Why does my screen brightness keep changing Windows 10?

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Adjusting brightness using your laptop’s keys

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On most laptops, you can adjust the brightness of the display using special keys on the keyboard. The keys are usually marked with the brightness symbol (Often, the brightness keys are function keys which).

Often, the brightness keys are function keys which have a special function if you press them while holding down the Fn key.

The Fn key is usually located to the left of the spacebar. The brightness function keys may be located at the top of your keyboard, or on your arrow keys.

For example, on the Dell XPS laptop keyboard (pict

For example, on the Dell XPS laptop keyboard (pictured below), hold the Fn key and press F11 or F12 to adjust the brightness of the screen.

Other laptops have keys dedicated entirely to brig

Other laptops have keys dedicated entirely to brightness control. On the HP Chromebook keyboard (pictured below), there is no Fn key — press the brightness keys.

Chromebook

Chromebook

To change the brightness on a Chromebook, you’ll need to push one of the two adjustment keys. The small gear lowers the brightness, and the large gear raises it. They are located at the top of the keyboard, as you can see in the red rectangle below.

Video

Video

Why does my brightness keep going up and down by itself?

Sometimes, the culprit behind your phone’s brightness going down by itself is the built-in automatic brightness adjustment. In some phones, it’s called Adaptive Brightness, Auto-Adjust, Automatic Brightness, or Auto-Dim. Go to your phone Settings, look for the Display options, and check if it is enabled.

How do I stop my monitor from auto adjusting?

Moderator

  1. Push the menu button at the front side of your Dell monitor. …
  2. Push the menu button again. …
  3. Use the down arrow button on your monitor to select “Factory Reset.”
  4. Push the menu button.
  5. Use the down arrow button to select “All Settings.” Press the menu button to save changes.

9/30/2013

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.

 In the left sidebar, select Start. On the right,

  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.

 Disable all or only suspicious programs in this l

  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.

screen brightness keeps changing windows 10

screen brightness keeps changing windows 10

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