[December 2017] New and second/used TOSHIBA Satellite L640-I4012 in India. Compare prices and find the best price of TOSHIBA Satellite L640. I need to replace the CMOS battery in a Toshiba Satellite 2415-S205 & not sure the best way to go about it. Toshiba is on of the few companies that actually post good directions online how to dis assemble their Laptops. And is it possible to bypass a BIOS password or is there a viable backdoor?

Toshiba Satellite Tutorial: This is a specific issue regarding new Toshiba laptops.

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• Toshiba Personal Computer Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual TOSHIBA CORPORATION File Number 960-Q08 Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645Maintenance Manual (960-Q08) • © 2010 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of Toshiba. No patent liability is assumed with respect to the use of the information contained herein. • NOTE: “Note” contains general information that relates to your safe maintenance service.

Improper repair of the computer may result in safety hazards. Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly. • The manual is divided into the following parts: Chapter 1 Hardware Overview describes the Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 system unit and each FRU. Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems. Chapter 3 Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service. • Conventions This manual uses the following formats to describe, identify, and highlight terms and operating procedures. Acronyms On the first appearance and whenever necessary for clarification acronyms are enclosed in parentheses following their definition.

For example: Read Only Memory (ROM) Keys Keys are used in the text to describe many operations. • Table of Contents Chapter 1 Hardware Overview Features...1 System Block Diagram...6 2.5-inch Hard Disk Drive...10 Keyboard...13 TFT Color Display...14 Power Rails...16 Batteries...17 AC Adapter...20 ODD...21 Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645Maintenance Manual (960-Q08) • Chapter 2 Troubleshooting Procedures Troubleshooting...1 Troubleshooting Flowchart... 2 Power Supply Troubleshooting...6 Procedure 1 Power Status Check..6 Procedure 2 Connection Check..8 Procedure 3 Charging Check.. 8 Procedure 4 Replacement Check..10 System Board Troubleshooting...

11 Procedure 1 Message Check.. • Display Troubleshooting...23 Procedure 1 External Monitor Check..23 Procedure 2 Diagnostic Test Program Execution Check.23 Procedure 3 Connector and Cable Check..24 Procedure 4 Replacement Check..25 LAN Troubleshooting...26 Procedure 1 Diagnostic Test Program Execution Check.26 Procedure 2 Connector Check and Replacement Check.26 2.10 Wireless LAN Troubleshooting...27 Procedure 1. • Procedure 1 Sound Recorder Execution Check. 39 Procedure 2 Connect Check and Replacement Check.39 2.18 CRT Troubleshooting...40 Procedure 1 External Monitor Check..40 Procedure 2 Connector and Cable Check.40 2.19 USB Troubleshooting...41 Procedure 1 Diagnostic Test Program Execution Check.41 Procedure 2 Connect Check and Replacement Check.41 2.20.

• Chapter 3 Diagnostic Programs Tests and Diagnostics Software Overview..2 Executing the Diagnostic Test..3 Subtest names....7 System Test...10 Memory Test...17 Keyboard Test...21 Display Test...24 Hard Disk Test...39 Real Time Clock Test...42 3.10 Cache Memory Test...44 3.11 High Resolution Display Test...46 3.12. • Chapter 4 Replacement Procedures Overview...1 Safety Precautions...2 Before You Begin...3 Disassembly Procedure... 4 Assembly Procedure...5 Tools and Equipment...5 Screw Tightening Torque..6 Grip Color... 6 Screw Notation...7 Battery pack...8 HDD.... • Appendices Appendix A Handling the LCD Module..1 Appendix B Board Layout...1 Appendix C Pin Assignments...1 Appendix D Keyboard Scan/Character Codes..1 Appendix E Key Layout...1 Appendix F Wiring Diagrams...1 Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview Chapter 1 Hardware Overview Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview Hardware Overview Chapter 1 Contents Features... 1 System Block Diagram...6 2.5-inch Hard Disk Drive...

10 Keyboard...13 TFT Color Display... 14 Power Rails... 16 Batteries...17 AC Adapter... 20 ODD...21 Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview Figures Figure 1-1-1 Left of the computer...4 Figure 1-1-2 Right of the computer..5 Figure 1-2-1 System block diagram for Intel Platform..7 Figure 1-3-1 2.5-inch Hard Disk Drive..10 Figure 1-4-1 Keyboard for US Style...13 Figure 1-5-1 AUO LCD Function Block Diagram14 Figure 1-9-1 DVD super multi drive21 Tables. • Chapter 1 Hardware Overview Features 1.1 Features The Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 (Intel Platform) features are listed below. Microprocessor Microprocessor that is used will be different by the model. It supports processors as follows: - Intel ○ Core i7-620M - Intel ○.

