How do you change the brightness on a laptop?
On some laptops, you must hold down the Function ( Fn ) key and then press one of the brightness keys to change the screen brightness. For example, you might press Fn + F4 to decrease the brightness and Fn + F5 to increase it.
How do I brighten my HP laptop screen?
Locate the Fn key on your HP Pavilion keyboard. Look at the F keys at the top of the keyboard, and locate the key that has the symbol of a sun and an up arrow. This is usually either F7 or F8. Press and hold the Fn key, and then simultaneously press the F key to brighten the screen.
How do you fix a dim laptop screen?
- Restart the computer.
- Use function keys to turn the LCD screen backlight on (Windows 7: Fn+F2, Windows 8/8.1/10: F9. For Yoga 3 Pro, press Fn + ` (grave key)).
- Adjust brightness. Adjust the refresh rate.
- Check the LCD cable. Slowly close the laptop.
- Update drivers for the graphics card.
- Reset the power.
Why can’t I adjust the brightness on my laptop?
Go to settings – display. Scroll down and move the brightness bar. If the brightness bar is missing, go to control panel, device manager, monitor, PNP monitor, driver tab and click enable. Then go back to settings – dispay and look for the brightness bar and adjust.25 Aug 2015