laptop screen keeps dimming and brightening

This guide is primarily directed at users who ended up on this page because they want to find how to fix the screen dimming problem on Surface Pro 4, but you are welcome to attempt all the solutions. If you failed to update your driver this way, then you must check out the third fix. You can now use it to adjust the brightness of your screen’s display. Most times, Windows will ask you to do this, anyway.Īfter a successful update of the driver, the brightness button will become functional. If everything goes well and you update the required driver to its latest stable or manufacturer-recommended version, you will do well to restart your system.

Follow the instructions as they come up to update the selected driver.

All the same, you must right-click on the Intel HD graphics driver, then select Update driver from the short menu list that pops up.

If your computer has a dedicated GPU, then you will see 2 drivers.

After the program window shows up, you must click on Display adapters to view the drivers under this category.

Right-click on the Windows Start icon, then select Device Manager from the list of programs and options you see.

If you still cannot adjust the brightness of your display even after you carried out the operations above correctly, then a faulty or outdated driver is most likely responsible for your problem. Even those that employ a wireless mode of connection (via Bluetooth, for example) must be cut off. Disconnect any external device with a connection to your system. If you could not find the option for adjusting the brightness of your display, then you will do well to verify that no peripheral is currently connected to your PC. Finally, you are free to reconnect the keyboard you removed earlier.

Now locate the option for editing the brightness level.

A swipe from the right on the screen often does the trick. Your system will boot up as usual, but this time, after you arrive at your desktop screen, you must bring up the notification center. Of course, you have to do this using its touchscreen. After Windows boots up and you arrive at your desktop screen, you must detach the keyboard connected to the main body of your PC.

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Laptop screen keeps dimming and brightening