No Display Issues - Acer Aspire 7560 Service Manual

No Display Issues

If the display fails, perform the following:
Replace LCD
pan el/cable
inverter/ B
Figure 4-2. No Display Issue
No POST or Video
If the POST or video does not appear, perform the following:
1. Make sure that internal display is selected. Switching between internal and external by
pressing Fn+F5. Reference Product pages for specific model procedures.
2. Make sure the computer has power by checking for one of the following:
 Fans start up
 Status LEDs illuminate
If no power, Refer to
3. Drain stored power by removing the power cable and battery. Hold the power button for 10
seconds.
4. Connect the power and reboot the computer.
5. Connect an external monitor to the computer and switch between the internal display and
the external display is by pressing Fn+F5 .
6. If the POST or video appears on the external display only, refer to
7. Disconnect power and all external devices including port replicators or docking stations.
Remove any memory cards and CD/DVD discs.
Troubleshooting
NG
LCD
pan el/cabl
e ok
OK
Replace M/B
Power On Issues.
0
Start
NG
Go to no power
Can
Trouble shooting
power on
OK
NG
RAM
module
Connect it well
well
connected
OK
NG
RAM
Replace RAM
module
OK
OK
NG
lcd cable
well
Connect it well
connected
OK
LCD
step
module
0
Failure.
4-5