8050
8050
D N/B Maintenance
D N/B Maintenance
106
Replace monitor
or LCD.
Board-level
Troubleshooting
Yes
No
Monitor
or LCD module
OK?
Make sure that CPU module,
DIMM memory are installed
Properly.
Display
OK?
Yes
No
Correct it.
Using debug card,depending
on the error codes to make
sure which parts maybe faulty
Replace
Motherboard
1.Try another known good CPU
module, DIMM module and BIOS.
2.Remove all of I/O device (FDD,
HDD, CD-ROM…….) from
motherboard except LCD or monitor.
Display
OK?
1. Replace faulty part.
2. Connect the I/O device to the
M/B one at a time to find out
which part is causing the problem.
Yes
No
No Display
8.3 No Display
Using circuit diagram ,check
the faulty parts
There is no display on both LCD and VGA monitor after power on although the LCD and monitor is known-good.
MiTac Secret
Confidential Document