younda Posted November 10, 2005 Share Posted November 10, 2005 Built this system 3 months ago. Today, system will not boot. Main Board powers on, detects processor, then hangs with 3 diagnostic LEDs lit on MB with a single long beep every 4-5 seconds. Per the DFI user manual, this means it can't detect DRAM. I've reseated memory and other cards, removed power to all devices except MB and fans. No change. Anything else you'd suggest before requesting an RMA? ydy Link to comment Share on other sites More sharing options...
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