Pteroduck Posted April 26, 2014 Posted April 26, 2014 So I just built my friend a computer on a z77-3770k platform He's having problems with his HDD, whenever you plug in the ssd only, it boots fine, but when you plug in the WD black HDD it wont boot and gives an a2/a3 errorWe switched that HDD out with another HDD and it boots up fine. Any ideas? Quote Share this post Link to post Share on other sites More sharing options...
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