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 dim my screen?
How to adjust your screen brightness on Android
- Swipe down from the top of the screen to reveal the Notification Shade. Depending on which Android phone you have, you may have to swipe twice.
- Tap and hold the brightness slider.
- Drag the brightness slider to your desired brightness.
- Release the slider.
13 Jul 2016
Why is my laptop display so dim?
Sometimes when your computer screen is faint, or the screen brightness is too low even at 100% and/or the laptop screen is too dark at full brightness, it is most likely caused by low voltage at the LCD inverter. In such cases, then, you may have to replace the inverter.18 Feb 2018