Display Troubleshooting - Toshiba PORTEGE M780 Maintenance Manual
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Also See for PORTEGE M780:
- Maintenance manual (484 pages) ,
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2.9
Display Troubleshooting
This section describes how to determine if the computer's display is functioning properly.
Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Cable Check
Procedure 3: Replacement Check
Procedure 1
The Display Test program is stored on the computer's Diagnostics disk. This program checks
the display controller on the system board. Insert the Diagnostics disk in the computer's
floppy disk drive, turn on the computer and run the test. Refer to Chapter 3, Tests and
Diagnostics for details. If an error is detected, go to Procedure 2.
Procedure 2
Check 1
Make sure the LCD cable is securely connected to CN5601 on the system board.
If the connection is loose, reconnect firmly and restart the computer. If there is still an error,
go to Procedure 3.
PORTEGE M780 Maintenance Manual (960-809)
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Diagnostic Test Program Execution Check
Connector Check and Cable Check
Troubleshooting Procedures
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Troubleshooting
