In case you notice that your laptop screen has gone dark and despite trying to lighten the screen it still offers the same lower brightness level, in this article we have discussed some methods, by following them you will be able to solve your problem. . Before moving on to the main solution, here are some simpler workarounds to try first:
Alternative solutions-
1. Curriculum vitae your computer. As your computer starts, try to lighten 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”In the lower right corner of the taskbar and then adjust the brightness level.
3. Some users solved the problem like this:
a. Restart your computer while holding the increase brightness key (usually it is "F12"Key o"Fn + F12" keys).
B. Hold it down until Windows starts.
The normal brightness level will return to your computer.
If any of these solutions didn't work, try this solution on your computer:
Fix-1 Adjust screen brightness from Settings-
Adjusting the screen brightness from the settings window may solve the problem.
1. Press Tasto Windows + I to open the settings window.
2. Now click on "System".
3. Now, on the left side, click on “Monitor".
4. Right, below 'Brightness and color'sets the cursor to the rightmost (maximum) position.
This should fix the brightness problem on your computer.
Fix-2 Calibrate the display settings
Calibrating a video driver can fix the problem on your computer.
1. Click the search box next to the Windows icon and type "calibrate the screen colorr ".
2. Click on 'Calibrate the screen color".
3. Now click on "The next".
4. Again, click "The next".
5. In the Adjust Screen Gamma, adjust the slider to adjust the gamma so that the visibility of the dots in the center of the circles (in the image next to the slider) is minimized.
6. Now click on "The next".
7. In the Find the brightness and contrast controls for your screen window, click "Skip the brightness and contrast adjustments".
8. Again, click "The next".
9. Finally, in the Adjust color balance window, there are three sliders (R, G, B).
10. Adjust these sliders until you reach the color balance you prefer.
11. Now click on "The next".
12. Finally, click on "To finish”To save the changes on your computer.
This should fix the screen dimming issue.
Fix-3 Edit registry on your computer
1. Press Tasto Windows + S and start typing "regedit”In the search box and hit Pay in.
2. In the Registry Editor window, first you need to click on “Fillet"And then inside"Export".
3. Now choose a suitable location on your hard drive to store the backup. Call it like "Original disc".
4. Then click on "Save”To save the registry backup on your computer.
5. In the Registry Editor window, go to this location on the left side-
HKEY_LOCAL_MACHINE SYSTEM ControlSet001 Control Class {4d36e968-e325-11ce-bfc1-08002be10318} 0000
In case 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. Now, double click over it "FeatureTestControl“On the right side of the window.
7. In the Edit value D-WORD (32 bit) window configure the 'Value data' for "f048"And then click"all right”To save the changes.
Close Registry Editor window on your computer.
Restart computer to save the changes to your computer.
Fix-4 Uninstall and reinstall the display driver-
Uninstalling and installing the display driver should fix this problem.
1. Press Windows key + X and click "Device administrator".
2. Once the Device Administrator window prevails, expand "Monitor adapters".
3. Simply the right mouse button in the graphics driver used by the computer "Uninstall device".
4. Now click on "Yup“To uninstall the driver from your computer.
To reinstall the graphics driver on your computer, try these methods:
Method 1-
Close the Device Administrator window. Curriculum vitae your computer.
2 method-
If restarting your computer did not install the driver, you need to install the driver yourself. Follow to install the driver manually-
1. In the Device Administrator window, click "Action"And then click"Check for hardware changes".
Check if this helps or not.
