In case you notice that your laptop screen is dimmed and still offers the same lower brightness despite trying to brighten the screen, then in this article we have discussed some methods to help you solve your issue. Before jumping into the main solution, here are some easier workarounds to try first-
Workarounds -
1. Restart your computer. As your computer boots up, try brightening the screen by pressing the brightness key on your keyboard.
2. Try changing the brightness of your computer by simply clicking on the " Action Center " icon in the lower right corner of the taskbar and then adjusting the brightness.
3. Some users solved the problem this way-
a. Reboot your computer while pressing the brightness increase key (generally this is the " F12 " or " Fn+F12 ." keys).
b. Hold the key down until Windows boots up.
Normal brightness on your computer will be restored.
If any of these workarounds didn't work, try this fix on your computer-
Fix-1 Adjust screen brightness in settings-
Adjust the screen brightness in the Settings window to possibly solve the problem.
1. Press Windows key+I to open the Settings window .
2. Now click on " System ".
3. Now click on " Display " on the left side.
4. On the right side under " Brightness and Color " move the slider all the way to the right (maximum).
This should fix the brightness issue on your computer.
Fix-2 Calibrate display settings-
Calibrating a display driver can solve the problem on your computer.
1. Click the search box next to the Windows icon and type " calibrate display color r".
2. Click " Calibrate display color ".
3. Now click on " Next ".
4. Click Next again .
5. On the Adjust Gamma screen, adjust the slider to adjust the gamma to minimize the visibility of the small dots in the centers of the circles (next to the slider in the image).
6. Now click on " Next ".
7. In the Find the brightness and contrast settings for your display window, click " Skip brightness and contrast adjustments ".
8. Click Next again .
9. Finally, in the Adjust Color Balance window, there are three sliders (R, G, B).
10. Adjust these sliders until you achieve the color balance you prefer.
11. Now click on " Next ".
12. Finally, click " Finish " to save the changes to your computer.
This should fix the screen dimming issue.
Fix-3 Change registry on your computer
1. Press Windows Key+S and type " regedit " in the search box and press Enter .
2. In the Registry Editor window , first click " File " and then click " Export ".
3. Now select a suitable location on your hard drive to save the backup. Name it " Original Register ".
4. Then just click " Save " to save the registry backup to your computer.
5. In the Registry Editor window, navigate to this location on the left-
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0000
If you can't find this location, try navigating to this location instead-
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0001
6. Double click on " FeatureTestControl " on the right side of the window.
7. In the Edit D-WORD (32-bit) Value window, set the "Value Data" to "f048 " and then click " OK " to save the changes.
Close the Registry Editor window on your computer.
Restart your computer to save the changes on your computer.
Fix-4 Uninstall and reinstall display driver-
Uninstalling and installing the display driver should fix this problem.
1. Press Windows Key+X and click " Device Manager ".
2. Once the Device Manager window dominates, maximize " Display Adapter ".
3. Just right click on the graphics driver your computer is using " Uninstall device ".
4. Now click " Yes " to uninstall the driver from your computer.
To reinstall the graphics driver on your computer, try these methods:
Method 1-
Close the Device Manager window . Restart your computer.
Method 2 -
If restarting your computer did not install the driver, you will need to install the driver yourself. Follow to install the driver manually-
1. In the Device Manager window , click Action and then click Scan for hardware changes .
Check if that helps or not.


แสดงความคิดเห็น