• Chapter 1 Hardware Overview 64GB, 128GB, 256GB, 512GB. 2.5 inch x 9.5mm height. 12.7mm integrated ODD Support: DVD Super Multi (+-R Double Layer) & Blue Ray ODD. Display 14.1-inch, 1366x768(16:9), LED-backlight. External monitor Supported via RGB and HDMI connectors. Keyboard Keyboard module has 88-89 keys. • Chapter 1 Hardware Overview Modem Connectors for Modem is separately mounted Battery The RTC battery is equipped inside the computer.

The main battery is a detachable lithium ion battery. - 3 cell 10.8V/2250mAhr - 6 cell 10.8V/4400mAhr/4500mAhr/5600mAhr - 12cell 10.8V/9000mAhr USB (Universal Serial Bus) 2 standard USB ports and 1 integrated in E-SATA connector USB port are provided. • Chapter 1 Hardware Overview Bluetooth Some computers in this series offer Bluetooth wireless communication functionality with Broadcom 802.11(b/g/n) BCM94313-HMC w/ BT V3.0+HS Combo module. Support TD-SCDMA, W-CDMA Security Kensington Lock, Hard Disk Drive Password Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview Figure 1-1-1 left of the computer 1. Security Lock Hole 13. RJ11 Port 14.

RL45 Port 16. Web camera 5.

HDMI Port 17. Power Button 6.

• Chapter 1 Hardware Overview Figure 1-1-2 right of the computer 18. DC-IN Jack 20. ODD Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview 1.2 System Block Diagram Figure 1-2-1 shows the system block diagram. Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview Figure 1-1-1 System block diagram for Intel Platform Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview The PC contains the following components. - Intel ○ Core i7-620M - Intel ○ Core i5-430M/450M/520M/540M - Intel ○ Core i3-330M/ 350M/370M - Intel ○ Pentium P6000/ P6100 - Intel ○ Celeron P4500 Memory Two memory slots capable of accepting DDR3-SDRAM 512MB, 1GB, 2GB, 4GB memory modules for a maximum of 8GB. • Chapter 1 Hardware Overview VGA Card  AMD-ATI (Madison-LP, Park-XT, M92XTX)  Supports ATI HyperMemory*  Supports PCI-E Gen2 (version 2.0) Other main system chips • Clock Generator (Congo Platform: SLG8SP595VTR) EC (WO/CIR WPCE775CA0DG) HD Audio (CONEXANT CX20583-10Z) Card Reader controller (REALTEAK RTS5159) 10/100 LAN controller (Atheros AR8152M) 10/100/1000 LAN controller (Atheros AR8151M) Mini Card.

• A compact, high-capacity HDD is with a height of 9.5mm and contains a 2.5-inch magnetic disk and magnetic heads. Figure 1-3-1 shows a view of the 2.5-inch HDD and Tables 1-3-2 and 1-3-3 list the specifications.

Figure 1-3-1 2.5-inch HDD Standard value Parameter Toshiba Toshiba Toshiba Toshiba Toshiba MK1665GSX MK2565GSX. • (mm) Height dimensions 9.5+/-0.2 (mm) Depth (mm) 100.35 +/- 0.25 Weight (g) 93.5 93.5 98.8 98.8 Table 1-3-2 2.5-inch HDD dimensions Specification Parameter Toshiba Toshiba Toshiba Toshiba Toshiba MK1665GSX MK2565GSX MK3265GSX MK5065GSX MK6465GSX Storage size 160G 250G 320G 500G 640G. • Chapter 1 Hardware Overview Average random seek time(read)(ms) Power-on-to- ready (sec) Specification Parameter WD1600BEVT WD2500BEVT WD3200BEVT WD6400BEVT WD5000BEVT Storage size 160G 250G 320G 640G 500G (formatted) Speed (RPM) 5,400 Data transfer Rate - To/From Media 106/3GBytes - T0/From Host transfer rate 3Gbps (MB/s) • Chapter 1 Hardware Overview 1.4 Keyboard The Rostock 10G keyboard has two different kinds of placement, here is for US style for your reference. Figure 1-4-1 is a view of the keyboard for US style Figure 1-4-1 Keyboard for US style See Appendix E for details of the keyboard layout Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview 1.5 TFT Color Display The Satellite L645, Satellite Pro L645 use LED to control backlight. 1.5.1 LCD Function Block Figure 1-5-1 shows a view of the LCD Function Block and Table 1-5-2 lists the specifications.

