Lcd Failure - Acer Z5700 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.
If the computer boots correctly, add the devices one by one until the failure point is discovered.
4. Reseat the memory modules.
5. Remove the drives (see "Disassembly Process" on page 42).
6. If the Issue is still not resolved, see "Online Support Information" on page 192.
Chapter 4
START
Check LCD
NG
cable connected
OK
Check LCD
cable is good
OK
Check LCD
module is good
OK
Replace
Mainboard
Reconnect
OK
LCD cable
NG
Replace LCD
OK
cable
NG
Replace LCD
OK
module
NG
162
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