Tochange the brightness of your screen, click the system menu on the right side of the top bar and adjust the screen brightness slider to the value you want to use. The change should take effect immediately. Many laptop keyboards have special keys to adjust the brightness. These often have a picture that looks like the sun. Thisis How to Adjust JVC TV Brightness to turn down the intensity of the screen or backlight and save on power. Website: Level17. 05-13-2018 12:58 AM. If your laptop has a backlit kbd it will be one of the F keys at top of kbd and will have an icon on it indicating it. Usually the F5 key. **Click Accept as Solution on a Reply that solves your issue**. ***Click the "YES" button if you think this response was helpful.***. 1Answer. That laptop only has white backlight. If you want custom colors, look for a laptop with "RGB backlighting". Note, these laptops are generally gaming laptops. You dont have to reject the edits, there is an approval process. ofyour keyboard (3-level) • FN+Down arrow: Decrease the LED brightness of your keyboard or turn it off • FN+Right arrow: Increase the speed of the colors cycle • FN+Left arrow: Decrease the speed of the colors cycle • FN+W: Change WASD to arrow keys • FN+Windows: Disable/Enable the Windows key sSmnj.

how do i adjust the backlight on my tv