How to adjust laptop screen brightness? 【Detailed explanation】

How to adjust the brightness of a laptop screen?

In fact, products with a brightness of 500 lumens and a contrast ratio of 600:1 or above can fully meet viewing needs. Excessive pursuit of brightness not only increases the power consumption of the TV, but also easily causes eye fatigue, which is not conducive to eye protection.

Next, let’s take a look at how to adjust computer screen brightness.

Step 1: Right-click a blank space on the XP system desktop and select Properties to open the [Show Properties] program.

Note: More ways to open display properties

Step 2: Click the [Settings] tab in the [Display Properties] program window that opens, and click on the Settings tab Find and click the [Advanced] button.

Step 3: Click the rightmost tab in the [Multiple Monitors and NVIDIA] window that opens, and find and click the [Start NVIDIA Control Panel] button in this tab Twist.

Step 4: In the [NVIDIA Control Panel] window that opens, click [Adjust Desktop Color Settings] on the left, and drag the brightness in the right window to the left. Dim the laptop screen, and drag to the right to brighten the laptop screen.

How to adjust notebook screen brightness in WIN7 system

Note: WIN7 system can directly use the Fn+brightness adjustment button to directly adjust the notebook brightness. The author of Computer Mutual Aid Network can adjust it on his own Shenzhou notebook. Yes, I haven’t tried it on other notebooks yet, so it should be possible. If you don’t know which Fn+ function key can adjust the laptop screen brightness, you can refer to the third adjustment method in this article.

Step 1: Use the shortcut key Start key + R key combination, type [powercfg.cpl] in the run window that appears and confirm to open the power option.

Step 2: In the power options that open, find the power plan you are using, and click [Change Plan Settings] behind the power plan you are using.

Step 3: In the open Edit Plan Settings window, in the Adjust Plan Height window, moving to the left will make it darker and darker, and conversely, moving to the right will make it brighter and brighter. They are the brightness adjustment of the laptop screen when using the battery and when the power is connected. After the final settings are completed, click [Save Changes] to take effect immediately.

How to adjust the brightness of the laptop screen

If the computer is generally running, sometimes it is impossible to adjust the brightness of the laptop screen.

Step 1: Restart the computer first. During the startup process, press F8 in XP system or WIN to enter the Windows advanced options menu interface.

Step 2: After entering this interface, find the function key [Fn] on the keyboard, then find the key with the small sun icon on the laptop keyboard, and then press the Fn key without releasing it. Then press the button with the little sun on itDirectly adjust, press it a few times and it will become brighter or darker.

Note: The function keys for adjusting the brightness of the notebook screen are located in the same position according to different brands. Some are directly on the up and down keys of the direction keys, some are on the left and right keys of the direction keys, and some are on F5. and F6, as well as in the F8 and F9 keys.

For example, the shortcut keys for adjusting the screen brightness of the Lenovo ThinkPad T430 laptop are: Fn+F8 to darken, Fn+F9 to brighten.

For example, the shortcut keys for adjusting the screen brightness of the Dell XPS 13 notebook are: Fn+F4 to darken, Fn+F5 to brighten.

Therefore, different laptops have different shortcut keys, but the key combinations are all Fn+adjustment keys.

When you are looking, you can search among the F1~~F12 keys, the four direction keys, Home, End, Page up, and Page Down. If you are really in a notebook, If you can’t find the little sun icon on your computer keyboard to adjust the screen brightness, just try it one by one. Anyway, you can try it out directly. It will definitely not damage the laptop. At most, it will just turn off or turn on some functions.