Toshiba Satellite L640 User Manual

Chapter 2 Troubleshooting Procedures
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)
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Procedure 2 Diagnostic Test Program Execution Check
erform
these tests.
1. System test
7. Ma
8. BIO
9. CD
10. Sys
11. Wi
12. LA
13. UUID test-DMI Information (Write DMI)
If an error is detected during these tests, go to Procedure 3.
Procedure 3 Replacement Check
System board may be faulty. Disassemble the computer following the steps described in
Chapter 4, Replacement Procedures and replace system board with a new one.
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
2. Memory test
3. Keyboard test
4. Display test
5. Hard Disk test
6. CPU Temperature test
in Battery test
S test
-ROM/DVD-ROM test
tem Status LED test
reless LAN test
N/Modem/Sound test

Toshiba Satellite L640 Specifications

General

Optical Drive	DVD SuperMulti Drive
Wireless	802.11b/g/n
Webcam	Integrated Webcam
Processor	Intel Core i3/i5
RAM	Up to 8GB DDR3
Storage	320GB HDD
Display	14-inch HD
Graphics	Intel HD Graphics
Operating System	Windows 7 Home Premium
LAN	10/100 Ethernet
Battery	6-cell Lithium Ion
Ports	HDMI, VGA, RJ-45, Microphone input, Headphone output