How to Fix Brightness Not Working in Windows [2022]

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How to Fix Brightness Not Working in Windows [2022] – Brightness or if interpreted in Indonesian is brightness. It is an important part of our device and we must adapt its use. The goal is that when we do activities for a long time in front of a laptop or computer screen, our eyes will be comfortable and not tired easily.

How to Fix Brightness Not Working in Windows
How to Fix Brightness Not Working in Windows

The level of screen brightness or computer brightness required will vary depending on room conditions and the ability of your eyes. The main priority is to keep your eyes comfortable. For example, when in dark conditions, our eyes are certainly more comfortable using a dim screen.

Ways to Fix Brightness Not Working in Windows [2022]

On the other hand, if the condition of the room is bright or you are outside, it will certainly be more comfortable to use a brighter screen. Unfortunately, sometimes problems arise with this feature so that we cannot adjust the brightness of the computer or laptop screen.

Cause Windows Brightness Can’t Be Adjusted

The reason why you can’t adjust the brightness on your laptop or computer monitor screen, there are various possible things. Starting from the most common cause is the system or software on the computer, and rarely is caused by device hardware.

Well, here are some details of the cause of the brightness can not be adjusted:

  • VGA driver is not installed.
  • There is a bug in VGA.
  • System bug.
  • Got a virus.
  • The monitor screen is broken.
  • Motherboard problem.
  • And so forth.

How to Overcome Brightness Can’t Be Adjusted

How to solve the brightness can not be adjusted? Other causes are also solutions, that’s why you should read the review below until it’s finished. Because we will share ways to overcome brightness that cannot be set on a Windows 10 laptop or PC.

Make sure you have installed the VGA driver

The VGA driver has functions to process images, run the screen display, and adjust the screen display. The first thing you need to make sure is that you have installed the VGA driver on your laptop or computer. If not, then don’t be surprised if the brightness feature can’t be used.

Usually, cases of uninstalled VGA drivers occur after you reinstall the operating system. Try it, you make sure whether the VGA driver on your device is installed or not. Here’s how:

  1. First, please open the Run window by pressing the Windows + R combination key.
  2. After that type dxdiag then press Enter.Make sure you have installed the VGA driver
  3. If so, select the Display menu.Make sure you have installed the VGA driver
  4. Then information about the VGA driver on your laptop or PC will appear.

The next thing you need to do is reinstall the VGA driver if the VGA driver on your device is not installed. Here’s how to do it:

  1. Look for the DVD graphics driver that comes with your computer or laptop.
  2. After that, insert the DVD into the DVD drive.
  3. After that, burn the DVD using the application you normally use.
  4. Then look for a file called Graphics VGA from the type of your graphics, whether it’s Intel, AMD, or NVIDIA.
  5. Open the file, then look for the installer application.
  6. Finally, do the installation as usual.

If you don’t have a built-in graphics DVD, you can use a flash drive that contains a VGA driver, or you can also download the VGA driver through the official website.

Reinstall VGA Driver

The second way to deal with brightness not working, if your laptop or computer has a VGA driver installed, is to replace the VGA driver. This aims to eliminate bugs or errors in the VGA driver.

Please uninstall the VGA driver first in the following way:

  1. First, please type This PC in the Windows search field.
  2. After the results appear, please open it by clicking Properties.Make sure you have installed the VGA driver
  3. If you have, then you will be taken to a new window, please select Device Manager.Make sure you have installed the VGA driver
  4. Next, select Display Adapter and right-click on the VGA driver that appears. Then Click Uninstall Device to remove the driver. Please see the explanatory image above.
  5. After that, just follow the directions given.

When finished, you have to reinstall the VGA driver into your laptop or computer. How to do it is more or less the same as the steps in the first method. Also, make sure that you install the latest version of the VGA driver so that there are no more bugs or errors.

Update Driver Software

The next alternative to solve the brightness not working is to update the driver software. This is suitable for those of you who don’t want to reinstall the drivers on your device. The purpose of doing this is almost the same as reinstalling the VGA driver, namely to eliminate errors and bugs.

After you update your software driver, the VGA driver will also be fresh and of course newer. So, to do this, please follow these steps:

  1. Open a Run window by pressing the Windows key + R combination.
  2. Once open, please type devmgmt.MSC then click OK.Make sure you have installed the VGA driver
  3. If so, you will be taken to the device manager menu, in this menu, please select Display Adapter by pressing the arrow next to the text.
  4. After that VGA will appear on your laptop or computer, please right-click and select Update Driver Software.
  5. Then select the  Search automatically for the updated driver software option.Make sure you have installed the VGA driver
  6. Follow the next process listed on the screen until it’s finished.
  7. If so, please restart your laptop or computer.

VGA Driver Rollback

This fourth tip is still related to overcoming bugs and errors in the VGA driver. Besides you reinstalling and updating, you can also do a rollback. The intent is to roll back the driver version to an older version. Because it could be that the older driver runs normally without any problems.

Or simply, the latest version of the VGA driver or the one installed on your laptop and computer is not perfect. Yes, even though it’s a new version, sometimes it even brings errors and bugs so you can’t adjust the brightness. So try to do a driver rollback.

Here’s how to fix brightness not working with the rollback VGA driver:

  1. Open a Run window by pressing the Windows key + R combination.
  2. Once open, please type devmgmt.MSC then click OK.
  3. If so, you will be taken to the device manager menu, in this menu, please select Display Adapter by pressing the arrow next to the text.
  4. After that VGA will appear on your laptop or computer, please right-click and select Properties.Make sure you have installed the VGA driver
  5. Then go to the Driver tab and click  Roll Back Driver.Make sure you have installed the VGA driver
  6. Wait a moment until the process is complete.
  7. After that, restart the device as usual.

Reboot VGA Driver

Because most of the causes of brightness not working are related to the VGA driver on your laptop or computer. So, you can also try this method to solve problems with the VGA driver if an error occurs or there is a bug.

Here’s how:

  1. Please open the Device Manager.
  2. Click the arrow on Display Adapter.
  3. Then right-click on the VGA driver that appears.
  4. Next, please click Disable.Make sure you have installed the VGA driver
  5. Wait until the monitor shows a sign that it is Disabled. Usually, the monitor will flash.
  6. If so, please right-click on the driver and select Enable.
  7. Restart your laptop, then try adjusting the brightness on your device.
  8. Done.

Try Enable Generic PnP Monitor

PnP ( plug and play ) allows you to use hardware devices such as monitors without requiring you to install drivers. Maybe this method can be tried to overcome the brightness not working by activating the PnP of this monitor, then with this the monitor will be recognized by Windows and brightness can work again.

Well, here’s how to do it:

  1. Open a Run window by pressing the Windows key + R combination.
  2. Once open, please type devmgmt.MSC then click OK.
  3. If so, you will be taken to the device manager menu, on this menu, please select Monitor by pressing the arrow next to the text.
  4. Next, right-click on  Generic PnP Monitor, then click  Enable device.Make sure you have installed the VGA driverMake sure you have installed the VGA driver
  5. Done, please restart the device to apply the settings. Then try adjusting the brightness on your laptop or device.

Turn off Power Saver

Especially for laptop users, sometimes you unconsciously activate the Power Saver on your laptop, thus making the brightness feature adaptive, adjusting the screen brightness automatically and you can’t adjust the brightness manually.

So, the solution is to turn off this feature. Here’s how:

  1. First, please type Control Panel in the Windows search menu.
  2. Then open the search results.
  3. After entering the main Control Panel page, please select Hardware and Sounds.
  4. Next, please select Power Options.
  5. Please change the setting to Balanced or High Performance. Just adjust it to your needs.Make sure you have installed the VGA driver
  6. Or if you want to save laptop battery, you can set it manually by selecting the Change Plan Settings option.

Reset Registry Files

The registry is a system database that stores many configuration settings in Windows, either from applications or programs. One of the functions of the registry is to adjust brightness, so it can be concluded that one of the causes of brightness not working is due to registry errors and inappropriate settings.

To fix this, please reset the registry brightness in the following way:

  1. Open a Run window by pressing the Windows key + R combination.
  2. After that type Regedit in the Open section, then click OK .Make sure you have installed the VGA driver
  3. If you have entered the Regedit menu, then open the HKEY_LOCAL_MACHINE file then  SYSTEM.
  4. Then go to ControlSet001  then  Control.
  5. Then open Class  then  {4d36e968-e325-11ce-bfc1-08002be10318}  >  0000 .
  6. After that, please find the brightness registry named  KMD_EnableBrightnessInterface2, then double click it.
  7. Please change the value to  0.Make sure you have installed the VGA driver
  8. Then for the  Base setting, please set it to  Hexadecimal.

Addendum: If your device has more than one regedit, then you have to set all of them to 0.

Update Windows

Maybe there are still many of you who don’t know that some versions of Windows systems sometimes contain some bugs in them, such as drivers not running and brightness problems not working as discussed this time.

So, to solve this problem please do a Windows update in the following way:

  1. First, please press the Windows key + I combination to open Settings.
  2. Then select Update and Security.
  3. Once open, please go to Windows and Updates.Make sure you have installed the VGA driver
  4. Please update your Windows version there.
  5. Done.

10 Check Hardware Condition

The last thing that rarely happens is the hardware of the device, but just because it happens rarely doesn’t mean it’s impossible and causes the brightness on your laptop or computer to not work. The hardware referred to here is the monitor screen and motherboard.

Try checking the monitor screen first, maybe there is physical damage. Now if you use a computer, please try your monitor screen on another PC to make sure if there is damage to the monitor screen.

If the screen proves to be damaged, please replace it or take it to a service center to have it repaired. If the screen is not damaged there is a possibility that the motherboard on your device has a problem. Usually, the problem is the motherboard is caused by a short circuit in the power supply or due to the negligence of the user.

But before you take the motherboard to a service center, make sure first that you’ve tried all the tips listed above to fix the brightness not working.

conclusion:

Maybe that’s the only article that we can share about how to fix brightness not working in Windows 10 that you can try. We’ve written down the ways to deal with it in order, starting from the things that happen the most and then to the things that are likely to happen rarely.

Hopefully, this article is useful and can help you solve the problem of brightness not working. That is all and thank you.

Don’t forget to bookmark and always visit our website techrizwa.com because you will find the latest Technology, Android, games, Apps  ETC, that we will update every day.

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I'm Ruhul Amin, from Assam Guwahati (India) I have been Running this Blog since 2020 with my full effort to Help users in the Tech field and clear doubt and provide advanced guides in simple methods.

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