User Manual

Table Of Contents
Troubleshooting 4-5
No Display Issues 0
If the Display does not work, perform the following, one at a time. Do not replace a
non-defective FRU:
Figure 4-2. No Display Issue
No POST or Video 0
If the POST or video does not appear, perform the following one at a time.
1. Make sure that internal display is selected. Switch between the internal and external
display by pressing Fn+F5.
NOTE:
NOTE:
This hotkey may not apply to all models. Refer to the computers user manual for the
applicable hotkey sequence.
Power on issues
Check
connection
Power On
Is ext. DDR RAM
module well
connected?
Is ext. DDR RAM
module OK?
Is the CPU heat sink
& fan module fastened
properly?
Replace
ext. DDR RAM
module
No
Reconnect fan cable/
Fasten CPU heat sink
screws
Replace
Mainboard
Is the LCD
module OK?
Replace LCD module/
Replace LCD cable
OK
No
OK
No
OK
No
OK
No
No
OK
No
Start