Figure 1-5-1 AUO LCD Function Block Diagram Specifications(WXGA+) Item LG Display. • Chapter 1 Hardware Overview 1.5.2 LCD Module Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 1 Hardware Overview Power Rails Table 1-6-1 lists the power rail output specifications of Calpella platform. Power supply （Yes/No） Name Power OFF Power OFF No Main Battery(with RTC Voltage [V] Suspend mode Boot mode battery) +5VPCU +3VPCU +3V_S5 +3VSUS +1.5VSUS 0.75 +SMDDR_VTERM. • Chapter 1 Hardware Overview 1.7 Batteries The PC has the following two batteries. Main battery Real time clock (RTC) battery Table 1-7-1 lists the specifications for these two batteries.

Battery Output Battery Name Capacity Element Voltage 3 Cell Li-ion 10.8v 2250mAhr Main 6 Cell. • Chapter 1 Hardware Overview Sanyo 6cell 5600mAhr 4hr can charge to full Pana 6cell 5600mAhr Sanyo 12cell 9000mAhr 5hr can charge to full Table 1-7-2 Time required for charges of main battery Charge is stopped in the following cases. The main battery is fully charged 2. • Chapter 1 Hardware Overview 1.7.3 RTC Battery The RTC battery provides the power supply to maintain the date, time, and other system information in memory. Table 1-7-4 lists the Time required for charges of RTC battery and data retaining time. Condition Time Charging time. • Chapter 1 Hardware Overview 1.8 AC Adapter The AC adapter is used to charge the battery.

Table 1-8-1 lists the AC adapter specifications. Parameter Specification With Led DELTA/ LITE-ON DELTA/ LITE-ON Power Input voltage AC 100V/240V Input frequency 50Hz/60Hz Input current ≦1.5A Output voltage DC 19V. • Chapter 1 Hardware Overview 1.9 ODD 1.9.1 DVD Super Multi drive The DVD Super Multi drive accommodates either 12 cm (4.72-inch) or 8 cm (3.15-inch) CD/DVD-ROM, CD-R/RW, DVD±R/±RW and DVD-RAM. It is a high-performance drive that reads DVD-ROM at maximum 8-speed and CD at maximum 24-speed. Write speed of DVD±R/±RW and DVD-RAM is different depending on the drive.

• Chapter 1 Hardware Overview Drive Specification Parameter TS-L633C TS-L633Y CD-ROM Max. 24X (3,600 KB/sec) CD-ROM Max.

24X (3,600 KB/sec) CD-R Max. 24X (3,600 KB/sec) CD-R Max. 24X (3,600 KB/sec) CD-RW Max. 24X (3,600 KB/sec) CD-RW Max.

24X (3,600 KB/sec) Read DVD-ROM 5 Max 8X (10,800 KB/sec) DVD-ROM 5 Max 8X (10,800 KB/sec) (KB/s) • Chapter 1 Hardware Overview DVD±R Dual (Read & Write) DVD±R Dual (Read & Write) DVD-RAM (Read & Write) DVD-RAM (Read & Write) 80mm DVD 80mm DVD Drive Specification Panasonic Panasonic Parameter UJ890ADTJR-A UJ890EDTJR-A DVD-ROM:Max 8X CAV DVD-ROM:Max 8X CAV Read (KB/s) CD-ROM:Max 24X CAV. • Chapter 1 Hardware Overview 1.9.2 Blue Ray ODD The dimensions and specifications of the DVD Super Multi drive are described in Table 1-9- 4, Table 1-9-5 Parameter Standard Value Panasonic Panasonic Maker UJ240EBTJR-A UJ141EBTJR-A Width (mm) Outline Height dimension 12.7 12.7 (mm) Depth. • Chapter 1 Hardware Overview DVD+R:Max.8X CAV DVD+R:Max.8X CAV DVD+R DL:Max.4X Zone CLV DVD+R DL:Max.4X Zone CLV DVD+RW:Max.8X Zone CLV DVD+RW:Max.8X Zone CLV DVD-RAM:3X-5X PCAV ( 4.7GB) DVD-RAM:3X-5X PCAV ( 4.7GB) BD-R:6X CAV ( SL), 4XPCAV (DL) BD-RE:2X CLV ( SL), 2XCLV (DL) 150 Mbyte/s 150 Mbyte/s. • Chapter 2 Troubleshooting Procedures Chapter 2 Troubleshooting Procedures Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 2 Troubleshooting Procedures Chapter 2 Contents Chapter 2 Contents Troubleshooting...1 Troubleshooting Flowchart... 2 Power Supply Troubleshooting...6 Procedure 1 Power Status Check..6 Procedure 2 Connection Check..8 Procedure 3 Charging Check.. 8 Procedure 4 Replacement Check.. • Chapter 2 Troubleshooting Procedures Display Troubleshooting...

