Toshiba Satellite L640 User Manual

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 oard. Make sure the cable is firmly connected to system b
If the connection is loose, reconnect firmly and repeat Procedure 1. If the problem
still occurs, go to Check 2.
heck 2 Touch Pad or the cable may be faulty. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures. If the problem still occurs,
perform Check 3.
heck 3 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedures
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Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)
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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