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E6500 numlock flashinig, but CPU is fine, now what?

Discussion in 'Dell Latitude, Vostro, and Precision' started by morgum, Aug 10, 2016.

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  1. morgum

    morgum Newbie

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    Flashing numlock LED (other two on) indicates: "possible processor failure", but my CPU turns out to be working. I replaced with a same CPU from a second working E6500 – and it continues to fail to boot with the same symptoms and flashing numlock. So I put the CPU from the first E6500 into the second, and it works.

    So wondering what else to troubleshoot. I love this particular laptop and really want to get it running.
     
    morgum, Aug 10, 2016
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  2. John Ratsey

    John Ratsey Moderately inquisitive Super Moderator

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    This is one of the situations where I would do a full disassembly / reassembly (including taking out / replacing the RAM) in case the underlying problem is with a bad contact somewhere.

    Otherwise can you find a replacement mainboard on ebay?

    John
     
    John Ratsey, Aug 13, 2016
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