23 Procedure 1 External Monitor Check..23 Procedure 2 Diagnostic Test Program Execution Check.23 Procedure 3 Connector and Cable Check.. 24 Procedure 4 Replacement Check..25 LAN Troubleshooting...26 Procedure 1 Diagnostic Test Program Execution Check. • Chapter 2 Troubleshooting Procedures 2.17 Microphone Troubleshooting...39 Procedure 1 Sound Recorder Execution Check. 39 Procedure 2 Connect Check and Replacement Check.39 2.18 CRT Troubleshooting...40 Procedure 1 External Monitor Check..40 Procedure 2 Connector and Cable Check.40 2.19 USB Troubleshooting...

• The implement for the Diagnostics procedures is referred to Chapter 3. Also, following implements are necessary: 1.

Phillips screwdrivers (For replacement procedures) 2. Implements for debugging port check  Toshiba Free-DOS system FD Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Before going through the flowchart steps, verify the following:  Ask him or her to enter the password if a password is registered.  Verify with the customer that Toshiba Windows is installed on the hard disk.

Non- Windows operating systems can cause the computer to malfunction. • Chapter 2 Troubleshooting Procedures Figure 2-2-1 Troubleshooting flowchart (1/2) Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 2 Troubleshooting Procedures Figure 2-2-1 Troubleshooting flowchart (2/2) If the diagnostics program cannot detect an error, the problem may be intermittent. The Test program should be executed several times to isolate the problem. Check the Log Utilities function to confirm which diagnostic test detected an error(s), and then perform the appropriate troubleshooting procedures as follows: 1.

• Chapter 2 Troubleshooting Procedures 4. If an error is found on the touch pad test, perform the Touch pad Troubleshooting Procedures in Section 2.7. If an error is detected on the display test, perform the Display Troubleshooting Procedures in Section 2.8. • Chapter 2 Troubleshooting Procedures Power Supply Troubleshooting The power supply controller controls many functions and components. To determine if the power supply is functioning properly, start with Procedure 1 and continue with the other Procedures as instructed. The procedures described in this section are: Procedure 1: Power Status Check Procedure 2: Connection Check Procedure 3: Charging. • Chapter 2 Troubleshooting Procedures DC IN icon Power supply status Lights blue DC power is being supplied from the AC adapter.

Blinks orange Power supply malfunction Doesn’t light Any condition other than those above. Table 2-3-2 DC IN icon *1 When the power supply controller detects a malfunction, the DC IN icon blinks orange and per form the follo ing procedure. • Chapter 2 Troubleshooting Procedures Proc edure 2 Connection Ch The wiring diagram related to the po wer supply is shown below: Any of the connectors may be disconnected. Perform Check 1. Eck 1 Make sure the AC adapter and the AC power cord is fi rmly plugged into the DC IN connector PCN1 (System Board) and wall outlet. • Chapter 2 Troubleshooting Procedures Check 4 The battery’s temperature is too high or low. Leave the battery for a while to adjust it in the right temperature.

If the battery pack is still not charged, go to Check 5. Check 5 Replace the battery pack with a new one. • Chapter 2 Troubleshooting Procedures Procedure 4 Replacement Check The power is supplied to the system board by the AC adapter. If either the AC adapter or the system board was damaged, perform the following Checks. To disasse mble the computer, f ollow the steps described in Chapter 4, Replacement Procedures.

• Chapter 2 Troubleshooting Procedures System Board Troublesho oting This section describes how to determine if the system board is malfunctioning or not. Start with Procedure 1 and continue with the other procedures as instructed. The procedures described in this section are: Procedure 1: Message Check Procedure 2: Diagno stic Test Program Execution Check. • Chapter 2 Troubleshooting Procedures Procedure 1 Message Check When the power is turned on, the system performs the Power on Self Test (POST) installed in the BIOS ROM. The POST tests each IC on the system board and initializes it. • Chapter 2 Troubleshooting Procedures Procedure 2 Diagnostic Test Program Execution Check Execute the following tests from the Diagnostic Test Menu. These tests check the system board.

Refer to Chapter 3, Tests and Diagnostic, for more information on how to p erform these tests. • For the backup, refer to the User’s Manual. Procedure 1 Partition Check Insert the Toshiba Free-DOS system disk and sta rt the computer. Perform the following checks: Input C: and press Enter. If you cannot change to drive C, go to Ch Check 1 eck 2. • Chapter 2 Troubleshooting Procedures Procedure 2 Message Check When the power is turned on, the system performs the Initial Reliability Test (IRT) installed in the BIOS ROM.

When the test detects an error, an error message is displayed on the scree Make sure no floppy disk is in the FDD. • Chapter 2 Troubleshooting Procedures Procedure 3 Format Check The computer’s HDD/SSD is formatted using the Free-DOS FORMAT program or the physical format program of the test program. To format the HDD/SSD, start with Check 1 below and perform the other steps as required.

