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    Reset BIOS on Compaq Presario F557WM

    Discussion in 'HP' started by Yotsuba, Sep 13, 2008.

  1. Yotsuba

    Yotsuba Notebook Evangelist

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    I was trying to get the computer to stop taking nearly a third of my RAM for video and accidentally set the onboard video to disabled. Is there any way to re-enable it without having to take apart the whole computer? The laptop is a Compaq Presario F557WM with an AMD Turion 64 MK-36 @ 2.0 GHz, 1.5GB RAM, nVidia nForce 430 chipset with GeForce Go 6100 video.
     
    Yotsuba, Sep 13, 2008
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  2. vassil_98

    vassil_98 Notebook Deity

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    It should be in the BIOS, I suppose that's how you got it disabled

    Actually, you don't have a dedicated GPU, what do you mean you disabled the onboard video?
     
    vassil_98, Sep 13, 2008
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  3. Yotsuba

    Yotsuba Notebook Evangelist

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    In the BIOS, it gives four options for video memory allocation. 32, 64, and 128 MB, and Disabled. I meant to set it to 128 but accidentally set it to Disabled.
     
    Yotsuba, Sep 13, 2008
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  4. Andy

    Andy Notebook Prophet

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    You probably disabled Shared Memory. See if this works, remove all sources of power - battery, AC, USB devices etc, then hold down the power button for 20-25 seconds, then boot.
     
    Andy, Sep 13, 2008
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  5. Yotsuba

    Yotsuba Notebook Evangelist

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    Tried removing all sources of power and it didn't work.
     
    Yotsuba, Sep 13, 2008
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  6. Andy

    Andy Notebook Prophet

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    Did you keep the Power Button pressed ? I don't know of any other way, except shotting the CMOS jumper.

    Why not just re-enable the video memory allocation in the BIOS ?!
     
    Andy, Sep 13, 2008
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  7. vassil_98

    vassil_98 Notebook Deity

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    exactly. What's the problem?
     
    vassil_98, Sep 13, 2008
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  8. Yotsuba

    Yotsuba Notebook Evangelist

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    The screen stays black. It doesn't do a thing. The computer beeps three times and just sits there.
     
    Yotsuba, Sep 14, 2008
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  9. vassil_98

    vassil_98 Notebook Deity

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    oops, you should've started with this one. 3 beeps and no screen is a good indicator of a Motherboard problem. You may have to call HP
     
    vassil_98, Sep 14, 2008
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  10. Yotsuba

    Yotsuba Notebook Evangelist

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    The comp lives again. I don't know if it was disconnecting what I'm guessing is the CMOS battery or removing the ram and turning on the computer with the RAM removed and battery disconnected. I reconnected the battery and reinstalled the RAM and it powered up with no problem at all.
     
    Yotsuba, Sep 14, 2008
    #10