What should I do if the brightness of the win7 computer screen cannot be adjusted

Here's how to deal with it:

1. You can't adjust the brightness, that's because your computer has installed the win7 ultimate version and the power option management driver is not driven.

1. Check the driver: Check whether the graphics card driver and shortcut key driver are not installed (note: the notebook cannot adjust the screen brightness, generally because the shortcut key driver is not installed), and the driver can be updated by using the hardware detection function of the computer manager.

3. Check the hardware: If it is a desktop, it is recommended to check the cable to see if it is loose, and then open the monitor menu to restore the default. If it still doesn't work, delete the graphics card driver and try reinstalling it.

The reason is that your graphics card is an nvidia graphics card, and the brightness adjustment function is integrated into the graphics card control panel

Materials required: NVIDIA graphics card, Win7 system computer.

First, click the "win key" in the lower left corner of the desktop, and click "Control Panel" in the pop-up menu.

2. After opening the control panel, find "NVIDIA Control Panel" and click to open.

3. In the graphics card control panel, click "Adjust Desktop Color Settings" on the left navigation bar.

4. Click "Use NVIDIA Settings" on this page, then drag the brightness bar at the bottom, and click "Apply" in the lower right corner when you reach the desired brightness, and the operation is complete.

If you're on a laptop, you can right-click and then tap on the settings screensaver to adjust the brightness of the screen. If not, do the following:

How to adjust the screen brightness in Win7.

1. First click the start menu in the lower left corner of the computer to open the control panel.

2. Then in the control panel that opens, select "System and Security" and click to enter.

3. Then in the page that opens, select "Power Options" and click to enter.

4. Finally, in the page that opens, move to adjust the brightness of the screen, it is recommended to adjust the appropriate brightness.

Windows 7 is an operating system developed by the company Microsoft. Windows 7 can be used in home and business work environments, laptops, tablets, multi-centers, and more.

Microsoft officially released Windows 7 in the United States on October 22, 2009 and China on October 23, 2009, and Windows 7 SP1 (on February 22, 2011). Windows 7 also released a server version, Windows Server 2008 R2.

For notebooks, the keyboard can be adjusted. For desktop ones, press the buttons of the monitor directly.