Troubleshooting When Adjusting Brightness Additionally, it’s important to remember to turn down the brightness when you’re not using the computer, as this will help conserve battery life. This will help you find the perfect balance between eye strain and battery life. When adjusting the brightness of your screen, it’s important to remember to adjust it in small increments. This will open the brightness control window, where you can adjust the brightness of your screen. To adjust the brightness of your screen, simply press the Windows key and the “+” or “-” keys. How to Adjust Brightness Using Keyboard ShortcutsĪdjusting brightness using keyboard shortcuts is a quick and easy process. The brightness control can be accessed by pressing the Windows key and the “+” or “-” keys. This is especially useful for those who are trying to reduce eye strain or conserve battery life. The brightness control is a feature built into Windows 10 that allows users to adjust the brightness of their computer screen. This article will explain how to use the keyboard shortcuts to adjust brightness in Windows 10. Whether you’re trying to reduce the strain on your eyes or just want to save battery life, the process can be completed in just a few steps. How to Adjust Brightness in Windows 10 Using Keyboard ShortcutsĪdjusting brightness in Windows 10 is an easy task, especially if you use the keyboard shortcuts. Drag the Adjust brightness level slider to the left to decrease the brightness of the display.Use the arrow keys to select System and then press Enter.Press the Windows logo key and I key at the same time to open the Settings window. It is also useful when you have reinstalled Windows on your laptop or tablet.To reduce brightness in Windows 10 using a keyboard, use the following steps: Using the Registry tweak method described above, you can quickly modify the screen brightness settings in your production environment. Repeat these steps for all power schemes you want to modify and you are done.In my case, they are set to 90% and 50% respectively. On the right, modify or create the following 32-bit DWORD valuesĪCSettingIndex - specifies the screen brightness level in decimal from 0 to 100 when plugged in.ĭCSettingIndex for - specifies the screen brightness level in decimal from 0 to 100 when on battery.Tip: If you are getting the following error message "You do not have the requisite permissions to create a new key", run regedit.exe using ExecTI. If you don't have such a key, you need to create it. Substitute the 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c with the appropriate value you got in the step 3. See how to go to a Registry key with one click. Go to the key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\User\PowerSchemes\8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c.For example, the GUID of the High Performance power scheme is 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c. Note the GUID of the power plan for which you want to change the screen brightness.In the output, you'll see GUIDs for each available power plan.Open an elevated command prompt and type or copy-paste the following command: powercfg /L.To change the screen brightness with a registry tweak, do the following. The brightness level can be modified per each power plan. It is possible to change the screen brightness with a Registry tweak. For example, the software brightness settings which directly alter the display's backlight may not work if you have an old CRT monitor. Also, you may need to update your display drivers. For the method described below to work, you need to have a display with the appropriate hardware support. Note: While most portable devices like laptops or tablets support changing the brightness of the screen out of the box, most Desktop PCs come without this ability because the display hardware has its own brightness control. How To Change Screen Brightness in Windows 10 I've covered them in the previous article: There are a number of ways to change the screen brightness in Windows 10 without using a Registry tweak.
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