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computer won't post, 1 long beep, 2 short beeps.

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Joined
14 Jun 2011
Posts
270
Location
Glasgow
Hi all a few days ago my pc stopped posting. A quick search on the internet pointed me towards a graphics card fault.

I removed my card and fitted a really old dx10 card and it posted. However I can't find a dvi to dvi cable to see if the monitor is getting a signal.

I think the card is about 1 year old, a gigabyte rx660xt.

any advice?
 
So I fitted the card to my other pc and it booted fine, no issues.

I've also tried swapping the RAM into different slots and I tried different RAM.

I also removed the CMOS battery for hours. What next?
 
^ This, I have a 6600XT and even though my PSU was 550 watts made by BeQuiet the card didn't like having it's power supplied via separate 12v rails. As a result I would get a black screen when Windows was loading the driver during the Windows boot up process (I have a whole thread on this strange behaviour). The only way I could work around the issue was to buy a 850watt PSU from Corsair with a single fat 12v rail.

If you PSU is old or an older design this could the issue.

Edit

Here is my thread I made on the issue
And here is a thread on AMD's own forums on the above issue
 
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