Then restart the system and let it auto-reinstall and it will shown up. You could open Control Panel and uninstall both the Display Driver and the Monitor Driver. Toggle the Change brightness automatically when lighting changes switch to On or Off to enable or disable auto screen brightness on. Open the Settings app, go to System > Display, Scroll down to find it to change the Brightness Level. First, you need to access Windows Settings by going to Start and click the Gear icon (or by using Win + I shortcut key). How to fix the brightness slider missing in Windows 10 You might not see the Brightness slider on desktop PCs that have an. * Right click on it to enable the device and then everything works fine. Select Brightness, look for the Change brightness automatically when lighting. You should find that most of items under Monitors are likely disabled * Double click on the Monitors optioon to expand the items. Surface Books are PCs that come with a 'standard version' of Windows 10 Pro pre-installed (that standard version, like any other laptop, includes all of the necessary. I didn't charge fully before I started using the machine for first time. Today after waking up I am not being able to switch on the machine. after all drivers updated your surface book will have full functionality. Last night I went to sleep putting my new surface pro 4 in charging. Or you can right click on Start menu and choose it from there. you can even install a standard version of windows into a surface book. * From your desktop, click on the Start menu and type Device Manager into the search bar, and select it from results. How to fix Missing brightness Icon in the action center on Windows 10

However, I noticed that the related Icon in the action center disappeared and the slider was also missing after my Surface Pro 3 upgrading to Windows 10 Pro. That become unbelievably while you can also long press or right click on the sun icon in the Actions Center to make changes quickly. The brightness slider is useful for adjusting the level in the charms menu of Windows 8.1/8, and has been replaced by a toggle to swap between 25%, 50%, 75%, and 100% in brightness settings of power options in Windows 10.

Surface pro 4 brightness not changing