Uniwill 340S2 - Page 58

Chapter 5 Troubleshooting Guidelines
340S2 58 Rev : B
5.4 External monitor has no display or color abnormal
Symptom: The CRT monitor shows nothing or abnormal color, but it is ok for
LCD
Yes
No
Monitor No Display
Try another known good monitor
Replace faulty monitor
Correct it
Display Ok?
Setup Ok?
Replace motherboard
Board level Troubleshooting
Yes
No
Yes
No
Yes
Check VGA port signal
using oscilloscope
Replace SIS 630
Chipset
End