Gigabyte GA-990FXA-UD5 - 5-3 Troubleshooting

Appendix
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5-3 Troubleshooting
5-3-1 Frequently Asked Questions
To read more FAQs for your motherboard, please go to the Support & Downloads\FAQ page on GIGABYTE's
website.
Q: In the BIOS Setup program, why are some BIOS options missing?
A: Some advanced options are hidden in the BIOS Setup program. Press <Delete> to enter BIOS Setup during the POST. In
the Main Menu, press <Ctrl>+<F1> to show the advanced options.
Q: Why is the light of my keyboard/optical mouse still on after the computer shuts down?
A: Some motherboards provide a small amount of standby power after the computer shuts down and that's why the light is
still on.
Q: How do I clear the CMOS values?
A: FormotherboardsthathaveaCMOS_SWbutton,pressthisbuttontocleartheCMOSvalues(beforedoingthis,please
turnoffthe computer andunplug the powercord). For motherboardsthat have aclearing CMOS jumper, refertothe
instructions on the CLR_CMOS jumper in Chapter 1 to short the jumper to clear the CMOS values. If your board doesn't
have this jumper, refer to the instructions on the motherboard battery in Chapter 1. You can temporarily remove the bat-
tery from the battery holder to stop supplying power to the CMOS, which will clear the CMOS values after about one
minute.
Q: Why do I still get a weak sound even though I have turned my speaker to the maximum volume?
A: Makesureyourspeakerisequippedwithaninternalamplier.Ifnot,tryaspeakerwithpower/amplier.
Q: WhycannotIinstalltheonboardHDaudiodriversuccessfully?(ForWindowsXPonly)
A: Step1:First,makesureServicePack1orServicePack2hasbeeninstalled(checkinMyComputer>Properties>Gen-
eral>System).Ifnot,pleaseupdateitfromMicrosoft'swebsite.ThenmakesuretheMicrosoftUAABusDriverfor
HighDenitionAudiohasbeeninstalledsuccessfully(checkinMyComputer>Properties>Hardware>Device
Manager>SystemDevices).
Step 2: Check if AudioDeviceon High DenitionAudio Bus or Unknown device is present in Device Manager or
Sound, video, and game controllers.Ifyes,pleasedisablethisdevice.(Ifnot,skipthisstep.)
Step 3: Then go back to My Computer > Properties > Hardware > Device Manager > System devices and right-click on
MicrosoftUAABusDriverforHighDenitionAudio and select Disable and Uninstall.
Step 4: In Device Manager, right-click on the computer name and select Scan for hardware changes. When the Add
New Hardware Wizard appears, click Cancel. Then install the onboard HD audio driver from the motherboard
driver disk or download the audio driver from GIGABYTE's website to install.
For more details, go to the Support & Downloads\FAQ page on our website and search for "onboard HD audio driver."