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I can't change brightness

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  • fawzy mohamed Feb 13, 2012

    i can't change brightness on acer 5742z ( fn key+ left or right arrow doesn't work )
    thanks

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  • 52 Answers

Reinstall the chipset drivers ....if fails then try doing a system restore

Posted on Feb 13, 2012

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are you pressing the Function key first? the brightness buttons do not work without pressing that first. usually it is in blue close to the ALT.
& Win key
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I have installed recently WIN XP SP3 on my samsung netbook N100. I observed the LCD gives sufficient brightness and Contrast when charger is on while with battery backup brightness & contrast...


Hello,
I believe there's a setting in your control panel > power options to change the settings of the brightness and contrast depending on the source of power. it is set there to change the brightness and contrast of the LCD on how it will change once you remove the ac adapter from the laptop.
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How do i adjust brightness in hp g60


Here's how to adjust the screen brightness for a laptop in Windows 7:
  1. Go to Control Panel -> Hardware and Sound -> Power Options.
  2. Click on "Change plan settings" for your laptop's selected power plan (either Balanced or Power saver).
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  4. Once you've adjusting the brightness settings to your liking, then click on the 'Save changes' button.
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Samsung has a built in great power management. It will reduce power brightness to 50% or less if unplug from power cord. <<< it gives more times for power on the battery stays longer. BUT if you demand for some cases eg.PRESENTATION >>> go to CONTROL PANEL >>>power option >>> presentation. APPLY >>> OK

akee_akee@live.com

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I don't seem to have an option to change the colour on screen for my pro nav 300. It's sometimes hard to see in bright sunshine. Can you help please.


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Is there any way to brighten my screen on my acer aspire 5601 lap top


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