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XPS 14 with LG screen dims on its own randomly

Discussion in 'Dell XPS and Studio XPS' started by noji, Jun 26, 2011.

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  1. noji

    noji Notebook Enthusiast

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    I swapped my XPS14 screen for the LG 1600x900 screen. I've noticed that randomly the screen gets dimmer for a few seconds and then brightens back up. I cannot correlate it with anything, this does not seem to be a power setting issue. I remember this being mentioned before by people, has anyone come up with a fix?
     
  2. machiz7888

    machiz7888 Notebook Consultant

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    its probably a battery life setting, its either in the intel settings or windows power settings. It changes the screen contrast to save battery life or something along those lines.
     
  3. NoAirBanding

    NoAirBanding Notebook Geek

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    Did the power cord get bumped?
     
  4. SimoxTav

    SimoxTav Notebook Evangelist

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    Same here with the XPS 15, I noticed it on white backgrounds mostly... I have an AUO screen, so it seems it's a matter of IGP instead of a generic issue or a screen one...
     
  5. Tsunade_Hime

    Tsunade_Hime such bacon. wow Super Moderator

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    Do you have Optimus? There seems to be an issue with Optimus and random dimming. Does it do it on an external monitor? Did you check if you are on battery/AC power?
     
  6. noji

    noji Notebook Enthusiast

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    I do have optimus, and this is not a power setting dimming. It just gradually dims and loses contrast unlike a power screen dimming. It then comes back after a few seconds. Can the person who mentioned Optimus and random dimming tell me more?
     
  7. namaiki

    namaiki Super Moderator Super Moderator

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    There is a certain Intel DPST (Display Power Saving Technology) option under "Power settings" in the Intel GMA control panel that you could try disable/check.
     
  8. hockeymass

    hockeymass that one guy

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    This might be unrelated since you say it doesn't correlate with anything, but Dell has this "Intelligent Display" feature which dims the screen when it is predominantly darker colors and brightens it when lighter colors are on the screen. Nice in theory, kind of annoying in practice.
     
  9. SimoxTav

    SimoxTav Notebook Evangelist

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    [​IMG]

    Probably this one..
     
  10. NoSlow5oh

    NoSlow5oh Notebook Evangelist

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    Are you using Fast Access Facial Recognition? There is a setting in there that can dim the backlight if the camera doesn't detect motion for an extended amount of time. It will then resume once it detects movement. Probably not that but it's happened on mine and I disabled it.
     
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