Windows 8 and 8.1 Forums


Laptop suddenly turn off when main power turn off.

  1. #11


    Posts : 47
    Windows 8 64 bits Pro with Media Center


    another thing I noticed that this problem is some time happened and some time not.
    some time another different thing happened that when playing game and charger power goes off then laptop did not turn off. but when charger power comes ON then laptop is suddenly turn off.
    it seem clearer that it is a power problem, and I don't able to solve this problem.

      My System SpecsSystem Spec

  2. #12


    Posts : 2,627
    win8.1.1 enterprise


    like i posted in my other post ,if you are loosing you main power source then you need to plug into a device link the ones in the link ,the laptop will then run on battery backup provided by the device .

    Surge Protector & Battery Backup for sale at PCTRUST Computer sales and service in Guelph, Ontario,Canada
      My System SpecsSystem Spec

  3. #13


    Posts : 47
    Windows 8 64 bits Pro with Media Center


    Quote Originally Posted by caperjack View Post
    like i posted in my other post ,if you are loosing you main power source then you need to plug into a device link the ones in the link ,the laptop will then run on battery backup provided by the device .

    Surge Protector & Battery Backup for sale at PCTRUST Computer sales and service in Guelph, Ontario,Canada
    hmmm, it kind of a "UPS" we called it. (uninterrupted power supply).
      My System SpecsSystem Spec

  4. #14


    Posts : 2,627
    win8.1.1 enterprise


    Quote Originally Posted by I AM LEGEND View Post
    Quote Originally Posted by caperjack View Post
    like i posted in my other post ,if you are loosing you main power source then you need to plug into a device link the ones in the link ,the laptop will then run on battery backup provided by the device .

    Surge Protector & Battery Backup for sale at PCTRUST Computer sales and service in Guelph, Ontario,Canada
    hmmm, it kind of a "UPS" we called it. (uninterrupted power supply).
    yupp thats what it is and in my opinion a ups is what you need ,


    or a new laptop .lol
      My System SpecsSystem Spec

  5. #15


    Posts : 47
    Windows 8 64 bits Pro with Media Center


    but my laptop battery is not dead. it backup time is 4 hours.. I think bad chip of battery or main board power converting chip is causing the problem..
      My System SpecsSystem Spec

  6. #16


    Maryland USA
    Posts : 758
    Windows 8 & Windows 7 Dual Boot


    after re-reading your original post I believe I finally know your problem.. heres your partial quote

    when not playing games. and the main power (electricity) is gone, then this problem is not occurred.
    plz understand my problem and reply me.
    sorry for my bad English.

    It appears that when you are playing your games the power draw on your system is greater than what your adapter can supply.

    So youre actually running on battery even though you are plugged in..

    If you can look at your battery icon it will probably say "NOT CHARGING"

    one way to easily test this is to set your power plan to dim your screen to half brightness when its running on batteries, at that point you will know the instant you are not running on adapter power..

    You can test this by running your laptop and unplugging it from the wall, the screen should be only half bright at the moment you unplug it.

    You may only have a 65Watt power supply, you will need a 90W or even 100W power supply
      My System SpecsSystem Spec

  7. #17


    Posts : 47
    Windows 8 64 bits Pro with Media Center


    Quote Originally Posted by Brooklyn567 View Post
    after re-reading your original post I believe I finally know your problem..

    It appears that when you are playing your games the power draw on your system is greater than what your adapter can supply.

    So youre actually running on battery even though you are plugged in..

    If you can look at your battery icon it will probably say "NOT CHARGING"

    one way to easily test this is to set your power plan to dim your screen to half brightness when its running on batteries, at that point you will know the instant you are not running on adapter power..

    You can test this by running your laptop and unplugging it from the wall, the screen should be only half bright at the moment you unplug it.

    You may only have a 65Watt power supply, you will need a 90W or even 100W power supply
    your first and last point is very strong... nice observation. no doubt it is the most probability.. but adapter is not totally dead.. it does charge the battery and I did not seen "NOT CHARGING" status ever..
    I will must change power adapter. thanks alot for understanding and give me guidance.
    rep added bro..
      My System SpecsSystem Spec

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Laptop suddenly turn off when main power turn off.
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