The unavailable volume keys can be a kind of Function keys not working issue, So how can you turn the volume buttons back on Windows 10, 8, 7?Īt the very beginning, you must make sure the hardware are in good condition. Nevertheless, sometimes, the volume shortcut keys stop working for unknown reasons, which makes you confused.
In respect of the volume keys, people would like to use Fn+ Fx (x may be 1-12) to decrease the volume and press Fn+ Fx to increase the audio volume. Keep reading Tweak Library for more such content.Windows Function keys can perform some special actions, such as changing audio volume, brightness or hardware features. You can try them out and let us know if you have any queries or suggestions. If in case, this doesn’t fix, there are other ways listed in the article. Conclusion:Īlthough updating the display driver using either manual method or using Smart Driver Care will fix the error of brightness not working. This should solve your problem of brightness not working.
Then set FeatureTestControl DWORD’s value data to 0000ffff. Click System > ControlSet001 > Control. Open Run window using Win+R keys together. Type in regedit to open Registry Editor. To continue updating the registry, follow the steps below: If not done correctly, serious problems may occur. Note: Please note that updating Registry involves serious changes to your PC. Last method in our guide to fix brightness not working on Windows is through Registry update. Now, head to the Action tab at the top of the Device Manager. Right-click on it to check if it is enabled. Now, type in devmgmt.msc to open the Device Manager on Windows. 
Open the Run window by pressing Win+R key together. If the last method doesn’t work, you can try enabling the PnP monitor. Change the available options to the desired settings. On the new window, click on Display to open further options. Then, click on Change advanced power settings. On the next screen, you’ll see Change plan settings highlighted in blue colour. From the Start menu or Search box, open Control Panel. To enable Adaptive Brightness on Windows, follow these steps below: To know more read the full review of Smart Driver Care Method 2: Enable Adaptive Brightness Not only this, Smart Driver Care gives you the ability to backup and restore backed up drivers in case something happens accidentally. Or you can choose any particular driver and click on Update Driver located beside it. Click on Update All to update all of them at once. You’ll then see a list of corrupted and outdated drivers. Click on it and wait for the scan to finish.
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