ກັນຍາ 13, 2017

Fix Can’t adjust screen brightness in Windows 10

Fix Can’t adjust screen brightness in Windows 10: If you have recently upgraded to Windows 10 then you may be facing this annoying issue where you can’t adjust the screen brightness, in short, screen brightness settings stopped working. If you try to adjust the brightness using Windows Settings apps, you won’t be able to change anything, as dragging the brightness level up or down will do nothing. Now if you try to adjust brightness using the brightness keys on the keyword then it would display the brightness level going up and down, but nothing would actually happen.

Fix Can't Adjust Screen Brightness in Windows 10 [SOLVED]

Why I am unable to adjust screen brightness on Windows 10?

If you have enabled automatic battery management then if the battery starts to become low the brightness will be automatically changed to dim settings. And you won’t be able to adjust the brightness again until you will change the battery management settings or charge your laptop. But the issue can be a number of different things for example corrupted drivers, incorrect battery configuration, ATI bug, ແລະອື່ນໆ

This is quite a common issue which a lot of Windows 10 users are facing right now. This issue can also be caused because of the corrupt or incompatible display driver and thankfully this issue can be easily resolved. So without wasting any more time let’s see how to actually fix can’t adjust screen brightness in Windows 10 with the help of below-listed steps.

Fix Can’t Adjust Screen Brightness in Windows 10

ໃຫ້ແນ່ໃຈວ່າສ້າງຈຸດຟື້ນຟູພຽງແຕ່ໃນກໍລະນີທີ່ມີບາງຢ່າງຜິດພາດ.

ວິທີທີ 1: ອັບເດດ Display Adapter Drivers

1. ກົດ Windows Key + R ແລ້ວພິມ devmgmtmsc ແລະກົດ Enter ເພື່ອເປີດ ຕົວ​ຈັດ​ການ​ອຸ​ປະ​ກອນ.

ຜູ້ຈັດການອຸປະກອນ devmgmt.msc

2. ຂະຫຍາຍ ສະແດງອະແດບເຕີ and then right-click on the integrated graphics card and select Update Driver

Need to update the display driver

ຫມາຍ​ເຫດ​: The integrated graphics card would be something like Intel HD Graphics 4000

3. ຈາກນັ້ນຄລິກ ຄົ້ນຫາອັດຕະໂນມັດສໍາລັບຊອບແວທີ່ມີການປັບປຸງໃຫມ່ and let it install the driver automatically.

ຫມາຍ​ເຫດ​: Make sure you have a good internet connection in order for Windows to automatically download the latest drivers.

ຄົ້ນຫາອັດຕະໂນມັດສໍາລັບຊອບແວໄດເວີທີ່ຖືກປັບປຸງ

4. Reboot your PC and see if the issue is resolved or not.

5. If not then again select Update Driver and this time click on ຄົ້ນຫາຄອມພິວເຕີຂອງຂ້ອຍສໍາລັບຊອບແວທີ່ຂັບຂີ່.

6. ຖັດໄປ, ກົດເຂົ້າ ຂໍໃຫ້ຂ້ອຍເລືອກຈາກບັນຊີລາຍຊື່ຂອງຄົນຂັບລົດທີ່ມີຢູ່ໃນຄອມພິວເຕີ້ຂອງຂ້ອຍ ທາງເລືອກຢູ່ທາງລຸ່ມ.

ຂໍໃຫ້ຂ້ອຍເລືອກຈາກບັນຊີລາຍຊື່ຂອງຄົນຂັບລົດທີ່ມີຢູ່ໃນຄອມພິວເຕີ້ຂອງຂ້ອຍ

7. ດຽວນີ້ ເຄື່ອງ ໝາຍ ກວດກາ "ສະແດງຮາດແວທີ່ເຫມາະສົມ” then from the list select Microsoft Basic Display Adapter ແລະຄິກ ຕໍ່ໄປ.

select Microsoft Basic Display Adapter and then click Next

8. Let it install the basic Microsoft display driver and reboot your PC to save changes.

Method 2: Adjust the brightness from Graphics Settings

1. Right-click in an empty area on the desktop then select Intel Graphics Settings

Right-click in an empty area on the desktop then select Intel Graphics Settings

2. ດຽວນີ້ກົດເຂົ້າ ການສະແດງ from the Intel HD Graphics Control Panel.

