Heerka dhalaalka saxda ah ee kumbuyuutarkaagu waa shay lagama maarmaanka u ah PC-gaaga, gaar ahaan marka aad ciyaareyso, daawato filimada, iyo shaqada. Iftiinka kombuyuutarkaaga ayaa mas'uul ka ah hagaajinta iftiinka kombiyuutarka si waafaqsan iftiinka deegaanka. Hase yeeshee, isticmaaleyaal tiro yar ayaa ka warbixiya dhibaato guud, Windows 10 dhalaalka oo aan shaqaynayn arrin ka dib cusboonaysiinta PC-gaaga ama ka dib cusboonaysiinta. Isticmaalayaasha kale ayaa sheegay in xakamaynta dhalaalka mar walba la dejiyo heerka ugu sarreeya xitaa ka dib marka la hagaajiyo. Haddii aadan bedeli karin dhalaalka Windows 10 , waxaa laga yaabaa in shaqada PC-gaaga ay saameyn ku yeelato maadaama iftiinka culus uu hoos u dhigi doono waxqabadka batteriga. Si kastaba ha ahaatee, dhowr siyaabood oo cilad-raadinta ayaa hagaajiya Windows 10 dhalaalka oo aan shaqaynayn. Akhriso^(Read)raac tilmaamahan si aad u xalliso arinta.

Sida loo hagaajiyo Windows 10 Iftiinka Aan Shaqeyn^{(How to Fix Windows 10 Brightness Not Working)}

Haddii aadan bedeli karin dhalaalka Windows 10 ee PC-gaaga, Laptop-kaaga, ama kormeeraha, waxay noqon kartaa sababo dhowr ah awgood. Waxay noqon karaan kuwo la xidhiidha software-ka ama qalabka la xidhiidha, waxaana lagama maarmaan ah in la kala saaro sababta asaasiga ah si loo saxo isla. Xaaladaha intooda badan, adiga ayaa xallin kara arrinta, iyo xaaladaha qaarkood, waa inaad raadsataa caawimo xirfadle ah hagaajinta ama beddelka. Sidaa darteed, waxaa habboon in la falanqeeyo sababta dhibaatada keentay^{(cause of the problem)} ka hor inta aan la qaadin tallaabo horumarsan.

• Haddii ay dhibaato ka jirto soo- bandhigiddaada^(display) marka kombuyutarkaagu uu soo gaaray dhaawac jireed, arrimo gaboow, iwm., waxaa laga yaabaa inaad dhib kala kulanto hagaajinta kontoroolka dhalaalka.
• Haddii software-kaagu uu duugoobay^(outdated) ama darawallada garaafyada aan la cusboonaysiin^{(graphics drivers are not updated)} , ma beddeli kartid dhalaalka Windows 10 . Cusbooneysii qalabkaaga iyo darawalada si aad u xalliso arinta.
• Haddii aad isticmaasho amarrada kiiboodhka si aad u xakamayso dhalaalka, arrimaha kiiboodhka ayaa^{(keyboard issues )} laga yaabaa inay sababaan Windows 10 iftiinku inaanu shaqayn.

Qaybtan, waxaan ku diyaarinay liis hababka lagu hagaajinayo Windows 10 dhalaalka aan shaqaynayn dhibaatada. Hababka waxaa loo habeeyey iyadoo loo eegayo darnaanta dhibaatadu iyo waxtarka xeeladahooda cilad-raadinta. Raac iyaga si isku mid ah si aad u hesho natiijooyinka ugu fiican.

Habka 1: Ku socodsii Windows Troubleshooter^{(Method 1: Run Windows Troubleshooter)}

Ku socodsiinta dhibbanaha awoodda^{(Power Troubleshooter)} waxay xallin doontaa cilad kasta oo ku jirta PC-gaaga, habkanina maahan kaliya mid lagu dabaqi karo Windows 10 laakiin sidoo kale Windows 7 & 8.

1. Riix Windows + R keys isku mar si aad u furto sanduuqa wada hadalka Run .

2. Ku qor ms-settings:troubleshoot oo ku dhufo Enter key .

Fiiro gaar ah:^(Note:) Noocyadii Windows ee hore ee OS 10 , ku qor amarka control.exe /name Microsoft.Troubleshooting halkii ms-settings: problemshoot^{(ms-settings:troubleshoot)} oo ku dhufo Gelida^(Enter) .

3. Guji cilad-bixiyeyaal dheeraad^{(Additional troubleshooters)} ah.

4. Dooro Power oo wad cilad bixiyaha^{(Run the troubleshooter)} .

5. Sug inta hawsha la dhamaynayo, oo haddii arin laga helo nidaamkaaga, dhagsii Codso hagaajintan^{(Apply this fix )} oo raac tilmaamaha lagu bixiyay dardaarannada isku xiga.

6. Ugu dambeyntii, dib u bilow PC^{(restart your PC)} .

Fiiro gaar ah:^{(Note: )} Haddii aadan ku helin wax hagaajin habkan cilad-raadinta, ka dib, raac tillaabooyinka ciladaynta dheeraadka ah.

