display brightness windows 10 not working

If you do Fn + Right key the brightness increases. Simultaneously pressing the Fn + left arrow key reduces the brightness. Acer laptop screen brightness keysĪcer laptops use a combination of the Fn key and the left and right arrow. When you have correctly pressed the keys, a bar appears to show you how high or low the brightness is. On the Lenovo ThinkPad the keys are Fn + Home key and Fn + End keyįn + Home Key will increase the amount of light The first one being the Fn + F2 or F3 to decrease light and the second one Fn + F9 or F10 to decrease or increase the brightness respectively. HP Laptops Control HP Elite book screen brightnessĭepending on the model that you are using, HP has two sets of combinations. On some dell models the combination uses the up and down arrows. So you can use either of the key combination until the laptop brightness is close to the environment you are working in. This works on most of the dell inspiron, XPS, alienware and Precision line of computers that I have used and repaired.įn + F4 reduces the brightness of the screenįn + f5 increase the brightness of the screen

If you are using a dell laptop, you can easily change the screen brightness by pressing the Fn key and F4 or F5.

How to adjust screen brightness with key combinations Computer Brandĭell Laptops screen brightness keys adjust dell latitude brightness Note: If you already know how to increase and decrease the brightness but the brightness control is no longer working scroll down to Laptop brightness control not working section near the end of the article The fastest way to adjust screen brightness will be to use the keys below.

Display brightness windows 10 not working