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Procedure 3
Replacement Check
The LCD module and system board are connected to display circuits. Any of these
components may be damaged. Refer to Chapter 4, Replacement Procedures.
Check 1
Replace the LCD cable with a new one following the instructions in Chapter 4,
Replacement Procedures and test the display again. If the problem still exists,
perform Check 2.
Check 2
Replace the LCD module with a new one following the instructions in Chapter 4,
Replacement Procedures and test the display again. If the problem still exists,
perform Check 3
Check 3
The display controller on the system board may be damaged. Replace the system
board with a new one following the instructions in Chapter 4, Replacement
Procedures.
PORTEGE R300 Maintenance Manual (960-591)
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2 Troubleshooting Procedures
[CONFIDENTIAL]
2-49
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Table of Contents
Troubleshooting
