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Common for onboard audio to fail?

post #1 of 4
Thread Starter 
I have a computer with ASRock Fatal1ty z87 Killer and I had just the video boards out when I was installing some Intel CPU fans over my GEILD VRM coolers for my 290x video boards. I'm not sure if that is exactly when the audio failed but if not it was shortly after. Warning: Spoiler! (Click to show)

I typically use the optical toslink which no longer is illuminated like it is on my other build with identical motherboard. The green audio jack now just produces some clicks and pops. The BIOS also used to make sound effects and now it just makes little clicks and pops ad well. That makes me believe that its not a windows driver issue, but I did re-install the Realtek audio drivers.

I was reading something I found using Google about -12v from the PSU as a potential problem. The BIOS has other voltages listed but not -12v. Same goes for HWMonitor64. Warning: Spoiler! (Click to show)


I have all sorts of old PC sound cards, but this motherboard has no PCI slots. I have disabled the onboard audio and added a firewire 400/800 card and I'm now using an external m-audio firewire sound card.

Any ideas? Thanks!
post #2 of 4
Considering the audio has failed in the BIOS, that suggests that the hardware itself has failed. One option to verify is to get a lightweight USB Linux distro and play with it to see if you can hear audio.

You could try clearing the CMOS (unplug and pull the battery for at least 20 minutes) to try to reset, but it sounds like a hardware issue. Sometimes resetting works, but I don't think it will in this situation.

It is possible that your PSU killed the onboard audio. In that case, I'd get the PSU checked (use a multimeter or one of those tools to check the different rails). You might have to RMA that PSU. Be careful - if it is a bad PSU, it can kill other components too.

By any chance are you under warranty still? You might be able to RMA the board for a working one. Otherwise, I'd recommend getting a cheap low end discrete sound card.
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Trooper Typhoon
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Windows 7 Pro x64 Korean 27" 2560x1440 Ducky Legend with Vortex PBT Doubleshot Backlit... EVGA 1300W G2 
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by CrazyElf View Post


By any chance are you under warranty still? You might be able to RMA the board for a working one. Otherwise, I'd recommend getting a cheap low end discrete sound card.

the PSU is Rosewill CAPSTONE-750 and its been well used for 6 months. The BIOS says the voltages are correct, I do have a meter, but I don't know how to test the -12x, The only thing I know how to do is test the +5 and +12 on the molex connector...

The board is under warranty so I do have that option. I did notice that I cold get another cheap MB for the price of a Creative Sand Blaster.

I have various Sound Blasters and other brands of old audio cards, but they are all PCI (one is ISA) so won't work.

I did find a PCIe firewire 800/400 card and I'm now using an external m-audio device.

I also had tried an external USB Sound Blaster but the annoying thing about that is that any time you play audio with AC3/DTS on the receiver you actually have to turn off the desktop speakers because they pass through the encoded audio junk.

Maybe I'm was getting some sort of electrical discharge from the speakers because sometimes I would hear that sort of sound when turning off the the computer... hard to explain...
post #4 of 4
Thread Starter 
For some reason the toslink started working again, and the regular analog audio jack kind of works again, however it sounds absolutely terrible like a speaker inside of a tin can with some high pitch feedback noises going on... It does this in the BIOS as well which leads me to believe that's its not a corrupted driver issue.

I bought a Soundblaster Z, and it worked well enough but I realized for $16 more I could get the Zx with better capacitors so I just exchanged the board and will install it once I get home from work smile.gif
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