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    Changing display brightness profile.

    Discussion in 'Other Manufacturers' started by Dirt, Feb 28, 2008.

  1. Dirt

    Dirt Notebook Evangelist

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    Hi,
    I'm experiencing a bit of a problem using the laptop on battery power. I always set display brightness to the lowest setting to extend battery life till 3 hours and more. But the problem is that when the monitor powers off or laptop goes into sleep the brightness settings are restored to default 4/7 of brightness after turning it on again.
    It there a way to force laptop using the lowest brightness settings while draining the battery power?
     
  2. Wirelessman

    Wirelessman Monkeymod

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    Sleep or hybernation?
     
  3. Dirt

    Dirt Notebook Evangelist

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    Oh, sorry. I meant standby by that.\
    My power scheme is configured to turn off display after 1 min of IDLE and to go to stand by and turn off disk after 3 min.

    P.S. It's mostly for making notes on seminars in university.
     
  4. Wirelessman

    Wirelessman Monkeymod

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    Hybernation is tricky sometimes especially when the HDD if turned off.

    I would suggest that you turn everything but the HDD, try that and see if solves your issue.
     
  5. Dirt

    Dirt Notebook Evangelist

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    No no, you got me completely wrong, the hibernation/sendby process functions properly. It's just I want that the display brightness settings after coming back to functioning OS would be 1/7 (minimum there is) and not 4/7 (by default for battery power).
     
  6. Wirelessman

    Wirelessman Monkeymod

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    And what I'm saying is change the setup and have averything to go on standby mode but the HDD and see what happens.
     
  7. Atook

    Atook Notebook Evangelist

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    Dirt, which OS? I think you can do it in Vista, but not XP. No idea about Linux.
     
  8. Dirt

    Dirt Notebook Evangelist

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    XP 32bit, can you tell where to look for a thin like this in Vista?
    I have some setting in NVidia control panel, but they don't work. It would be weird only for Vista to support it, after all it's not XP that is build on “Paranoid Schizophrenia architecture ®”.
     
  9. Atook

    Atook Notebook Evangelist

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    I know what you mean about vista vs xp..

    But I noticed settings in the vista control panel that included brightness settings per power scheme. XP doesn't have that.
     
  10. Dirt

    Dirt Notebook Evangelist

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    Well I found out that NVidia smartdimmer should do that and it does with every single laptop except compal.... wtf?!
     
  11. pixelot

    pixelot Notebook Acolyte

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    Have you got the power plan set so the default is 1/7? Otherwise, you turning down the brightness will be overridden every time it has a chance. ;)
     
  12. Dirt

    Dirt Notebook Evangelist

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    I tried different power plans, now differences in brightness were detected.
    Exactly, that that I am talking about, the all problem is because it gets overwriten.

    1) In Windows XP there are no display brightness power options in control power manager.
    2) The options for setting display brightness in Vista are provided by NVidia SmartDimmer, you change setting in that, they gets to change in NVidia Control Panel. Remove the video driver and they will be gone.
    3) Because of so unknown reason NVidia SmartDimmer doesn't operate in Windows XP with Compal laptops.

    So I guess the may question now is how to make the SmartDimmer operational.
     
  13. pixelot

    pixelot Notebook Acolyte

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    Go to the power plan and edit it so the default is 1/7. Under Advanced Options, you can also change the Smart Dimmer settings.
     
  14. Dirt

    Dirt Notebook Evangelist

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    It is like minimum 3 times mentioned in this thread that there is no such option in Windows XP in power plan panel, but there are similar in nvidia driver control panel and they don't work.