Refer to the Free-DOS Manual for the operation of Free-DOS. • Chapter 2 Troubleshooting Procedures Procedure 4 Diagnostic Test Program Execution Check The HDD/SSD test program is stored in the Diagnostics Disk. Perform all of the HDD/S tests in the Hard Disk Drive Test. Refer to Chapter 3, Tests and Diagnostics, for more information about the HDD/SSD test program. • Chapter 2 Troubleshooting Procedures Procedure 5 Connector Check and Replacement Check HDD/SSD(s) is/are connected to the connector(s) on the system board.

The connection HDD/SSD(s) and board may be defective. Other wise, they may be faulty. Disassemble the computer following instructions in Chapter 4, Replacement Procedures and perform the following checks.

• Chapter 2 Troubleshooting Procedures 2.6 Keyboard Troubleshooting To check if the computer’s keyboard is malfunctioning or not, follow the troubleshooting procedures below as instructed. Procedu re 1: Diagnostic Test Program Execution Check Procedure 2: Connector and Replacement Check Procedure 1 Diagnostic Test Program Execution Check Execute the Keyboard Test (DIAGNOSTIC TEST) and Pressed key display test in the Diagnostic Program. • Chapter 2 Troubleshooting Procedures Procedure 2 Connector and Replacement Check The connection of cable and board may be defective. Otherwise, they may be faulty. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks: Check 1 Make sure keyboard cable is firmly connected to sy stem board.

• Chapter 2 Troubleshooting Procedures 2.7 Touch pad Troubleshooting To check if the computer’s touch pad is malfunctioning or not, follow the troubleshoo ting procedures below as instructed. Procedure 1: Diagnostic Test Program Execution Check Procedure 2: Connector and Replacement Check Procedure 1 Diagnostic Test Program Execution Check Execute the Touch pad test in the Diagnostic. • Chapter 2 Troubleshooting Procedures Procedure 2 Connector and Replacement Check The connection of cable and board may be defective. Otherwise, they may be faulty.

Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks: Check 1 Make sure the cable is firmly connected to system b oard. • Chapter 2 Troubleshooting Procedures 2.8 Display Troubleshooting o check if the computer’s display is malfunctioning or not, follow the troubleshooting rocedures below as instructed. Procedure 1: External Monitor Check rocedure 2: Diagnostic Test Program Execution Check Procedure 3: Connector and Cable Check Procedure 4: Replacement Check Procedure 1 External Monitor Check. • Chapter 2 Troubleshooting Procedures Procedure 3 Connector and Cable Check LCD Module is connected to system board by an LCD.

Their cables may be disconnecte from system board. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures. If the conn ection is loose, reconnect firmly and restart the computer. • Chapter 2 Troubleshooting Procedures Procedure 4 Replacement Check LCD module, LCD cable are connected to display circuits. Any of these components may b faulty. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassemble the computer and then perf orm the following checks: If characters or graphics on the internal display are not displayed clearly, perf Check 1. • Chapter 2 Troubleshooting Procedures 2.9 LAN Troubleshooting To check if the computer’s LAN is malfunctioning or not, follow the troubleshooting procedures below as instructed.

Procedure 1: Diagnostic Test Program Execution Check Procedure 2: Connector Check and Replacement Check Procedur Diagnostic Test Program Execution Check Execute LA N test in the LAN test program. • Chapter 2 Troubleshooting Procedures 2.10 Wireless LAN Troubleshooting To check if the computer's Wireless LAN is malfunctioning or not, follow the troubles hooting procedures below as instructed. Procedure 1: Transmitting-Receiving Check Procedure 2: Antennas' Connection Check Procedure 3: Replacement Check Procedure 1 Transmitting-Receiving Check Before starting the test, make sure the wireless commun. • Chapter 2 Troubleshooting Procedures Procedure 2 Antennas' Connection Check The wireless LAN function-wiring diagram is shown below: MINI-PCI WLAN CARD WLAN ATTENNA (BLAC CN16 WLAN ATTENNA MAIN System Board (WHITE) Any of the connections may be defective. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks: Check 1 Make sure the wireless communication switch is “On”.

• Chapter 2 Troubleshooting Procedures Procedure 3 Replacement Check Wireless LAN card, wireless LAN antenna or system board may be faulty. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassemble the computer and then perform the following checks: Check 1 Wireless LAN antenna may be faulty. • Chapter 2 Troubleshooting Procedures 2.11 Sound Troubleshooting To check if the sound function is malfunctioning or not, follow the troubleshooting proce dures below as instructed. Procedure 1: Connector Check Procedure 2: Replacement Check Procedure 1 Connector Check The conne ction of sound system is shown in the following figure. As the connection may be defective, disassemble the PC and check each connection. • Chapter 2 Troubleshooting Procedures Procedure 2 Replacement Check  If External microphone/Headphone does not work properly, perform check 1.  If internal microphone /Speaker do not work properly, perform check 2.

