Gigabyte GA-7S748 User Manual page 84

Is memory LED on and CPU fan running?
Turn off the system. Reboot after keyboard and mouse have
been plugged in.
Check if keyboard is working properly.
Press <Del> to enter BIOS setup. Choose "Load
Optimized Defaults" and save then exit setup.
Turn off the system and re-connect the IDE cable. Check if
the system can reboot successfully.
Reinstall Windows OS, and reinstall add-on cards and cables.
Then try to reboot the system.
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.
GA-7S748 Series Motherboard
A
Yes
Check if there is display.
Yes
Yes
Yes
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The problem could
be caused by
power supply,
CPU, memory or
No
CPU/memory
socket itself.
Failure has been excluded.
Perhaps your VGA
No
card / VGA slot or
monitor is defective.
Failure has been excluded.
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.