How to control the brightness of your computer in Windows 7

How to control the brightness of your computer in Windows 7
How to control the brightness of your computer in Windows 7
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To save battery power or to work in comfort, you can increase or decrease the brightness of your laptop in Windows 7. Most desktops use an external monitor and the brightness can only be adjusted with the physical buttons on the monitor or with the brightness slider.

Steps

Method 1 of 2: Use the brightness slider

Control the Brightness of Your Computer With Windows 7 Step 1

Step 1. Click the power options icon

It's the stack icon at the bottom right of the screen.

  • You may need to click on .
  • If you don't see this icon anywhere at the bottom right of the screen, open the menu To start up then click on Control panel.
Control the Brightness of Your Computer With Windows 7 Step 2

Step 2. Click Adjust screen brightness

This link is at the bottom of the pop-up window. Click on it to open the power options menu.

  • If you go through the control panel, click on Power options.
Control the Brightness of Your Computer With Windows 7 Step 3

Step 3. Drag the slider left or right

The cursor Screen brightness is at the bottom of the window. Drag it to the left to decrease the brightness of your laptop screen and to the right to increase it.

  • If you don't see the cursor Screen brightness at the bottom of the power options window, you'll need to restore it before you can adjust the brightness of your laptop.

Method 2 of 2: restore the brightness slider

Control the Brightness of Your Computer With Windows 7 Step 4

Step 1. Open the Start menu

Windowswindows7_start

Click on the Windows logo at the bottom left of the screen.

Control the Brightness of Your Computer With Windows 7 Step 5

Step 2. Type device manager

Windows will search for Device Manager on your computer.

Control the Brightness of Your Computer With Windows 7 Step 6

Step 3. Click

Windows10devicemanager

Device Manager.

It should appear at the top of the window To start up. Click on it to open the device manager.

Control the Brightness of Your Computer With Windows 7 Step 7

Step 4. Expand the Monitors category

Click on to the left of the header Monitors.

You may need to scroll down to find this option

Control the Brightness of Your Computer With Windows 7 Step 8

Step 5. Select the monitor under the Monitors category

Under category Monitors, you should see the name of a monitor. Click on it to select it.

Control the Brightness of Your Computer With Windows 7 Step 9

Step 6. Go to the Action tab

This is one of the tabs at the top of the Device Manager window.

Control the Brightness of Your Computer With Windows 7 Step 10

Step 7. Click Properties

This option is at the bottom of the drop-down menu Action. Click on it to open the properties of your monitor.

Control the Brightness of Your Computer With Windows 7 Step 11

Step 8. Go to the Driver tab

This tab is at the top of the properties window.

Control the Brightness of Your Computer With Windows 7 Step 12

Step 9. Choose Uninstall

The option Uninstall is located at the bottom left of the window.

Control the Brightness of Your Computer With Windows 7 Step 13

Step 10. Wait for the driver to be uninstalled

The process will only take a moment. Once the driver is uninstalled, the device manager list will be refreshed and you will notice that the category Monitors will have disappeared.

Control the Brightness of Your Computer With Windows 7 Step 14

Step 11. Click Scan for Hardware Changes

It's the square, monitor-shaped button at the top of the Device Manager window. Click on it to reinstall and update the driver you just removed.

Control the Brightness of Your Computer With Windows 7 Step 15

Step 12. Make sure your monitor appears in the list again

Once Device Manager finishes checking for changes, it will automatically reinstall the Microsoft Basic Driver for your monitor. The brightness slider should be available again.

Control the Brightness of Your Computer With Windows 7 Step 16

Step 13. Restart your computer

This step probably won't be necessary, but it won't cost you anything and you don't have to do it later.

Control the Brightness of Your Computer With Windows 7 Step 17

Step 14. Try to adjust the brightness

After restarting your computer, click the power options button on the taskbar to find the restored brightness options.

If you still don't see the brightness slider, it may be because your graphics adapter doesn't support it. You can try updating your graphics card drivers or upgrading Windows 10

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