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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 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.Connect the power and reboot the computer.
4. Connect an external monitor to the computer and switch between the internal display and
the external display is by pressing Fn+F5.
Troubleshooting
Cable OK?
Dauhter board
Replace MB
Power On
Issues.
0
START
Power On?
CPU thermal
module well
screw?
LCD module
OK?
OK?
NG
Power On Issue
NG
Fasten Screw
Replace
NG
LCD Panel/
LCD Cable
Replace
NG
Daughter Board
0
4-3
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Table of Contents
Troubleshooting