 If HP o ut does not work properly, perform c heck 3. • Chapter 2 Troubleshooting Procedures 2.12 Bluetooth Troubleshooting To check if the computer’s Bluetooth is malfunctioning or not, follow the troubles hooting procedure below as instructed.

Procedure 1: Connector Check and Replacement Check Procedure 1 Connector Check and Replacement Ch he Bluetooth module is connected to system board. If Bluetooth malfunctions, its connection is defective or Bluetooth cable and system board may be faulty. • Chapter 2 Troubleshooting Procedures 2.13 HDMI Troubleshooting To check if the computer’s HDMI is malfunctioning or not, follow the troubleshooting procedures below as instructed. Procedure 1: External HDMI Monitor Check Procedure 2: Connector and Cable Check Procedure 3: Replacement Check Procedure 1 Connector Check and Replacement Check The HDMI port is connected to system board. • Chapter 2 Troubleshooting Procedures Procedure 3 Connector and Cable Check HDMI monitor connected to System board by an HDMI cable. If the connection is loose, reconnect firmly and restart the computer. If the problem still occurs, go to Procedure 4.

Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Chapter 2 Troubleshooting Procedures Procedure 4 Replacement Check HDMI signals are connected to display circuits via HDMI cable and HDMI&USB board. Any of these components may be faulty. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassemble the computer and then perform the following checks: If characters or graphics on the internal display are not displayed clearly, perform Check 1.

• Chapter 2 Troubleshooting Procedures 2.14 Memory Troubleshooting Memory troubleshooting can following below procedures as instructed. Procedure 1: Diagnostic Test Program Execution Check Procedure 2: Connect Check and Replacement Check Procedure 1 Diagnostic Test Program Execu tion Check Execute Me mory test in the Memory test program. Refer to Chapter 3, Tests and Diagnostics for more information on how to perform the test program. • Chapter 2 Troubleshooting Procedures 2.15 3G Troubleshooting To check if the computer’s 3G is malfunctioning or not, follow the troubleshooting procedure below as instructed.

Procedur Connector Check and Replacement Check The 3G module is connected to system board. If 3G malfunctions, its c onnection is defective or Antenna and system board may be faulty.

• Chapter 2 Troubleshooting Procedures 2.16 Camera Troubleshooting To check if the computer’s Camera is malfunctioning or not, follow the troubleshooting procedure below as in structed. Procedure 1: Camera Execution Check Procedure 2: Connect Check and Replacement Check Procedure 1 Camera Execution Che Open photo/video tool to look if there is an image.

• Chapter 2 Troubleshooting Procedures 2.17 Microphone Troubleshooting Microphone troubleshooting can following below procedures as instructed. Procedure 1: Sound Recorder Execution Check Procedure 2: Connect Check and Replac ement Check Procedure 1 Sound Recorder Execution Check Open accessory to find sound recorder tool, try to record a length of sound, and then replay it to see if microphone is working normal. • Chapter 2 Troubleshooting Procedures 2.18 CRT Troubleshooting To check if the computer’s CRT is malfunctioning or not, follow the troubleshooting procedures below as instructed. Procedure 1: External Monitor Check Procedure 2: Connector and Cable Check Procedure 3: Replacement Check Procedure 1 External Monitor Check Connect an external monitor to the computer’s external CRT port, and then to see if you can transfer video im ge to external monitor. • Chapter 2 Troubleshooting Procedures 2.19 USB Board Troubleshooting Flatiron carries 3 USB port. To check if the computer’s USB port is malfunctioning or not, follow the troubleshooting proce dures below as instructed. Procedure 1: Diagnostic Test Program Execution Check Procedure 2: Connect Check and Replacem ent Check Procedure 1.

• Chapter 2 Troubleshooting Procedures 2.20 LED Troubleshooting These are 6 LED lights at Top assy. From left to right, the Open statuses of them represent functions as below. Battery 4.HDD/SSD 5. Card Re ader 6.W-Lan To check if the computer’s LED is malfunctioning or not, follow the tr oubleshooting procedures below as instructed. • Chapter 2 Troubleshooting Procedures 2.21 Optical Disk Drive Troubleshooting To check if optical disk drive is malfunctioning or not, follow the troubleshooting procedure below as instructed. Procedure 1: Diagnostic Test Program Executio n Check Procedure 2: onnector Check and Replacement Check Procedure 1 Diagnostic T est Program Execution Check. • Chapter 2 Troubleshooting Procedures 2.22 Modem Troubleshooting To check if modem is malfunctioning or not, follow the troubleshooting procedures below as instructed.