Now click on Display from the Intel HD Graphics Control Panel

3. ຈາກ​ເມ​ນູ​ຊ້າຍ​ມື​, ເລືອກ​ເອົາ​ Color Settings.

4. Adjust the Brightness slider according to your liking and once done, click Apply

Adjust the Brightness slider under Color Settings then click Apply

ວິທີການ 3-: Adjust screen brightness using Power Options

1. ກົດຂວາໃສ່ປຸ່ມ ໄອຄອນພະລັງງານ ໃນ ໜ້າ ວຽກແລະເລືອກ Power Options

ຄລິກຂວາໃສ່ໄອຄອນພະລັງງານ ແລະເລືອກ Power Options

2. ໃນປັດຈຸບັນຄລິກ ປ່ຽນການຕັ້ງຄ່າແຜນການ next to currently active power plan.

Click on Change plan settings next to your selected power plan

3. ຄລິກ ປ່ຽນການຕັ້ງຄ່າພະລັງງານແບບພິເສດ ຢູ່ທາງລຸ່ມ.

Click Change advanced power settings at the bottom | Fix Can't Adjust Screen Brightness in Windows 10

4. From the Advanced settings window, find and expand ສະແດງ.

5. Now locate and click each of the following to expand their respective settings:

ສະຫວ່າງສະແດງຜົນ
Dimmed display brightness
ເຮັດໃຫ້ຄວາມສະຫວ່າງປັບຕົວ

From the Advanced settings window find and expand Display then change Display brightness, Dimmed display brightness and Enable adaptive brightness settings

5. Change each of these to the settings you wish, but make sure “ເຮັດໃຫ້ຄວາມສະຫວ່າງປັບຕົວ” ແມ່ນ ປິດ. 

6. Once done, click Apply followed by OK.

7. Reboot PC ຂອງທ່ານເພື່ອບັນທຶກການປ່ຽນແປງ.

ວິທີທີ່ 4: ເປີດໃຊ້ Generic PnP Monitor

1. ກົດ Windows Key + R ແລ້ວພິມ devmgmtmsc ແລະກົດ Enter ເພື່ອເປີດ Device Manager.

ຜູ້ຈັດການອຸປະກອນ devmgmt.msc

2. ຂະຫຍາຍ Monitors ແລະຫຼັງຈາກນັ້ນໃຫ້ຄລິກຂວາໃສ່ PnP Monitor ທົ່ວໄປ ແລະເລືອກເອົາ ເປີດໃຊ້ງານ.

Expand Monitors and then right-click on Generic PnP Monitor & select Enable device

3. Reboot PC ຂອງທ່ານເພື່ອບັນທຶກການປ່ຽນແປງແລະເບິ່ງວ່າທ່ານສາມາດ fix can’t adjust screen brightness in Windows 10 issue.

ວິທີທີ 5: ອັບເດດ Generic PnP Monitor Driver

1. ກົດ Windows Key + R ແລ້ວພິມ devmgmtmsc ແລະກົດ Enter.

ຜູ້ຈັດການອຸປະກອນ devmgmt.msc

2. ຂະຫຍາຍ Monitors ແລະຫຼັງຈາກນັ້ນໃຫ້ຄລິກຂວາໃສ່ PnP Monitor ທົ່ວໄປ ແລະເລືອກເອົາ Update Driver

Expand Monitors then right-click on Generic PnP Monitor and select Update Driver

3 ເລືອກເອົາ ຄົ້ນຫາຄອມພິວເຕີຂອງຂ້ອຍສໍາລັບຊອບແວທີ່ຂັບຂີ່.

