Would there be any potential fixes on this issue? All fixes that I found were outdated(2015) and not working. Go to Control Panel > System and Security > Power Options and check that your power options arent affecting the brightness. I found out that if I turn on my auto adjustment and reboot, my surface book auto adjust brightness once as it boots up. Most commonly this Brightness control not available problem happens due to the unavailability of a correspondence driver. This problem makes my computer way too dark, or bright, making it hard to see, hurting my eyes, draining batteries, etc. These are few stuff I have tried to fix:ĭevice manager -> update display driver/change it to Microsoft Basic driverĭevice manager -> change Surface Monitor to PNP basic monitor After an update(I believe), even I change my brightness, it does not affect on my screen. The value can adjust but the display is stuck at a certain brightness, there. Try to adjust the brightness from the Display Settings/Windows Mobility Center (See Figure.2). Try to using FN + up/down key (F2/F3) to adjust the brightness. Head to Display Adapters and click the arrow beside to expand the menu. At that time, you can not increase or decrease the brightness in the following ways: Figure.1 Device Manager. Here’s how to do this manually: Open Device Manager from the Start Menu. I am aware of keyboard shortcut and menu pop up to adjust brightness, and how to turn off auto adjustment of brightness. Method 1: Update Display Adapter Drivers The first and the foremost ways to fix the brightness control not working on Windows 10 is by updating the Display Adapter. Neither did reinstalling it.I am an surface book user, (yeah, this is surface subreddit) and I have a problem with brightness control. Adjust screen brightness not working in Windows 8.1 is. I thought it might be when I installed the AMD driver, but I tried uninstalling it and it didn't help. Note: This solution also worked in Windows 7, Windows 8, Windows Vista, Windows 8.1, and Windows 10. To find out if your PC supports this, select Settings > System > Display. I'm not sure if the brightness settings ever worked after the Windows 10 reinstall, and if they did, I do not know at what point they stopped working. There are no brightness settings in the control panel power settings, and when I click the battery icon on the taskbar (Windows 10), the brightness option is grayed out! The Windows Mobility Centre brightness control allows me to move the slider but there is no actual change in brightness. One of the major reasons why you are unable to adjust the brightness on Windows 10 is because of some problem in the display drivers for the GPU. Not only do they not work with the keyboard, I also cannot adjust the brightness any other way. Try to adjust the brightness on Windows Setting again. After reboot, you should only see one entry under Monitors. After installing the Function Key Desktop App every single one of the Fn keys worked without pressing the Fn button, apart from Brightness Up and Brightness Down, which didn't work at all with or without the Fn key. Please follow the below steps: Open the Device Manager on your computer. Straight after the Windows 10 reinstall, the Fn keys (volume, flight mode etc) worked when I held down the Fn key, which wasn't what I wanted. 2.) Disabled and enabled the display driver, it did not work. I have since reinstalled the AMD graphics driver, the Toshiba Function Key Desktop App, The Toshiba Value Added Package (this only gave me the battery manger and the PC diagnostic tool), so I then manually found and installed the Toshiba System Settings and the Toshiba HWsetup Utility. 1.) Updated the display driver as suggested, it did not work. sucks i have to use windows for this stuff. I recently reinstalled Windows 10, and so lost all of the Toshiba software that came with the laptop. I am facing the usual problem with brightness control that has been.
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