After rebooted the laptop, the new panel works fine but the brightness control is still not working. After hot swapped the panel, the new panel doesn't show any light at all. Hi, after using this method, when you reboot the laptop, is the brightness control still working ? However, Once I leave the brightness slider at a certain level and then restart my laptop, the brightness will be. I press the assigned buttons and the brightness slider moves but the brightness doesent increase or decrease. Now I cant adjust the brightness while I am using the laptop. Thanks again for all the suggestions, I appreciate it. I installed some recommend windows 11 updates last night. *EDIT* Do not attempt this fix with the laptop running as it is potentially very dangerous, instead swap LCD's only after disconnecting all power sources including battery(Thanks Brett928S2 for advice). New product announcement updates and exclusive online offers. Quick, secure access to your purchase history for warranty validation or insurance claims. Critical product support, upgrades, and alerts on topics such as safety issues or product recalls. If anyone is having a similar issue after replacing your LCD screen and you happen to still have the broken LCD panel, give this method a shot and remember to keep the laptop running when putting the working screen back in, just be careful. Otherwise, select an item to start building your Cart. So while the laptop was still powered on, I swapped the working LCD back in and now the brightness control is working properly. I swapped out the working LCD panel with my old broken one and booted up the computer, sure enough I was still able to control the backlight brightness properly, although there was no image I was still able to see the brightness changing. Windows updates are infamous for breaking things, and in the latest update, some users have also reported brightness issues in the latest Windows 10 20H2 update (Build: 19044).Okay so I was able to fix the problem, and in a very odd way. Brightness Issues In Windows 10 20H2 Update So, I hope this might have helped you out if your desktop’s or laptop’s brightness is not changing. You can check it by increasing and decreasing the brightness of your PC. Your PC will install the selected driver, and your Windows 10 brightness control issue will be solved. After updating to 22h2, the brightness indicators stopped working for me, they display, but there is no animation when the screen brightness decreases or increases and the brightness stays locked to the max or min. From the Show compatible hardware option, choose Microsoft Basic Display Adapter and click on Next to proceed to fix the Windows 10 brightness control not working issue. The brightness control does not work after updating Windows 11 22h2.If the above doesn’t work, repeat the above steps of opening Device Manager and updating the display drivers.įrom the How do you want to search for driver dialogue box, select Browse my computer for driver software > then select Let me pick from a list of device drivers on my computer.Here you can also go to your manufacturer’s website to manually check if there’s any driver update available. Now, you need to continue with the next step. If the Windows 10 brightness control issue still persists, it means that your graphics card manufacturer hasn’t provided any update.You will see the driver is installed automatically and a message that Windows has successfully updated your driver software message along with the details of the hardware.Now, your PC will use your internet connection to download the drivers that are necessary for proper functionality. Next, click on Search automatically for updated driver software.Select Update Driver Software from the menu to fix the Windows 10 brightness control not working issue.To check, open Run > Type dxdiag and press Enter > Go to display tab. Click on it to expand and right-click on the GPU that powers your display (internal or discrete). So far, these 4 factors have been identified as potential issues by the users. If there is a temporary glitch in the display drivers software, the brightness control slider won’t work. Open Start Menu > Type Device Manager and open it. Post the execution, reboot your computer and check if the Windows 10 slider not working issue is fixed with this or not.Most of the time, the Windows 10 brightness problem can be solved by simply updating the GPU drivers. If it doesnt work, Press Start then search Device Manager. Once removed, click the Scan for hardware changes icon. Be sure to also check the Remove driver option. A buggy GPU display driver living on your machine could be the reason why you’re unable to adjust brightness on Windows 10. In the Device Manager window, look for Monitors, then right-click your monitor and select Uninstall.
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