Gigabyte GA-Z77X-UD5H Manual - Page 118

Support & Downloads\Technical Support, to submit your question. Our

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A When the computer is turned on, is the CPU cooler running? No The power supply, CPU or CPU socket might fail. Yes Check if there is display on your monitor. Yes Turn off the computer. Plug in the keyboard and mouse and restart the computer. The problem is verified and solved. No The graphics card, expansion slot, or monitor might fail. The problem is verified and solved. Check if the keyboard is working properly. No The keyboard or keyboard connector might fail. Yes Press to enter BIOS Setup. Select "Load Optimized Defaults." Select "Save & Exit Setup" to save changes and exit BIOS Setup. The problem is verified and solved. Turn off the computer and connect the hard drive(s). Check if the system can boot successfully. No The hard drive, connector, or cable might fail. Yes Reinstall the operating system. Reinstall other devices one by one (install one device at one time and then boot the system to see if the device works successfully). The problem is verified and solved. END If the procedure above is unable to solve your problem, contact the place of purchase or local dealer for help. Or go to the Support & Downloads\Technical Support page to submit your question. Our customer service staff will reply you as soon as possible. Appendix - 118 -

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Appendix
- 118 -
If the procedure above is unable to solve your problem, contact the place of purchase or local dealer
for help. Or go to the
Support & Downloads\Technical Support
page to submit your question. Our
customer service staff will reply you as soon as possible.
The power supply, CPU or
CPU socket might fail.
The keyboard or keyboard
connector might fail.
END
A
Turn off the computer. Plug in the keyboard and mouse and restart
the computer.
The graphics card,
expansion slot, or monitor
might fail.
The hard drive, connector,
or cable might fail.
No
The problem is verified and solved.
The problem is verified and solved.
The problem is verified and solved.
No
No
Yes
Yes
Yes
Reinstall the operating system. Reinstall other devices one by one
(install one device at one time and then boot the system to see if the
device works successfully).
Press <Delete> to enter BIOS Setup. Select "Load Optimized Defaults."
Select "Save & Exit Setup" to save changes and exit BIOS Setup.
Check if there is display on your monitor.
When the computer is turned on, is the CPU cooler running?
Check if the keyboard is working properly.
No
The problem is verified and solved.
Yes
Turn off the computer and connect the hard drive(s). Check if the system
can boot successfully.