Laptop dies at 19% without a 'low battery' warning. Help?

  1. Hi, well i really dont know anything about computers what so ever, but for a few days now, my Acer Laptop has been shutting down when theres 19% left of the battery, or 20 minutes without warning. Usually it gives me a low battery warning when theres 13 minutes left, then a critical battery waning at 7-8 minutes left.
    (copied off from the sticker on the bottom right)
    -Windows 7
    -AMD Athion II X2 processor P340
    -ATI Mobility Radeion Hd 4250

    I hope those ^^ help, thanks.

    ps. ive only had it for about 3 months, well since christmas
  2. nismo91

    nismo91 TechSpot Guru Posts: 1,001   +11

    click start / windows
    type power options and select it
    select change plan settings on your current power plan
    click change advanced power settings
    go to battery
    check the low and critical battery level and actions.

    if those aren't set in 20% it probably means your battery is out of calibration.
  3. EscapeToNowhere

    EscapeToNowhere Newcomer, in training Topic Starter

    Thank you so much for a quick response, but it did not work.

    "click start / windows Check
    type power options and select it Check
    select change plan settings on your current power plan Check
    click change advanced power settings ] cannot find
    go to battery ]- cannot find.
    check the low and critical battery level and actions." ] cannot find

    Is there any other way ?
  4. nismo91

    nismo91 TechSpot Guru Posts: 1,001   +11

    after you click change power settings for current plan, left bottom, change advanced power settings
    [​IMG]
  5. EscapeToNowhere

    EscapeToNowhere Newcomer, in training Topic Starter

    i dont know what happened. maybe it worked, but everythings back to normal now. thank you so very much,


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