80898089P N/B MainteP N/B Maintenancenance
8.2 No Display
There is no display on both LCD and VGA monitor after power on although the LCD and monitor is known-good.
No Display
Monitor
No
Replace monitor
or LCD module
or LCD.
OK?
Board-level
Yes
Troubleshooting
Make sure that CPU module,
DIMM memory are installed
Refer to port 378H
Properly.
System
Yeserror code description
BIOS writes
section to find out
error code to port
Yeswhich part is causing
Display378H?
Correct it.
the problem.
OK?
NoNo
Replace
Motherboard
1.Try another known good CPU module,
DIMM module and BIOS.
2.Remove all of I/O device ( HDD,
Check system clock,
CD-ROM??.) from motherboard
reset circuit and
except LCD or monitor.
reference power
1. Replace faulty part.
Yes
Display2. Connect the I/O device to the M/B
OK?one at a time to find out which part
To be continued
is causing the problem.
Clock,reset and power checking
No
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