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Thread: Bios keeps waking computer from sleep

  1. #1
    Join Date
    Mar 2010
    Posts
    106

    Bios keeps waking computer from sleep

    My problem is that whenever I try to make my computer to sleep it automatically wakes back up as it enters to sleep mode. I am not sure but I think that it is a BIOS problem and therefore I change the BIOS from Auto to S1. After this when I tried for sleep function then also the computer runs but this time it is in low power state. I again changed it to S3 and I found that it is the same as it was in Auto. I donít know that what the problem is. Please help me.

  2. #2
    Join Date
    Nov 2009
    Posts
    761

    Re: Bios keeps waking computer from sleep

    Yes, I have solution for this. For those who has the issue like this, here is the solution for them:

    The thing you have to do is to change the jumpers on the USB and keyboard also if you have PS2 keyboard. All you have to do is to change the jumper from 1-2 to 2-3. This will supply the power to activate the sleep and wake up function. If you donít do this then your computer will be in S1 state in which your computer will be running continuously but in low power mode.

  3. #3
    Join Date
    Nov 2009
    Posts
    794

    Re: Bios keeps waking computer from sleep

    This seems to be problem with the setting of your BIOS. I think that you have to reset the BIOS setting and here are the setting to reset the Setting.
    1. Shut down your computer.
    2. you will find the rocker at the back of your computer and change it from position1 to position 0.
    3. you will find a three pin jumper near to the power supply of the motherboard. It will be labeled as "clear cmos" or sometimes as "reset bios".
    4. Remove the jumper from position 1-2. It is default position.
    5. Place it to position 2-3.
    6. press the power button on your computer.
    7. Wait for a minute.
    8. connect the jumper to the default position.
    9. Now power on your computer.

  4. #4
    Join Date
    Nov 2009
    Posts
    867

    Re: Bios keeps waking computer from sleep

    Above method is right but if it is not working in your case then I have an alternative way to do that. Here are the steps.
    1. If applicable then switch the rocker-style from position (I) to the off position (O).
    2. Now remove the CMOS battery.
    3. wait for 4-5 minutes.
    4. again insert the battery.
    5. Again move the rocker-style switch to position (I).
    6. Switch your computer on.

  5. #5
    Join Date
    Apr 2009
    Posts
    1,108

    Re: Bios keeps waking computer from sleep

    Here is the simplest and safest way to do that. You should try this steps before doing any other thing.
    1. Press Del key continuously as you press the power on button and this will let you to the BIOS setting.
    2. Select the last tab in the BIOS window.
    3. Search for the option for restoring the BIOS setting and select that.
    4. In last select the save and Exit.

  6. #6
    Join Date
    Apr 2009
    Posts
    972

    Re: Bios keeps waking computer from sleep

    If you donít know that how to configure the BIOS setting then you should not mess with it. This may also damage your computer. Unplug the computer before removing the case. Before conducting any component in your PC you should make sure that you have ground yourself, this will decrease the risk of electrostatic discharge.

  7. #7
    Join Date
    Apr 2009
    Posts
    996

    Re: Bios keeps waking computer from sleep

    If you donít know that how to configure the BIOS setting then you should not mess with it. This may also damage your computer. Unplug the computer before removing the case. Before conducting any component in your PC you should make sure that you have ground yourself, this will decrease the risk of electrostatic discharge.

  8. #8
    Join Date
    Mar 2010
    Posts
    1,937

    Re: Bios keeps waking computer from sleep

    You can try the above posted solution and see whether it works or not. Normally it will work but if you found that it is not working then you can call the service center of LG and ask them. They will give you the correct solution. Or you can reach to the nearest service center for LG and get it done there. This is the best way to get the issue solved.

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