Display sleeps, but Tower stays on -- Why?


  1. Emobee
    Posts : 1
    Windows 7 64 bit Ult
       New #1

    Display sleeps, but Tower stays on -- Why?


    So in my BIOS the setting is at S3.

    So this is what happened....about 4-5 months ago there was a Windows Update and on the update was an (I had never seen this before) Nvidia graphics card update as well, I didn't think much of it so I just updated the Important Updates as usual.

    At some point during the updates my monitor shut off as if my computer was going to sleep--it did not return for a good 30mins+...so I manually shut down my computer.

    And now.... When I attempt to sleep OR Shut Down my computer while logged into windows, the tower stays on (fans/lights on/running sound), the display sleeps but the tower remains on. Why? (Note: When I am NOT logged into Windows, I am able to shut down properly, but still will not sleep properly)

    It takes a power button shut down when this happens -- I am unable to toggle the display back on when sleep fails, which forces the manual shut down.

    I've tried a lot of fixes -- from reinstalling the GPU and updating graphics, enabled hibernate (which also fails like sleep mode), disabled Devices from waking up the computer, checked all peripherals/USB ports, disabled NVStreamServices from GeForce Experience -- not sure how this got turned on, assuming from the update.

    Also tried different Power Options, my powercfg /requests all say None. My Local Area Connection has IPV6 disabled, I also tried just using direct cable modem connection versus router, no change. Using timed sleep mode still sleeps the display, but the tower stays on...

    Single user PC ...any help is appreciated -- Not tech savvy.
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  3. gregrocker
    Posts : 50,642
       New #2

    he problem is normally with the display. Try uninstalling the display driver including any software from Control Panel and Device Manager, reboot, enable Automatically deliver drivers via Windows Update (Step 3)
    then Check for Updates, install all Important and Optional which may include critical performance updates as well as drivers.

    If this doesn't help, compare it with the driver for your model PC or video card from its SUpport Downloads webpage. If that fails after trying it again, then work backwards and forwards to Beta and older drivers.

    Other steps here to troubleshoot Sleep Mode Problems - Vista Forums

    In addition look over these steps for doing a perfect Clean Reinstall Windows 7 which compile everything that's worked best in tens of thousands of installs we've directly helped with here.T
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