Adjusting screen brightness can also be useful to save batteries (in the case of laptop use).It is usually a function key marked with the sun logo, located at the top of the keyboard, most laptop keyboards have shortcut keys that can quickly adjust brightness. If you are using a laptop, you can adjust the screen brightness in the following ways. Change the screen brightness using hotkeys. To use a personal picture as a background, save the picture in a file format with one of the following extensions. To change the Desktop image, select one of the standard backgrounds, or click Browse and navigate to a picture stored on the computer.If you are searching for How To Reduce Brightness In Hp Laptop With Function Key, simply will check out our links below. About How To Reduce Brightness In Hp Laptop With Function Key. How To Reduce Brightness In Hp Laptop With Function Key.