Filter
Top Products
2 Troubleshooting Procedures 2.9 Display Troubleshooting
Procedure 4 Replacement Check
The FL lamp, FL inverter, LCD module, system board and LCD/FL cable are connected to
display circuits. Any of these components may be damaged. Refer to Chapter 4, Replacement
Procedures, for instructions on how to disassemble the computer and then perform the
following checks:
If the FL lamp does not light, perform Check 1.
If characters or graphics on the internal display are not displayed clearly, perform
Check 4.
If some screen functions do not work properly, perform Check 4.
If the FL lamp remains lit when the display is closed, perform Check 5.
Check 1 Replace the FL lamp 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 The LCD/FL cable may be defective or damaged. Replace the FL/LCD cable with
a new one following the instructions in Chapter 4, Replacement Procedure and test
the display again. If the problem still exists, perform Check 3.
Check 3 The FL inverter may be defective or damaged. Replace the FL inverter board with
a new one following the instructions in Chapter 4, Replacement Procedure and test
the display again. If the problem still exists, perform Check 4.
Check 4 The LCD module may be defective or damaged. Replace the LCD module with a
new one following the instructions in Chapter 4, Replacement Procedure and test
the display again. If the problem still exists, perform Check 5.
Check 5 The system board may be defective or damaged. Replace it with a new one
following the instructions in Chapter 4, Replacement Procedure.
QOSMIO F10 Maintenance Manual (960-498) 2-49