Brightness control slider not working issue fixed in Windows 10

Normally, brightness adjustment is done in the window settings or using the function keys on the keyboard. However, if the brightness control slider is not working, it could be due to outdated display drivers, or it could be some Windows updates that need to be installed, a hardware issue, or it could be something else. Let's try to solve this problem. In this article, we have a few ways to try and get rid of the brightness control not working problem. let's start!

The normal way to control screen brightness is as follows

Using Window Settings

Step 1 –Used togetherWindows I Key to open window settings

Step 2 –Click System

3rd Step – On the display page, there is a slider under Brightness and Color. If you drag the slider on the right, the brightness will increase, and if you drag the slider on the left, the brightness will decrease.

Adjust the brightness using the function keys on the keyboard

In the keyboard, you can see the function keys on the top row. It also has keys that can increase or decrease the brightness. Keys vary for each manufacturer. For example, my laptop has fn f9 (press fn key and f9 key) and fn f10 (press fn key and f10 key) keys to adjust brightness.

But if this brightness control doesn't work, then how do you change the brightness? Try the following methods to achieve it.

Method 1: Change Brightness Using Windows Quick Settings

Step 1 –Open Quick Settings, to do this change Windows A Keys together

Step 2 –On the right side you will find various options. At the bottom, you'll have the Brightness Slider drag it to adjust.

If the slider is not found or it is inactive, update the adapter driver as described below.

Method 2: Update the display adapter driver

Step 1 –Also use the Windows R key to open the run prompt

Step 2 –Type devmgmt.msc in the run prompt, and then press the Enter key. This will open the Device Manager window

Step 3 –Expand by clicking the arrow mark next to itDisplay AdaptersOptions

Step 4 –Right click on the Core Adapter, here I am using Intel. Then click Update Driver

Step 5 –In the window that opens, select Automatically search for drivers. Select the listed driver and update it

Step 6 – If you already have it installed best driver, please go back and click Browse my computer for driver

Step 7 –Select Let me choose from a list of available drivers on my computer

Step 8 –In the Model sectionSelectRequired Drivers and click Next

##Step 9 –Update driver, staying connected to the internet and not interrupting the process takes a few minutes

Step 10 –After the update, restart the system and check if the issue is resolved .

Method 3: Roll back to a previously installed driver

Step 1 –Also use the Windows R key to open Run prompt

Step 2 –Type devmgmt.msc in the run prompt, and then press the Enter key. This will open the Device Manager window

Step 3 –Expand by clicking the arrow mark next to itDisplay AdaptersOptions

Step 4 –Right click on CoreAdapter, here I am using Intel. Then click on Properties

Step 5 –Go to Drivertab

Step 6 –Then click the Rollback Driver button to return to the previously installed driver. Then check if the problem is resolved.

NOTE: If the Rollback Driver button is disabled, it means you have no previous driver to return to.

Method 4: Scan for hardware changes

Step 1 –Also using Windows R key to open the run prompt

Step 2 –Type devmgmt.msc in the run prompt, and then press the Enter key. This will open the Device Manager window

Step 3 – Right click on your computer Name , then click Scan for hardware changes

Step 4 –If any changes were made, it will be set back Default Settings

Step 5 – Restart the system and check if the issue is resolved and working properly

Method 5: Check for Windows Updates

Step 1 –Use the Windows I key together to open Window Settings

Step 2 –Click on Update & Security

Step 3 –On the right side of the Windows Update page, click the Check for Updates button

Step 4 –If there is any update available, it will be installed. Then see if the brightness slider works.

Method 6: Change Brightness Using PowerShell Command

Step 1 –Open PowerShell. To do this, press the Windows ## Step 2 – A User Account Control window will appear, click Yes

Step 3 –

To set the brightness level, change the following Command

copyandpasteinto the PowerShell window, then press theEnter

key

(Get-WmiObject -Namespace root/WMI -Class WmiMonitorBrightnessMethods).WmiSetBrightness(1,70)

You can Set the percentage range from 0 to 100%. In the above command, I set the brightness to 70%Method 7: Install Intel HD Graphics Driver

Step 1 –

Open a browser (any

browser

you use). Type Intel Display Driver for Windows 10

in the search bar (I am using a Windows 10 machine) and press Enter

Steps 2 –Click the Intel HD Graphics Driver for Windows 10 linkStep 3 –On the right, under Automatic Driver and Software Updates, Click the Get Started

button

Step 4 –In the support page, click on the applicable Intel driver and Support Assistant (Intel DSA) Download Now button #The downloaded .EXE file and click Run

Step 6 –

Agree to the license terms by clicking the checkbox below and click

Install button. After installation, it will automatically update the driver and the problem will be solved. ChatGPT China trial version click to enter: https://yundongfang.com/chatgpt.php

The above is the detailed content of Brightness control slider not working issue fixed in Windows 10. For more information, please follow other related articles on the PHP Chinese website!