First off...
I would Re-Start your computer...OR...Shut down manually... to see if this fixes your problem. It's possible your computer didn't accept the changed setting? But...what you are experiencing is a Corrupt File, which will need to be removed!
Not sure exactly what you did? Where you trying to adjust the contrast, brightness, etc,.?
If you went through your Desktop to adjust these settings, always make sure you select APPLY and OK..
If you went through your System to Change your Resloution, you may have a Conflict with your chipset or even Malfunctioned it?
If re-starting your computer didn't fix your problem, than shut your computer down again!
Upon,..Re-booting...This time hold the Control Key down, so you can get into SAFE MODE!
I would then do a SYSTEM RESTORE under (SAFE MODE) and Restore your computer back to an earlier period that your computer was working correctly! Even, if you cleared the problem on the first step provided! Just type in the search box in your Control Panel System Restore! Or you can type in at the START Button...System Restore!
Also, while in SAFE Mode...go to your Device Drivers in your Device Manager and check for any setting that have a yellow symbol next to them...Click on each one and Update the Drivers!
Always, make sure...you Re-Start your computer after doing any changes...!
If you need further assistance, please don't hesistate to reply back to me! I'll be happy to help you!
Kind Regards!
Martie
Hi,
Dear User...
You can adjust the
brightness and contrast of your monitor to improve the readability of text and
to make digital pictures appear more like they'll look when printed.
To improve the results
when adjusting the brightness and contrast settings for your display, use
Display Color Calibration. (Display Color Calibration helps you adjust these
color settings and others.) For more information about calibrating your display
color in Windows,
see Calibrate your display.
The way you adjust
brightness and contrast varies and depends on your specific display.
•
Brightness and contrast buttons on the front of the monitor. Some monitors have brightness and contrast
controls on the front and use the standard symbols shown in the following
image.
•
On-screen menu. You can change the brightness and contrast settings for some
displays by using an on-screen menu, and then setting the brightness and
contrast in the resulting menu. Many times, you can view the on-screen menu by
pressing a button-possibly labeled Menu-on the front of the monitor.
Thanks....
Adjust your monitor's brightness and contrast
You can adjust the brightness and contrast of your monitor to improve the readability of text and to make digital pictures appear more like they'll look when printed.
To improve the results when adjusting the brightness and contrast settings for your display, use Display Color Calibration. (Display Color Calibration helps you adjust these color settings and others.)
The way you adjust brightness and contrast varies and depends on your specific display.
Brightness and contrast buttons on the front of the monitor.
Some monitors have brightness and contrast controls on the front and use the standard symbols shown in the following image.
Brightness and contrast symbols
On-screen menu. You can change the brightness and contrast settings for some displays by using an on-screen menu, and then setting the brightness and contrast in the resulting menu. Many times, you can view the on-screen menu by pressing a button-possibly labeled Menu-on the front of the monitor.
Laptop display. Laptop displays don't have brightness or contrast buttons on the front.
For a majority of laptops, there isn't a control for setting the contrast.
However, you can set the brightness of many laptops by pressing and holding the Fn key, and then pressing a function key to decrease brightness ( ) or increase brightness ( ).
http://windows.microsoft.com/en-US/windows7/Calibrate-your-display#
When using Display Color Calibration on a laptop, set the display to the maximum brightness setting.
Adjusting brightness automatically using adaptive brightness
Adaptive brightness is a feature in Windows that uses a light sensor to automatically adjust the display brightness to match the lighting conditions in your computer's surroundings.
To use adaptive brightness, you must have light sensors installed and enabled on your computer.
To determine if your laptop or computer monitor supports adaptive brightness, look for the Enable adaptive brightness setting in Power Options (mentioned in the following procedure) or check the information that came with your computer.
To turn adaptive brightness on or off
Open Power Options by clicking the Start button , clicking Control Panel, clicking System and Security, and then clicking Power Options.
Under any plan, click Change plan settings.
Click Change advanced power settings.
In the list, expand Display, and then expand Enable adaptive brightness.
To turn adaptive brightness on or off when your computer is running on battery power, click On battery, and then, in the list, click On or Off.
To turn adaptive brightness on or off when your computer is plugged into an outlet, click Plugged in, and then, in the list, click On or Off.
Click Apply. Click OK.
hope this helps
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