Procedure 1: Diagnostic Test Program Execution Check Procedure 2: Connector Check and Replacement Check Procedure 1 Diagnostic Test Program Execution Check Execute Modem st in the LAN/Modem/Bluetooth/IEEE1394 test pro gram. • Chapter 2 Troubleshooting Procedures Check 2 Modem cable may be faulty.

R eplace it with a new one. If the problem still occurs, perform Check 3. Check 3 MDC may be faulty. Replace it with a new one following the steps in Chapter 4. If the problem still occurs, perform Check 4.

• Chapter 2 Troubleshooting Procedures 2.23 3 in 1 Card Reader Troubleshooting To check if the computer’s 3 in 1 Card Reader is malfunctioning or not, follows the troubleshoo ting procedures below as instructed. Procedure 1: Media Card Check Procedure 2: Connector Check and Replacement Check Procedure 1 Media Card Check The media. • Test Program for Field.

Chapter 3 Diagnostic Programs Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08) • Test Program for Field. Chapter 3 Contents Tests and Diagnostics Software Overview..3-3 Executing the Diagnostic Test..3-4 Subtest names...3-8 System Test...3-11 Memory Test...3-13 Keyboard Test... 3-17 Display Test...3-19 Floppy Disk Test... • Test Program for Field.

Tests and Diagnostics Software Overview This chapter explains how to use the Tests and Diagnostics Software for the Satellite L640 computer systems. NOTES: Before starting the Tests and Diagnostics software: 1. Check all cables for loose connections.

You test disk is match this model, ex. Disk is 14” but machine is 13”. The M/B EEPROM project type is math your test disk, if not, please use WDMI3.EXE to modify with right LCD size.

The following screen displays: TOSHIBA Satellite L640 Diagnostics::Select item Version v1.00:Escape [ DIAGNOSTICS MENU ] 01.DIAGNOSTIC TEST. • Test Program for Field. The following menu displays: TOSHIBA Satellite L640 Diagnostics::Select item Version v1.00:Escape [ DIAGNOSTICS MENU ] 01.

DIAGNOSTIC TEST 02. RUNNING TEST 03.

DMI INFORMATION [ DIAGNOSTIC TEST MENU ] 04. LOG UTILITIES 05. SYSTEM CONFIGURATION 01. • Test Program for Field. Select the subtest you want to execute and press Enter.

The following menu displays: TOSHIBA Satellite L640 Diagnostics::Select item Version v1.00:Escape [ DIAGNOSTICS MENU ] [ SYSTEM TEST ] 01. DIAGNOSTIC TEST 02. • Test Program for Field. NOTES: The Item2 and 3 of Test Parameter are not used by some tests.

Go To Test Move the highlight bar to Go To Test and press Enter to start executing the test. Test Loop Select NO to return the screen to the subtest menu after the test is complete. Select YES to set the test to run continuously until it is halted by the user. • Test Program for Field.

Subtest names Table 3-1 lists the subtest names for each test program in the Diagnostic Test menu. Table 3-1 Subtest Names(1/3) Test Name Subtest Name SYSTEM TEST FAN ON/OFF check Battery TEST CPU Temperature MEMORY TEST Conventional Memory Protected Mode Protected Mode (32MB-MAX) • Test Program for Field. Table 3-1 Subtest Names(2/3) Test Name Subtest Name FLOPPY DISK TEST Sequential Read Sequential W/R/C Random Address/Data Write Specified Address Read Specified Address HARD DISK TEST Sequential Read Address Uniqueness Random Address Data Cross Talk and Peek Shift Write Specified Address Read Specified Address Sequential Write. • Test Program for Field.

Table 3-1 Subtest Names(3/3) Test Name Subtest Name MULTIMEDIA TEST Sequential Read Test Random Read Test Read Specified Address Test 1 point W/R/C Test MEMORY2 All one/zero Test Walking 1/Walking 0 Test(Left) Walking 1/Walking 0 Test(Right) Walking 1/Walking 0 Test(Left /Right) *This test cannot support. • Test Program for Field. System Test To execute the System Test select 01 from the Diagnostic Test Menu, press Enter and follow the directions on the screen. The System Test contains three subtests. Move the highlight bar to the subtest you want to execute and press Enter.

Subtest 01 FAN ON/OFF Checking Select 1,2,3 to control FAN on/off, 1=Fan on, 2=Fan off, 3=Exit. • Test Program for Field. Subtest 03 CPU Temperature This will display CPU Temperature for check, press [ESC] to exit. Kode Registrasi Winzip Download. [CPU_TEMP.EXE] Program Version: 1.3 CPU Temperature: XX GPU Temperature: XX NOTES: If no external Graphics, GPU not report temperature.

