English
A
Is memory LED on and CPU fan running?
Yes
Check if there is display.
Yes
The problem could be caused by power supply, CPU, memory or
No CPU/memory 
socket itself.
Failure has been excluded.
No | Perhaps your VGA |
| card / VGA slot or |
| monitor is defective. |
Failure has been excluded.
Turn off the system. Reboot after keyboard and mouse have been plugged in.
Check if keyboard is working properly.
Yes
Press <Del> to enter BIOS setup. Choose "Load Optimized Defaults" and save then exit setup.
Turn off the system and
Yes
Reinstall Windows OS, and reinstall
END
It is possible that
No your keyboard or 
keyboard connector is defective.
Failure has been excluded.
No | The problem was |
| probably caused by |
| the IDE device / |
| connector or cable. |
Failure has been excluded.
If the above procedure unable to solve your problem, please contact with your local retailer or national distributor for help. Or, you could submit your question to the service mail via Gigabyte website technical support zone (http://www.gigabyte.com.tw). The appropriate response will be provided ASAP.
- 90 - |