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    Wake up from standby with USB keyboard

    Discussion in 'Windows OS and Software' started by luis_29, Jan 19, 2009.

  1. luis_29

    luis_29 Newbie

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    I have installed Windows XP on a Sony Vaio laptop which came with Vista. I usually connect a USB keyboard to it.

    With Windows Vista, I could restart the laptop from standby by pressing a key on the USB keyboard, but now in XP it doesn't wake up by doing this. By pressing a key of the laptop keyboard, it does work, but not with the external.

    I've checked the USB keyboard in the device manager, but there's no option to wake up from it. Any suggestions?

    Regards.
     
    luis_29, Jan 19, 2009
    #1
  2. Shyster1

    Shyster1 Notebook Nobel Laureate

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    My suspicion would be, without having done any research on it, that there's a problem of some sort in the chipset related to asserting the wake signal from a USB device and that _Sony only put the work-around in the _Vista drivers because it intended that system to only be run with the pre-installed copy of _Vista the machine came with.
     
    Shyster1, Jan 19, 2009
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  3. qhn

    qhn Notebook User

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    . Check your BIOS and see if there is an option to use the USB device for waking up.

    . Power management stage of stand-ny (S1, S2, S3 ) if you have it, check them out.

    . A registry add might be needed. Search the net for "usbkb_s3_wakeup". This is one old trick in the XP heydays. Word of advice: BACKUP your registry BEFORE doing anything to it!

    cheers ...
     
    qhn, Jan 20, 2009
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  4. luis_29

    luis_29 Newbie

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    I finally solved it touching the register, with the following entry:

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usb]

    "USBBIOSHACKS"=dword:00000000

    "USBBIOSx"=dword:00000000

    Thanks to all.
     
    luis_29, Jan 21, 2009
    #4