Hold down the Fn key (next to the CTRL key) - and press either F6 or F7 to change the brightness. Release both keys when you have the desired level. The screen will retain the level until you want to change it again.
Some laptops have a default setting which alters the brightness of the screen based on the lux of its immediate environment. This can usually be disabled in the BIOS. Sometimes the laptop has serval Power manager setting, the screen change brightness in the different setting, when useing battery, when using adapter , the brightness change.
Your screen might not support brightness. If you are on a desktop PC or using a monitor try the buttons on the front to alter screen brightness
Push the Fn (Function) key which is at the bottom left of the keyboard next to the Ctrl (Control) key and then push the up or down arrow to change the screen brightness
Change the brightness of the screen sometimes works.
Check for buttons on the edges of your screen, one of them should be for changing the brightness.
by pressing f1 for darkness and f2 for brightness that's if you have a imac computer
Yes you can, just change the screen brightness to what is suitable for you.
Go to settings and personalize your computer.
Flickering maybe caused by excess heat, try changing the battery change and reduce screen brightness to a minimum.
first go to help & options on the minecraft xbox title screen then go to settings then graphics then you can adjust your gamma (Brightness)
A physical change
Do you mean your screen? If you mean it this is how you do it: Look at your keyboard Look at the very top of your keyboard You'll see a small sun (on your left) and a bigger sun (on your right). You'll see both suns on the left side of your computer (at the top) Now, to increase the brightness: The smaller sun is to decrease the brightness. The bigger sun is to increase the brightness. Hope this works for you!