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Warning CPU has changed Enter CPU setting in CMOS

Discussion in 'Windows Vista' started by eppa.jp, Oct 6, 2008.

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  1. eppa.jp

    eppa.jp Thread Starter

    Oct 6, 2008

    little problem here. Just bought myself a Shuttle XPC Barebone black, Intel G33 ,775, PCI-E, 3xSATA, GbLAN, 250W PSU. My problem is that after putting in my Intel Core™ 2 Duo E8500 3.16GHz, Socket LGA775, 6MB, 1333Mhz, wich my shuttle supports (didn't use the original fan) i get this error message on startup: Warning CPU has changed Enter CPU setting in CMOS remember to save and quit, or something like that. Now I've just been skipping it and using my new pc as normal and it woks fine, on startup now I barly see the message, it was only few first times i turnwed on my computer this read.

    I tried to go into the CMOS but didn't really know what to do once there.
    So my question i guess is, is this something i can ignore, or should i do something about it and if so how?

    I cant notice any real performance issues but don't know if I'm getting full use of my CPU.

    Please help, don't want to ruin my computer.
  2. racock


    May 22, 2007

    It won't be doing you any harm, it's just alerting to let you know that it's changed, from what it remembers. They'll be a way somewhere in your BIOS (or maybe on boot) to acknowledge the change, that you'll want to do at some point, just to get rid of the annoying message.

    Might want to look at the book / docs that came with your Motherboard for distructions on how to 'ok' it. If the barebone PC didn't come with any, then see if you can see a sticker on the motherboard itself, and either search the net for it, or post the results back here, and we'll take a look for you.

  3. crjdriver

    crjdriver Moderator

    Jan 2, 2001
    Usually when this happens, you simply need to enter the bios and save settings then restart.
    As a general rule when swapping cpus, I always clear cmos when I have the case open. This insures that the cpu is detected correctly, correct voltage applied, AND prevents the error you are receiving.

    Just remember that when you clear cmos, you must then reenter any custom bios settings such as boot order, etc.
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