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Thinkpad A20 won't boot. Beep codes?

Discussion in 'Laptops' started by ken10254, Mar 1, 2007.

  1. ken10254

    ken10254 Guest

    Just received a Thinkpad A20 2628-24U. When attempting to boot, I get
    3 beeps a short pause, three more beeps, then a longer pause and one
    beep. No video at all. I've tried booting with no battery, no hard
    drive, different RAM and no RAM. I only get the beeps with no RAM
    installed, but no video at all. I got into the BIOS once on first
    boot, but shut it down and replaced the RAM. Since then nothing with
    the old RAM or new RAM. Any ideas or solutions? Would a dead CMOS
    battery cause this? Any help appreciated! It uses PC100 RAM.
    ken10254, Mar 1, 2007
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  2. ken10254

    JHEM Guest

    It uses _lo-density_ PC100 RAM for 256MB memory, what size are you using?

    The BEEP errors indicates a memory or MB error.

    JHEM, Mar 1, 2007
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  3. ken10254

    ken10254 Guest

    Since my post, I decided to let the a/c adapter charge the battery for
    a few hours to see if it made any difference. Seems that it did! After
    about 2 hours of charging, I was able to boot up with either set of
    RAM that I had available, get into the BIOS and start loading an OS on
    it. I'm guessing that the cmos battery was discharged. That's the only
    thing I can think of. Does this make sense?
    Anyway, all seems to be well this evening, so I'm happy. Thanks for
    your reply.
    ken10254, Mar 2, 2007
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