No Display Issues - Acer Aspire E1-531 Service Manual

No Display Issues

If the system does not display, perform the following:
Replace LCD
panel/cable
No POST or Video
If the POST or video does not appear, perform the following:
Make sure that internal display is selected. Switching between internal and external by
1.
pressing Fn+F5. Reference Product pages for specific model procedures.
Make sure the computer has power by checking for one of the following:
2.
• Fans start up
• Status LEDs illuminate
If there is no power, refer to
3.
step.
If there is power, drain the stored power by removing the power cable and battery. Hold the
4.
power button for 10 seconds.
Connect the power and reboot the computer.
5.
Connect an external monitor to the computer and switch between the internal display and the
6.
external display is by pressing Fn+F5.
If the POST or video appears on the external display only, refer to
7.
page 4-6. Otherwise, continue to the next step.
Disconnect the power and all external devices including port replicators or docking stations.
8.
Remove any memory cards and CD/DVD discs.
9.
Start the computer. If the computer boots correctly, add the devices one by one until the failure
10.
point is discovered.
4-4
LCD
NG
panel/cable
ok
OK
Replace M/B
Figure 4:2. No Display Issues
Power On Issues
Start
NG
Can
Power on
OK
RAM
NG
module well
connected
OK
NG
RAM
module OK
OK
Lcd cable
NG
well
connected
OK
on page 4-3. Otherwise, continue to the next
LCD Picture Failure
Go to no power
Trouble shooting
step
Connect it well
Replace RAM
module
Connect it well
on
Troubleshooting