Lcd Failure - Acer ZX4830 Series Service Manual

LCD Failure

If the integrated LCD display fails, use the following flowchart to determine the required action:
No POST or Video
If the POST or video doesn't display, perform the following actions one at a time to correct the problem.
1. Make sure the computer has power by checking at least one of the following occurs:
Fans start up
•
Status LEDs light up
•
2. Drain any stored power by removing the power cable and battery and holding down the power button for
10 seconds. Reconnect the power and reboot the computer.
3. Disconnect power and all external devices including port replicators or docking stations. Remove any
memory cards and CD/DVD discs. Restart the computer.
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Laptopblue
LCD Failure
Is the LVDS cable
F Re-insert the cable
properly connected?
Fail
Test the LVDS Cable F
Fail
Is the inverter properly
F Re-insert the cable
connected?
Fail
Test the inverter cables F
Fail
Test the inverter F
Fail
Test the LCD Module F
Change Mainboard
OK Close
Replace the cable OK Close
OK Close
Replace the cable OK Close
Replace the
OK Close
inverter
Replace the LCD
OK Close
Module
Chapter 4