No Display Issues - Acer TravelMate P453-M Service Manual

No Display Issues

If the Display does not work, perform the following, one at a time. Do not replace a
non-defective FRU:
NG
Replace 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, one at a time.
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.
Troubleshooting
START
LCD Moduel
Power On?
OK?
Ext.DDRRAM
Module well
connected?
Ext DDRRAM
Module OK?
CPU Thermal
Replace MB Module well
screwed?
Power On Issues.
0
NG Power On Issue
NG Check Connection
Replace
NG Ext. DDRRAM
Module
NG Fasten Screw
0
4-5