A7N8X can't access bios setup at all, hangs at "WARNING!! CPU HAVE BEEN CHANGED"

Discussion in 'Asus' started by John Q Public, Jul 19, 2003.

  1. New A7N8X Deluxe hangs at post: "WARNING!! CPU HAVE BEEN CHANGED"

    Replaced an A7m266 that was running fine for about 3 1/2 years. Have
    the XP2100 CPU, 400 Watt power supply Antec, 512 ram pc2100.

    pressing DEL will not even let me update/enter the bios setup.

    Tried clearing CMOS, and now I get...

    "CMOS checksum error- Defaultsloaded"

    and then...

    "The system was not correctly shut down and is
    working in safe mode speed, please press DEL to BIOS setup table to
    set correct CPU speed"

    BUT I STILL can't access the damn BIOS. Tried holding DEL down as I
    power up-nothing. Just locks up at the above mantioned error message.
    ALT-F2 won't boot off a Win98 startup floppy even, so I can't even
    flash the BIOS if I wanted to because I can't even get to an A:\
    John Q Public, Jul 19, 2003
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  2. John Q Public

    jvc23 Guest

    I know, it's a dumb question, but do you have the keyboard and mouse
    switched? The keyboard plugged into the mouse port and the mouse into the
    keyboard port??

    jvc23, Jul 19, 2003
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  3. John Q Public

    Alan Guest

    I had exactly the same board and the same upgrade, only an AMD 2000.

    The same problems occured on my board and was corrected when I changed my
    What memory do you have? I was using Samsung (recommend list by Asus), but
    when I changed to OCZ my problem was gone.

    However you might want to check the heat compound between your processor and
    heatsink. Make sure you have only a very slight amount of arctic silver,
    and work the seating of the heatsink to the processor. This will make a
    huge difference in the temps.

    By the way, I still find my A7M266 board to process renderings faster than
    the A7N8X, even though the processor is only a Athlon1200.

    Hope this helps,

    Alan, Jul 19, 2003
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