Screen dims on battery even on 100% brightness

Discussion in 'Lenovo (IBM)' started by vahnwalker, Jul 11, 2007.

  1. vahnwalker

    vahnwalker Pen Pal - Newbie

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    My X61 tablet dims the SXGA+ screen's brightness a little when I pull out the AC adapter. This happens despite having custom power settings configured to have 100% brightness on both the battery and Power plugged in.
    Is this normal?

    One other questions is about the "Adaptive display" option on the Advanced power settings. What does this do?
     
  2. jenarelJAM

    jenarelJAM Scribbler - Standard Member

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    I don't know about the Adaptive Display, but I actually just noticed that my screen gets brighter when I plug it in as well, and my settings are the same as yours. Guess it's normal. It was like that on my dad's old laptop too.
     
  3. Az2002

    Az2002 Pen Pal - Newbie

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    This problem was fixed in the new ver of Lenovo Power manager... Use System Update 3 to get it.
     
  4. g2tl

    g2tl Scribbler - Standard Member

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    or go to lenovo's website :p
     
  5. vahnwalker

    vahnwalker Pen Pal - Newbie

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    Thanks guys!! I just love this forum :p
     
  6. Deekity

    Deekity Pen Pal - Newbie

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    there's a setting under power management profiles as well. For instance, default on one was 25% brightness. When you use the shorvut keys on the laptop it will dim and brighten the screen just fine - but only to a MAX of 25% brightness of the screens actual capability (ie you're 100% brightness of 25% allowed capability). Which is why things look so amazingly bright plugged in (100% allowed). You can of course adjust it so it will do this under battery - at the expense of battery life.
     
  7. krypticide

    krypticide Scribbler - Standard Member

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    There's also a BIOS setting that dims the screen on battery, even at 100%.
     
  8. dp22

    dp22 Tablet Fan

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    standard operating procedure on IBM's to lower the max brightness when on battery. You can adjust this in the bios as krypticide mentioned.
     
  9. midhun

    midhun Pen Pal - Newbie

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    at last found a working solution
    watch this youtube video
     
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