![]() However, both passes ended on a positive note. I ran the two-phase diagnostics on my HP notebook to see if it shows any hardware issue.Upon restart, the system continued to work with low screen brightness. ![]() I went to the Intel website and downloaded the latest display driver for my notebook.So, we know that the registry was healthy. All files and registry state showed no issues under the integrity checks. ![]() I tried to validate the integrity of the registry using sfc /scannow command.Screen brightness remained low and unresponsive to the screen brightness controls. Generic drives for display and monitor were added and the system was restarted. From the device manager, I uninstalled the display adapter and monitor from the Windows 11 insider build 25314 computer.Nothing changed and it appeared that the ‘Screen brightness’ function key was unresponsive. I tried to use the ‘Screen brightness’ function key on my notebook.Nothing changes and the screen brightness remained low. Before doing anything else, I used the ‘Screen brightness’ slider to turn on the brightness to the highest level.However, none of these steps helped in restoring screen brightness on Windows 11 insider build 25314. Troubleshooting of screen brightness on Windows 11 insider build 25314Īll the suggested troubleshooting steps were carried out as per the instructions below. Finally, a fix was applied to get the Windows 11 insider computer back to a working level.All the troubleshooting steps shared below failed to resolve the screen brightness issue on Windows 11 insider build 25314. ![]()
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