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I have an Hp Probook and when the charger is out the screen darkens. I have seen this before on my friends computers and they are able to brighten theirs. How do I do this with mine?

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It's in control panel power options, change your current power scheme settings , you should have a brightness slider which will make it brighter on battery power, good luck

Posted on Sep 05, 2010

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Then brighten it. You brighten it by Holding Down either FN, CTRL or DEL key + Hit the corresponding key for brightening the display.
For example on my computer I press and hold the FN Function key while I hit the UP Arrow key to brighten the screen.

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Why is my picture darker than normal


It may be the backlighting has been readjusted by someone other yourself. Whenever you go on battery, I'm sure you've seen the screen darken a bit. This is the backlighting being turned down to save battery life. There is usually a blue function "fn" key that allows the user to brighten or darken the display. Look at the blue icons in the F1-F12 keys. The one to brighten the display looks light a sun and the one to darken the display looks a full moon eclipsed. Press and hold the fn key and tap the desired function key to brighten or darken the display.

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Every laptop is different, so adjusting the brightness or contrast on your laptop may vary from the steps provided on this page. However, understanding the process of how to adjust the brightness or contrast will help you change your settings.
Most laptops adjust their brightness and other settings using the function key in conjunction with another key. For example, pressing and holding the function key (abbreviated as "Fn") and pressing the up or down arrow keys as shown in the picture below, increases and decreases the brightness.

laptopb.jpg

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1 Answer

When computer using battery power, screen dims. Prior to today, when power cord was hooked to computer, screen would brighten noticably but now stays at the same level of brightness as if only on battery...


Just a few things to check which I guess you have tried.

Is the system running on battery or charger > maybe charger problem.

Have you tried to manually brighten the screen? Think that is Fn + F7 or F8

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How do you make the lighting on the screen brighter without the charger in ?


The screen will automatically dim slightly when it is on battery power, this is to conserve battery power. For maximum brightness connect the power adapter into the laptop.
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Friend, to brighten the screen of your calculator.you need to replace your battery

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