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Solved: Abit AN8 SLI Post Code 7A

Discussion in 'Hardware' started by nikegolf, Jan 20, 2009.

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  1. nikegolf

    nikegolf Thread Starter

    Aug 25, 2003
    Computer had been running for 3 or 4 months straight. Shut down computer, got a loud beeping noise sounded like it was coming from the from PSU, switched power off for a few minutes, switched back on no more beeping hit the power button nothing. Bought a new PSU (650W) old one was 500W, hooked everythigng up turned right on and froze at the BIOS screen with a "POST CODE OF 7A (detect and install co-processor)". Can't get into the BIOS.

    Have not had time to mess with it yet. Was going to reset motherboard to see if that worked.
    Any suggestions?

    Abit AN8 SLI Socket 939 Motherboard
    AMD Athlon 64 3700 SanDiego Core Socket 939 CPU
    Corsair 2048MB PC3200 DDR 400MHz (2 x 1024MB)
    XFX GeForce 6800GT 256MB PCIe w/ DUAL DVI
    Maxtor 160GB EIDE HD 7200/16MB/ATA-133
    Maxtor 200GB EIDE HD 7200/8MB/ATA-133
  2. jazz3000


    Apr 19, 2007
    I'd start by resetting my bios. Check your CMOS battery as it may have gone to great CMOS battery graveyard in the sky. A post regarding your processor isn't a good thing. You made sure your PSU was appropriate for the system and you've checked inside the case on boot to see if your processor is heating up? ( Just touching it should be enough if it's booting with the system.)
    Let us know, Jazz
  3. nikegolf

    nikegolf Thread Starter

    Aug 25, 2003
    Cleared the CMOS still same thing unplugged just about everything still did it, plugged everything backup and checked all connections and worked, so I'm sure it was probably just a loose connection some where.

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