ທ່ອງຄອມພິວເຕີຂອງຂ້ອຍສໍາລັບຊອບແວໄດເວີ

4. ຖັດໄປ, ກົດເຂົ້າ ຂໍໃຫ້ຂ້ອຍເລືອກຈາກບັນຊີລາຍຊື່ຂອງຄົນຂັບລົດທີ່ມີຢູ່ໃນຄອມພິວເຕີ້ຂອງຂ້ອຍ ທາງເລືອກຢູ່ທາງລຸ່ມ.

ຂໍໃຫ້ຂ້ອຍເລືອກຈາກບັນຊີລາຍຊື່ຂອງຄົນຂັບລົດທີ່ມີຢູ່ໃນຄອມພິວເຕີ້ຂອງຂ້ອຍ

5. ດຽວນີ້ເລືອກ PnP Monitor ທົ່ວໄປ ແລະກົດ Next.

select Generic PnP Monitor from the list and click Next | Fix Can't Adjust Screen Brightness in Windows 10

6. Reboot PC ຂອງທ່ານເພື່ອບັນທຶກການປ່ຽນແປງແລະເບິ່ງວ່າທ່ານສາມາດ fix unable to adjust screen brightness on Windows 10 issue.

ວິທີທີ 6: ອັບເດດໄດເວີບັດກາຟິກ

If the Nvidia Graphics drivers are corrupted, outdated or incompatible then you won’t be able to adjust screen brightness in Windows 10. When you update Windows or install a third-party app then it can corrupt the video drivers of your system. In order to resolve this issue, you need to update your graphics card drivers in order to fix the underlying cause. If you face any such issues then you can easily update graphics card drivers with the help of this guide.

Update your Graphics Card Driver | Fix Can't Adjust Screen Brightness in Windows 10

Method 7: Delete hidden devices under PnP Monitors

1. ກົດ Windows Key + R ແລ້ວພິມ devmgmtmsc ແລະກົດ Enter.

2. Now from Device Manager menu click ເບິ່ງ> ສະແດງອຸປະກອນທີ່ເຊື່ອງໄວ້.

In the Views tab click on Show Hidden Devices

3. Right-click on each of the hidden devices listed under Monitors ແລະເລືອກເອົາ ຖອນການຕິດຕັ້ງ ອຸປະກອນ.

Right-click on each of the hidden devices listed under Monitors and select Uninstall Device

4. Reboot PC ຂອງທ່ານເພື່ອບັນທຶກການປ່ຽນແປງແລະເບິ່ງວ່າທ່ານສາມາດ adjust screen brightness in Windows 10.

ວິທີທີ່ 8: Registry Fix

ຫມາຍ​ເຫດ​: This method is only for users who have ATI graphics card and have Catalyst installed.

1. ກົດ Windows Key + R ແລ້ວພິມ regedit ແລະກົດ Enter ເພື່ອເປີດ Registry Editor.

ກົດ Windows Key + R ຈາກນັ້ນພິມ regedit ແລະກົດ Enter ເພື່ອເປີດ Registry Editor

2. ທ່ອງໄປຫາລະຫັດ Registry ຕໍ່ໄປນີ້:

HKEY_LOCAL_MACHINE  SYSTEM  ControlSet001  ControlClass  {4d36e968-e325-11ce-bfc1-08002be10318}  0000

3. Now double-click on the following Registry keys and set their value to 0 then click OK:

MD_EnableBrightnesslf2
KMD_EnableBrightnessInterface2

4. Next, navigate to the following key:

HKEY_LOCAL_MACHINE  SYSTEM  CurrentControlSet  Control  Class {4d36e968-e325-11ce-bfc1-08002be10318}  0001

5. Again double-click on MD_EnableBrightnesslf2 and KMD_EnableBrightnessInterface2 then set their value’s to 0.

6. Close everything and restart your PC to save changes.

ແນະນໍາສໍາລັບທ່ານ:

ຂ້ອຍຫວັງວ່າຂັ້ນຕອນຂ້າງເທິງນີ້ມີປະໂຫຍດແລະເຈົ້າສາມາດເຮັດໄດ້ fix Can’t Adjust Screen Brightness in Windows 10 but if you still have any questions regarding this post feel free to ask them in the comment section.