I have problems with PC based on motherboard Asus P8H67-V – 3 short beeps during startup and nothing more happens. I've tried to find the list of EFI BIOS beep codes, but without success. Can someone give advice? Link to motherboard: here.
Asus EFI BIOS beep error codes
bios
Related Solutions
Sounds like your on board graphics chip died.
First clear your RTC RAM.
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If clear RTC RAM does not get the on board video working, Install a graphics card into your PCI Express x16 slot and connect your monitor to it.
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You should be able to get a post screen now, if you do enter the bios and set the PCIe slot as default video if it is not already set.
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Unfortunately the CrashFree utility (mentioned by Brian) turned out to be a big bust and was pretty much useless. The whole motherboard was basically bricked.
I had to send it for repair. When I got it back, the note said that "no repairs were needed, only a new BIOS had to be installed" - I'm guessing the service team has a way to hook up the motherboard to flash a new BIOS directly - possibly via the little removable chip.
Anyway, I also think I know what the reason for this was. As Keltari mentioned in one of the comments in the other answer, doing small increment upgrades on a "sister PC" (with the same motherboard) worked fine. What wasn't apparent before was that one of the BIOS updates was pretty large and required a dual-flashing procedure. My guess is that when I originally installed the latest BIOS on a very old BIOS, skipping this step, I bricked the whole motherboard.
So there - I'm posting this answer as it contains the most likely reason and the only repair procedure I could use.
Best Answer
I believe the Asus boards have a somewhat customized Award BIOS installed, so they should conform to standard Award beep codes. Unfortunately, 3 short non-repeating is not a standard Award code, so either your motherboard doesn't have the standard Asus BIOS configuration or it's encountered an error that Award does not publish.
As an IT professional, I've always gone by a simple rule, and it's served me well: if it beeps, replace the RAM. The vast majority of BIOS beep codes occurring at boot are the result of failed or badly seated RAM. The remaining minority are the result of a failed or badly seated video card, but understand that motherboards with integrated video will rarely beep due to a video card problem, instead they will just revert to the integrated hardware. The only other real possibility is CPU trouble. Although beep codes for the failure of the motherboard itself are possible, they're not at all common, and Award publishes no such codes.
So, here's your trouble shooting steps, from my experience:
I rank reseating the CPU a little higher than I normally would, just because of the possibility that the beeps you're hearing are the high temperature alarm and it just happens to be hitting the maximum temperature (at which point it shuts off) after around three beeps. This would be especially likely if it's not always exactly three beeps. Make sure you have some spare thermal compound to keep the CPU/cooler connection greased up.