How To Fix Windows 10 Brightness Won’t Change Issue

Windows 10 is the latest version of the Windows operating system. It was first released in 2015 and was made as a free upgrade to people who were running Windows 7 or Windows 8 on their computers. Although this is a solid performing operating system there are instances when certain issues can occur which we will be troubleshooting today. In this latest installment of our troubleshooting series we will tackle the Windows 10 brightness won’t change issue.

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How To Fix Windows 10 Brightness Won’t Change Issue

Before performing any of the recommended troubleshooting steps listed below it’s best to restart your computer first. This action refreshes the operating system and remove any corrupt temporary data that could be causing the problem.

One issue that Windows users have experienced after getting software updates for their operating system is that the brightness remains at the maximum level with no way of adjusting it. This might not be a big issue for desktop users but for those experiencing this on their laptop it can greatly affect the battery life. Listed below are the troubleshooting steps you need to do to fix this problem.

Adjust the brightness from power options

  • Press Windows key + R to open the Run box. 
  • Type “powercfg.cpl” and hit Enter to open the Power Options menu.
  • Click on Change plan settings, then click on Change advanced power settings.
  • Scroll down to Display and hit the “+” icon to expand the drop-down menu. 
  • Expand the Display brightness menu and manually adjust the values.
  • You should also adjust the Dimmed display brightness, then make sure Enable adaptive brightness is turned Off.
  • Click the Apply button and the screen brightness should be adjusted to the values that you previously set.

Check if the Windows 10 brightness won’t change issue still occurs.

Adjust the brightness  from the Graphics Properties menu

  • Right-click on your desktop and choose Graphics Properties.
  • choose Advanced Mode and hit the Ok button.
  • Expand the Display menu and click on Color Enhancement. 
  • Use the Brightness slider from the right-hand side to adjust the brightness until you’re satisfied with the result.
  • Click apply to save your new brightness setting.

Check if the Windows 10 brightness won’t change issue still occurs.

Update the graphics card driver

If adjusting the brightness using both methods listed above does not work then you should try updating your graphics card driver as it might be outdated or corrupted.

  • Press Windows key + R to open up a Run command. 
  • Type “devmgmt.msc” and hit Enter to open Device Manager.
  • Expand the drop-down menu associated with Display adapters, right-click on your GPU and choose Update Driver (Update Driver Software).
  • Click on Search automatically for updated driver software and see whether the wizard manages to find a new version. If it does, follow the on-screen prompts to install it.
  • Restart your computer.

Check if the Windows 10 brightness won’t change issue still occurs.

Enable the Generic PnP Monitor

The problem could be caused by a bug that disables the Generic PnP Monitor. If this is what’s causing the problem then you should enable this.

  • Press Windows key + R to pop open a Run box. 
  • Type “devmgmt.msc” and hit Enter to open Device Manager.
  • In Device Manager, expand the drop-down menu of Monitors, right-click on PnP Monitor and choose Enable Device.
  • Restart your computer.

 Check if the Windows 10 brightness won’t change issue still occurs.

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