When read data is 255 mean no external Graphics. • Test Program for Field.

Memory Test To execute the Memory Test select 02 from the Diagnostic Test Menu, press Enter and follow the directions on the screen. The Memory Test contains five subtests that test the computer’s memory.

Move the highlight bar to the subtest you want to execute and press Enter. • Test Program for Field.

Address pattern test “16 bit write and 16 bit read” of address pattern data is executed and the new data is compared with the original data. Test data = 0000H, 0004H, 0008H, 000CH.8000H, 8004H, through FFECH Subtest 02 Protected Mode. • Test Program for Field. With the original data patterns.

Addresses are displayed in 64KB increments during the test. Test Process: 1. Byte Enable Test One bit write/ 8 bit read” is executed and the new data is compared with the original data. Test data = CCAA5533H, 80000000H 2.

• Test Program for Field. Test Process: 1. Checks the memory size to determine the maximum size of installed memory. Tests memory addresses 0 to the maximum installed. Writes, reads, and compares test data after a memory refresh cycle (16ms or more). • Test Program for Field. Keyboard Test To execute the Keyboard Test select 03 from the Diagnostic Test Menu, press Enter and follow the directions on the screen.

The Keyboard Test contains four subtests that test the computer’s keyboard and mouse actions. Move the highlight bar to the subtest you want to execute and press Enter.

• Test Program for Field. Subtest 04 PS/2 Mouse (Pointing) This subtest checks the function of mouse as shown below. A) Pointing device (mouse) B) Mouse buttons Please move cursor to upper left and press left button, screen will display. • Test Program for Field. Display Test To execute the Display Test select 04 from the Diagnostic Test Menu, press Enter and follow the directions displayed on the screen. The Display Test contains twelve subtests that test the display in various modes.

Move the highlight bar to the subtest you want to execute and press Enter. • Test Program for Field. Press Enter if NO was selected for Test Loop on the Test Parameter Menu.

Press Ctrl + break if YES was selected for Test Loop on the Test Parameter Menu. Subtest 02 Character Set This subtest displays the character codes 00H - FFH, using Mode 01H (40*25). • Test Program for Field. Subtest 03 80 * 25 Character Display This subtest uses 80*25 video resolution to display character codes 20H - 7EH using Mode 03H (80*25). The data displayed is shifted 1 byte to the left for each line as shown below. 80*25 CHARACTER DISPLAY!”#$%&’()*=.-/:;?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[ ]^_’abcdefghIjklmno.

• Test Program for Field. Subtest 04 320 * 200 Character Display This subtest uses 320*200 video resolution to display green, red and yellow followed by cyan, magenta, and white. The screen below shows the displays when this subtest is executed. 320 * 200 GRAPHICS DISPLAY COLOR SET 0: [ 4 ] GREEN.

• Test Program for Field. 320*200 GRAPHICS DISPLAY [ D ] BLACK GRAY BLUE BLUE GREEN GREEN CYAN CYAN MAGENTA MAGENTA BROWN YELLOW WHITE WHITE Press [Enter] KEY Press ENTER to display 64 gradations of red, green, blue and white on the screen 320*200 GRAPHICS DISPLAY [ 13 ]. • Test Program for Field. Subtest 05 640 * 200 Character Display This subtest uses 640*200 video resolution to display three windows, each window drives a different set of dots: even dots, odd dots and all dots. The screen below displays when this subtest is executed. 640 * 200 GRAPHICS DISPLAY: [ 6 ] EVEN.

• Test Program for Field. Subtest 06 640 * 480 Character Display This subtest uses 640*350 video resolution to display 16 colors: black, blue, green, cyan, red, magenta, brown, white, dark gray, light blue, light green, light cyan, light red, light magenta, yellow, and intensified white.

The screen below displays when this subtest is executed. • Test Program for Field. 640*480 GRAPHICS DISPLAY [12 ] BLACK DARK GRAY BLUE LIGHT BLUE GREEN LIGHT GREEN CYAN LIGHT CYAN LIGHT MAGENTA LIGHT MAGENTA BROWN YELLOW WHITE INTENSIFIED WHITE Press [Enter] KEY To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. • Test Program for Field. Subtest 07 Display Page This subtest displays video pages zero through seven.

DISPLAY PAGE 0 000 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 0..0 000 To exit this subtest and return to the Display Test menu: Press Enter if NO was selected for Test Loop on the Test Parameter Menu. • Test Program for Field. Subtest 08 'H' Pattern Display This subtest displays a full screen of 'H' patterns.