Adjust screen brightness of Windows 7 on PC, laptop

Computer screen brightness, laptop affect your eyesight and laptop battery life. Therefore, you should adjust the screen brightness of your computer and laptop accordingly. Although the adjustment increases the brightness of the computer screen, the laptop is quite simple but not everyone knows. In the article below, Network Administrator will guide you 3 ways to adjust screen brightness on Windows 7.

The following article shows you how to adjust the screen brightness of Windows 7 . If you are using a Windows 10 computer, and you want to adjust the computer screen brightness to protect your eyes and extend laptop battery life, you can refer to the steps in the article below.

1. Tutorial 4 ways to adjust the screen brightness of Windows 10
2. Enable / disable the Windows 10 screen brightness control feature

1. Using the Brightness slider (on Laptop)

Note: This method is only applicable on Laptop

Step 1: Click to select Power Options icon in the system tray (System Tray). This icon is like a laptop battery icon. If the Power Options icon is not displayed on the system tray, on the Start Menu, open Control Panel , then select Power Options.

Step 2: Click the Adjust screen brightness link to open the Power Options window.

Step 3: Adjust the screen brightness as you like on the slider at the bottom of the screen. You can adjust the screen brightness down to extend your Laptop battery life.

2. Restore lost Brightness Slider (on the laptop)

Step 1: Click to select Start Menu then enter .devmgmt.msc on the Search frame, then press Enter to open Device Manager. In Device Manager you can control and adjust all hardware installations on your laptop. Missing Brightness Slider slider may be due to software error or Driver error, you can control on Monitor.

Step 2: Expand Monitor. On the screen you can see a list of different items including Disk drives, Display adapters, Keyboards (keyboards) . Click the arrow next to expand Monitor.

Step 3: Right-click Monitor select Properties .

Step 4: Click the Driver tab .

Step 5: Click the Uninstall button. Now a new window will appear, in this window, check the box Delete the driver software for this device and then click OK to confirm.

Step 6: Wait a few minutes to uninstall the Driver. This process will take several minutes. After the driver has been removed, the Device Manager list will be refreshed. You should now see the Monitor item disappear.

Step 7: Click the Scan for hardware changes button in the corner of the same Device Manager. This is a small square button with an image of a magnifying glass in front of the computer icon. Click this button to scan for new hardware installed on your system (or in your case, the driver does not have Driver installed).

Step 8: Confirm Monitor is displayed again on the list. After Device Manager scans the changes, it automatically reinstalls the basic Microsoft Driver on your screen to reactivate the Brightness Slider sliders.

Step 9: Restart your computer.

Step 10: After your computer has restarted, click on Power Options in the system tray to find the restored Brightness Slider slider to adjust the screen brightness.

3. Use f.lux to adjust Monitor (for both Laptop and computer)

Step 1: Download the software f.lux. f.lux is a program that automatically adjusts colors based on the time of day and lighting in your room. The program can adjust your screen brightness easier to see at night. Download F.lux to your device and install it here.

Step 2: After downloading f.lux, double click on the installation file to install the program.

Step 3: Choose your location. f.lux uses your location to automatically switch colors on the screen when the sun rises and the sun sets in the area you live in.

Step 4: Choose the light in your room. Notify f.lux what kind of light you have to allow to make the colors on the screen to program the light in the room. This makes the screen less harsh at night, but normal during the day.

Step 5: Update your graphics card driver if f.lux is not working properly. This is the easiest way to fix most errors that may occur with f.lux.

You can refer to some of the following articles:

1. How to disable / enable Windows Firewall in Windows 7, 8
2. How to switch to Vietnamese interface for Windows 7
3. 2 steps to open virtual keyboard in Windows XP / 7/8 / 8.1

Good luck!