screen brightness keeps changing windows 10

screen brightness keeps changing windows 10.

Is your Windows 10 screen dimming automatically for no specific reason? Chances are, you’ve turned on adaptive brightness on your PC, but there are other reasons why your screen automatically dims.

Regardless of what is causing it, there are some simple fixes that you can apply to your computer to keep it from dimming automatically. One of these methods should solve the problem.

Disable Adaptive Brightness

Windows 10 comes with a feature called adaptive brightness that automatically adjusts the brightness of your display. If this setting is enabled and the environment changes, Windows automatically dims the screen.

In this case, turn off the adaptive brightness feature and see if your problem is resolved. You can turn this option back on at any time.

1. Open the Windows 10 Settings app by simultaneously pressing the Windows + I keys.
2. Select System from the Settings window.

1. Select Display from the options in the left sidebar.

1. In the right pane, turn off Automatically adjust brightness when lighting changes.

From now on, Windows 10 will not automatically increase or decrease display brightness. If your screen becomes too dark or too light, use the brightness slider in the display settings menu to manually adjust the brightness levels.

Remove the Latest Windows 10 Update

Some users have reported that their screen started to dim immediately after installing a Windows update. In this case, you can uninstall the last installed Windows 10 update. This might fix the problem.

1. Open the Start menu, search for Control Panel and select Control Panel from the search results.

1. From the Control Panel, click the View By menu at the top and select Category.
2. Select Programs from the options available on the screen.

1. On the next screen, under Programs and Features, select the View installed updates option.

1. You will now see a list of the installed updates on your computer. Select the Installed When column and make sure the most recent update is displayed first.
2. Select the most recent update from the list and then select Uninstall at the top.

1. When prompted to uninstall the selected update, select Yes.

1. Restart your computer after uninstalling the update.

If your screen doesn’t dim after uninstalling an update, the update is to blame.

These latest Windows updates can be found under Settings> Update & Security> Windows Update on your PC.

Check the Startup Programs List

If your Windows 10 screen dims a few seconds after your computer boots up, the startup program might be the cause. Your system loads a lot of programs at boot, and it’s worth checking this list of programs to find any suspicious items.

1. Open the Start menu, search for Settings and select Settings from the search results.
2. Select Applications from the Preferences window.

1. In the left sidebar, select Start.
2. On the right, all programs with the “On” switch are allowed to start when your computer boots.

1. Disable all or only suspicious programs in this list. The suspicious program is basically the one that you recently installed before the screen problem occurred.
2. Restart your computer and see if the problem goes away.

Use Power Troubleshooter

Windows 10 includes many troubleshooters, one of which is the power troubleshooter. With it, you can find and fix most power-related problems, including blackout problems, on your PC.

To run the troubleshooter:

1. Open the Settings app on your computer.
2. Select Update & Security from the main settings screen.

1. In the left sidebar, select Troubleshoot.
2. Select the Advanced troubleshooters option in the right pane.

1. Find Power in the list of troubleshooters, select it, and then select Run the troubleshooter.

1. Wait while the troubleshooter detects and fixes problems with your power settings.

Update the Graphics Card Drivers

A possible reason your Windows 10 PC screen automatically dims is because you are using outdated graphics drivers. Graphics drivers allow your graphics card to communicate with your system, so you should always keep these drivers up to date.

If you haven’t updated these drivers for a long time, run the driver update as follows.

1. Open the Start menu, search for Device Manager and select this option from the search results.

1. Select Display Adapters to expand the menu.
2. Right-click your graphics card in the Display Adapters section and select Update Driver Software.

1. In the window that opens, select the “Automatically search for drivers” option.

1. Let Windows 10 find and install the latest graphics drivers on your computer.
2. Restart your computer after installing the drivers.

Turn the Screen’s Power Saving Mode Off

If your video or graphics card comes from a reputable manufacturer, chances are you have the manufacturer’s tool installed on your computer. This tool will help you customize various parameters of your map.

This tool may have enabled power saving mode for your graphics card. In this case, the mode automatically dims the screen after a certain time.

To fix this, simply turn off the power saving option in this utility. In the following example, we will use the Intel utility to disable Power Saving Mode.

1. Open the Start menu, search for Intel Graphics Control Panel and select that option in the results.

1. Select “Power” from the main screen of the utility.

1. In the left sidebar, select On Battery.
2. In the right pane, under Display Power Saving Technology, select Disable.

1. Click Apply at the bottom to save your changes.

Hopefully your Windows 10 PC screen will no longer automatically dim. And if so, let us know which method worked for you in the comments below.

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screen brightness keeps changing windows 10

screen brightness keeps changing windows 10

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