MiTAC w130 Service Manual
66
9-6 LCD No Display or Picture Abnormal
Ye
VGA Controller Failure
1.
Confirm External monitor is good and check the
VGA cable is connected properly.
2. Make sure the docking module VGA port is good.
3.
Try another known good monitor or LCD module.
Replace faulty
LCD or monitor.
Display
ok?
Remove all I/O device & cable from motherboard
except LCD panel or extended mon
itor.
Display
Ok?
Connect the I/O device & cable
to the M/B one at a time to find
out which part is causing the
problem
Yes
No
Yes
No
Board-level
Troubleshooting
Replace
Motherboard
Check if
U533, J504 are cold
solder?
Y
es
Re-soldering
N
o
Check the following parts:
Signal:
Parts: