Jun 22, 2020 Method #4. Adjust the Brightness on HP Laptops using Settings App Step 1. Open the Settings app by pressing Windows + I simultaneously. Click System. Click Display from the left pane and move the slider to adjust the screen under Brightness and color to “Change brightness for the built-in display.” Wrapping Up. Thanks for reaching out to us on HP Support Forums. ? I came across your post and would like to help. I understand that you have an HP Notebook - 14-r253tu. I read that the screen brightness can no longer be adjusted using the keyboard. Lenovo laptops. On Lenovo Thinkpad keyboard has Fn+F5 to dim brightness and Fn+F6 to increase screen brightness. On Lenovo Legion press Fn(function key) + F12 key to increase and Fn+F11 to lower screen brightness. Microsoft Surface Pro. Fn+f1 andfn+f2 keyboard shortcut to change screen brightness. Adjust Brightness using Windows 10 Action Center. If you want to fine-tune the brightness instead of using 25% increments, right-click on the same brightness tile in the Action Center, click on the Go to Settings button and adjust brightness using the slider on the Display settings section that will show up (Windows Settings / System / Display).
- Can't Adjust Brightness Lenovo Yoga
- Adjust Screen Brightness On Hp Laptop
- Can't Adjust Brightness On Lenovo Laptop
Can’t adjust screen brightness or your screen brightness control not working in Windows 10? Here’s how to fix can’t adjust screen brightness in Windows 10 PC.
Are you unable to change screen brightness in Windows 10 because the brightness slider not working?
Or, you can’t adjust screen brightness in Windows 10 because the screen brightness control not working in Windows 10 computer?
If this is the case, and the basic screen brightness adjust function not working on your Windows 10 laptop or desktop computer then you might feel extremely annoying.
Well, you shouldn’t worry much! Can’t adjust screen brightness and Windows 10 brightness not working properly issues are not rare among the Windows 10 operating system users. And if frankly speaking, an outdated device driver is the main culprit (in most of the cases) behind the screen brightness not working problem you are facing.
However, there can be many other concerning factors as well, which is why the screen brightness slider not working and you can’t adjust screen brightness on your PC. No matter what is the reason, but here in this tutorial, we are going to help you with all the possible resolutions.
So, just scroll through and learn how to fix can’t adjust screen brightness in Windows 10 and get rid of the screen brightness control not working in Windows 10 issue.
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How to Fix Can’t Adjust Screen Brightness in Windows 10
As we mentioned earlier, the main reason why you can’t adjust screen brightness in Windows 10 is the outdated device driver. Also, mainly an issue with the display adapter driver or the monitor driver is what that triggers this issue very frequently on your system. So, we going to focus more on that among various other solutions as well.
Here in this guide today, we have discussed some very straightforward methods to resolve Windows 10 brightness not working problems which you can apply in those situations when the screen brightness slider or screen brightness control not working in Windows 10 and you are completely unable to change screen brightness on your PC.
So, what are you waiting for? Check them out and learn how to fix can’t adjust screen brightness in Windows 10 computers:
Method 1: Update Display Adapter Drivers
Let’s try the simplest one first! An outdated display adapter driver might be the reason why you can’t adjust screen brightness in Windows 10 system. Follow the simple steps shown below and update graphics drivers on your Windows 10 computer:
Can't Adjust Brightness Lenovo Yoga
Step (1): At first, press the Windows + X keys and then select the Device Manager option from the power user menu.
Step (2): On the Device Manager window, expand Display adapters and then right-click on your Graphics Card driver and select Update Driver option.
Step (3): Now on the Update Drivers window, click on the “Search automatically for updated driver software” option.
Now the Windows will search your computer and the Internet for the latest graphics card driver software for your device and install it if available. in case, if there is no latest driver software for your device is available, it will notify you that as well.
Adjust Screen Brightness On Hp Laptop
So, just let the driver updating process completes and then restart your computer. Now check if the Windows 10 screen brightness not working issue got resolved and you are able to adjust screen brightness on your PC or not.
If the problem still persists, you must go through other solutions we have explained here.
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Method 2: Enable and Update Generic PnP Monitor Driver
Apart from the display driver, the Generic PnP Monitor can also cause you the Windows 10 screen brightness not working problem. So, you should enable Generic PnP Monitor and update the driver as well. Have a look at the steps below to get the job done quickly:
Step (1): At first, right-click on the Start button and then select Device Manager from the power user menu.
Step (2): On the Device Manager window, expand the Monitors devices.
Step (3): Now, right-click on the Generic PnP Monitor driver and then select Enable device option. (If it’s already enabled, move to next step)
Step (4): Again, right-click on the Generic PnP Monitor driver and this time, select Update driver option.
Step (5): Now on the Update Drivers window, click on the “Search automatically for updated driver software” option.
Now the Windows will start searching for the latest drivers and will automatically install it too. So, once the generic PnP monitor driver is enabled and updated, simply restart your computer.
Finally, go to the Start > Settings > System > Display and then check whether you are able to change the screen brightness by dragging the brightness slider on your PC or not. If you still can’t adjust screen brightness in Windows 10 computer, follow the other two solutions we have presented here.
Learn: How to Fix Cannot Move Icons to the Right Side of the Screen in Windows 10
Method 3: Use the Microsoft Basic Display Adapter
The Microsoft Basic Display Adapter is a default display graphics driver for Windows that provides display and graphics capabilities when the graphics card from your hardware manufacturer isn’t installed. While updating the display adapter driver, you can choose the Microsoft Basic Display Adapter to fix the Windows 10 brightness control not working issue.
Follow the steps below and learn how to use the Microsoft Basic Display Adapter on Windows 10 PC:
Step (1): At first, right-click on the Start button and then select Device Manager from the power user menu.
Step (2): On the Device Manager window, expand Display adapters and then right-click on your Graphics Card driver and select Update Driver option.
Step (3): Now on the Update Drivers window, click on the “Browse my computer for driver software” option.
Step (4): Next, click on the “Let me pick from a list of available drivers on my computer” option.
Step (5): Now from the Modellist, select Microsoft Basic Display Adapter and then click on the Next button.
Step (6): Finally, wait until the process gets completed and after the completion restart your computer.
Changing the display adapter driver and using the Microsoft Basic Display Adapter should fix can’t adjust screen brightness issue in Windows 10 operating systems.
Problem not resolved yet? Well, we have one last definitive solution for you. It will surely fix the Windows 10 screen brightness control not working issue on your laptop or desktop computers.
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Method 4: Restore Power Plan Settings to Default
You may have made some unfavorable changes to the power plan settings of your system, and that is why you are unable to change screen brightness on Windows 10 computer. In such a case, restoring the Power Plan Settings to default is the best solution for you.
Let’s try out the easy steps below and learn how to restore power plan default settings in Windows 10 PC:
Step (1): First of all, right-click on the Batteryicon and then select Power Options.
Can't Adjust Brightness On Lenovo Laptop
Step (2): On the Power Options window, click on the Change plan settings link.
Step (3): On the Edit Plan Settings, click on the Restore default settings for this plan link.
Step (4): When you are asked: Are you sure you want to restore this plan’s default settings? Simply, click on the Yes button to confirm.
Restoring power plan settings to default has helped many people in getting rid of the Windows 10 screen brightness control not working issues. So, once it’s done, restart your computer and then check if can’t adjust brightness Windows 10 problem has been resolved.
Conclusion
Anyway, Folks! That’s all about it from our side. After trying all these troubleshooting steps to fix can’t adjust screen brightness in Windows 10 PC, you must not encounter the screen brightness control not working in Windows 10 or screen brightness slider not working issue anymore on your computer.
If you have any better solutions to fix the Windows 10 brightness not working problem then feel free to share it with us. Also. if you have any problem proceeding with the methods explained above just let us know through the comment section below. For now, it’s time to say adieu! See you at the next Windows 10 tutorials.
You may also be interested in checking out:
Microsoft’s most stable operating system is Win10. In this article, we’ll solve the Windows 10 Screen Brightness problem.
How to Troubleshoot Windows 10 Screen Brightness
You may often experience a screen brightness problem with Lenovo-branded PCs and Laptops. For example, the Lenovo Z500 and Lenovo Z580 series have screen brightness issues. You may also encounter this error in the Lenovo IdeaPad series.
If you cannot adjust the screen brightness on Windows, you must first update your computer’s video card drivers. If the screen brightness still does not change after updating the video driver, you may need to adjust the Regedit settings.
The most common computer brands with the screen brightness problem are;
Lenovo
Dell
Sony
Toshiba
Acer
Asus
Monster
Dell
Sony
Toshiba
Acer
Asus
Monster
Not only will you experience this problem on Windows 10, but you may also encounter this error in Windows 7, Windows 8, and Windows 8.1 operating systems.
Laptop users can use the FN + Brightness Up / Brightness Down keys to adjust the screen backlight. If this method does not work, in this article we will fix the screen brightness does not change.
For example, you did a clean Windows 10 installation and installed the latest drivers. But you’ve had trouble adjusting the screen brightness! You thought the Fn Key didn’t work. Then you have installed Hotkey drivers of laptop model. But there’s still no solution.
How to Change the Screen Brightness in PC
This problem usually occurs because of the integrated video card on your computer. First, you need to update the driver for the Intel (R) HD Graphics 4000 device.
Follow the steps below to update the driver for your computer’s Intel (R) HD Graphics 4000.
Step 1
Right-click on the computer and click Manage. After opening the Computer Management window, click Device Manager. From the Device Manager, click Display adapters, then right-click on the Intel (R) HD Graphics 4000 and click Update Driver Software … in the window that opens.
Step 2
Click Search Automatically for Updated Driver Software. Make sure that the Windows Update service is turned on, or the device driver will not download over the Internet.
Step 3
If your driver is already up to date, you will see a message like the one shown below.
Step 4
After updating the graphics driver, restart your computer and try to change the Display Brightness. If the screen brightness does not change, restore the driver of the integrated graphics card as follows.
![Brightness Brightness](https://i.kinja-img.com/gawker-media/image/upload/s--TJO-aTe0--/c_fill,fl_progressive,g_center,h_900,q_80,w_1600/cji6ldokjwus0a1qqc6g.png)
After applying this method, you will be able to change the screen brightness of your PC and Laptop, but the driver will not be up to date.
Step 5
In the Undo Driver Package window, select My apps do not work with this driver and return to the previous driver version by clicking the Yes button.
How to Configure Regedit for Screen Brightness
If the screen brightness still does not change after you perform the above steps, you must configure the Regedit settings on the operating system you are using.
To change the screen brightness, configure your Regedit settings by following the steps below.
Step 1
Open the Run window by pressing the Windows Key + R together. After you open Run, type Regedit in the Open: field and click the OK button.
Step 2
After the Registry Editor opens, click HKEY_LOCAL_MACHINE in the Registry.
Step 3
Click SYSTEM under HKEY_LOCAL_MACHINE.
Step 4
Under SYSTEM, click ControlSet001.
Step 5
Under ControlSet001, click Control.
Fanuc handy file manual. Step 6
Under Control, click Class.
Step 7
Under Class, click {4d36e968-e325-11ce-bfc1-08002be10318}. Please note that you have selected the right option here!
Step 8
Under {4d36e968-e325-11ce-bfc1-08002be10318}, click 0001.
Step 9
Find the FeatureTestControl option in the settings on the right and double click on it.
Step 10
In the DWORD value edit window that opens, select Decimal.
Step 11
After selecting the decimal option, change the value 61440 in the Value data section to 61512.
![Can Can](https://images.drivereasy.com/wp-content/uploads/2017/10/img_59dad7accf3cc.jpg)
Step 12
After entering the value of 61512, click OK.
Step 13
Restart your computer after making sure that the FeatureTestControl option has the Data value as in the image below.
Download REG File
You can download the REG file and then use it again when you encounter the same problem.
Note
If you change the value of {4d36e968-e325-11ce-bfc1-08002be10318} / 0001 in the Regedit settings, but the screen brightness still persists, you can try changing the FeatureTestControl value in 0000 in the same way.
Final Word
In this article, we’ve fixed the screen brightness problem that Win10 users often encounter. After you follow the methods described above, you will be able to change the screen brightness of your computer. Thanks for following us!
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