No Display Issues - Acer Aspire E1-431 Service Manual

No Display Issues

If the Display does not work, perform the following:
Replace
No
LCD panel/
LCD cable
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
Fn+F5
by pressing
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
4-6
LCD module
OK?
Replace
M/B
. Reference product pages for specific model procedures.
Power On Issues
.
0
START
Power On? No
Ext. DDRRAM
No
module well
connected?
Ext. DDRRAM
No
module OK?
CPU thermal
No
module well
screw?
Go to Power
On Issue
Connect
it well
Replace
Ext. DDR RAM
module
Screw it well
0
Troubleshooting