1. Riix furayaasha ^(keys)Windows + R si aad u bilawdo sanduuqa wada hadalka Run .

2. Ku qor msdt.exe -id DeviceDiagnostic oo ku dhufo Gelida furaha^{(Enter key)} .

2. Guji Xiga^(Next) .

3. Mararka qaarkood, haddii aan qalabkaaga lagu rakibin darawaladii ugu dambeeyay, waxaad heli doontaa isla markiiba. Waxaa laga yaabaa inaad dhammayso rakibidda darawallada iyo cusbooneysiinta haddii aad rabto inaad sidaas samayso. Raac tilmaamaha shaashadda, ka dibna dib u bilow^(Restart) qalabkaaga.

Habka cilad-raadinta ayaa inta badan hagaajin doona Windows 10 iftiinka aan shaqaynayn.

4A. Habkani waxa uu ku ogaysiinayaa in uu aqoonsan karo oo uu hagaajin karo dhibaatada.

4B. Si kastaba ha ahaatee, shaashadda soo socota ayaa soo bixi doonta haddii ay garan weydo arrinta.

Habka 2: Cusbooneysii ama Dib-u-soo-celinta Dareewalada Adabtarka^{(Method 2: Update or Reinstall Display Adapter Drivers)}

Raac tillaabooyinkan si aad u cusboonaysiiso ama dib ugu rakibto darawallada adabtarada^{(adapter drivers)} shaashadda .

Ikhtiyaarka I: Cusbooneysii Darawalada Adabtarka^{(Option I: Update Display Adapter Drivers)}

Isku day inaad u cusboonaysiiso darawalada nooca ugu dambeeyay si aad u hagaajiso Windows 10 iftiinku ma shaqaynayo. Waxa kale oo aad ka saari kartaa darawalka kaadhka garaafyada^{(graphics card)} oo aad dib u rakibi kartaa mar kale intii aad cusboonaysiin lahayd darawalka adigoo isticmaalaya tillaabooyinka hoos ku xusan. Labada xaaladoodba, natiijada saafiga ahi waxay ahaan doontaa isku mid.

1. Ku qor  Maareeyaha Aaladda^{(Device Manager)} ee Windows 10 menu-ka raadinta.

2. Laba jeer guji Display adapters  si aad u ballaariso.

3. Midig ku dhufo darawalka kaadhka fiidyowga^{(your video card driver)} (tusaale Intel(R) HD Graphics 620 ) oo guji Update dirawalka^{(Update driver)} .

4. Guji ka baadh kombayutarkayga si darawaladu^{(Browse my computer for drivers )} u helaan oo ay gacanta ugu rakibaan darawalka.

5. Guji badhanka Browse.. si aad u doorato hage kasta. Guji ^(Click)Next . _

6. Ugu dambeyntii, dhagsii badhanka Close si aad uga baxdo daaqada.

7. Dib u bilaw kombayutarka^{(Restart )} , oo hubi inaad hagaajisay Windows 10 dhalaalka aanu ku shaqaynayn nidaamkaaga.

Ikhtiyaarka II: Dib u rakib Darawalada Adapter-ka Muujinta^{(Option II: Reinstall Display Adapter Drivers)}

Haddii dib u cusboonaysiinta darawalada aysan ku siin hagaajin, waad ka saari kartaa darawalada adabtarada bandhiga oo aad dib u rakibi kartaa. Raac tillaabooyinka hoos ku xusan si aad u dhaqan geliso isla.

1. Bilaw Maareeyaha Aaladda^{(Device Manager )} adiga oo isticmaalaya tillaabooyinka lagu sheegay 2A oo balaadhi Adapters-ka Muujinta^{(Display adapters )} adiga oo laba jeer gujinaya.

2. Midig ku dhufo darawalka^{(driver )} oo dooro qalabka Uninstall^{(Uninstall device)} .

3. Digniin degdeg ah ayaa lagu soo bandhigi doonaa shaashadda. Calaamadee sanduuqa “ Delete software darawalka qalabkanâ^{(Delete the driver software for this device)} € oo xaqiiji degdega adiga oo gujinaya Uninstall .

4. Soo deji oo ku rakib darawalada qalabkaaga iyada oo loo marayo casriyeyn gacanta ah ama casriyeyn toos ah.

5. Booqo website-ka soo saaraha^{(manufacturer’s website)} .

2. Soo ^{(Download )}hel^(Find) oo soo deji darawalada u dhigma nooca Windows ee PC-gaaga.

3. Marka la soo dejiyo, laba jeer guji faylka la soo dejiyey^{(downloaded file)} oo raac tilmaamaha la siiyay si aad u rakibto.

4. Raac tillaabooyinka isku midka ah ee dhammaan darawallada aaladaha sida maqalka, muuqaalka, shabakadda, iwm.

Hubi haddii aad hagaajisay Windows 10 iftiinka aan shaqaynayn ee nidaamkaaga.

Sidoo kale akhri:^{(Also Read:)} Hagaaji  kumbuyuutarku kuma tagi doono qaabka hurdada gudaha Windows 10^{(Fix Computer Won’t Go to Sleep Mode in Windows 10)}

Habka 3: Isticmaalka Adaptarka Aasaasiga ah ee Microsoft^{(Method 3: Use of Microsoft Basic Display Adapter)}

Haddii dareewalka Adapter- ka^(Display) aan la heli karin ama aan lagu rakibin kombayutarkaaga, waxaad isticmaali kartaa software dareewalka Windows oo gudaha ku jira. ^(Windows)Waxaad u isticmaali kartaa darawalkan si aad u xalliso Windows 10 iftiinka aan shaqaynayn. Halkan waxaa ah dhowr tillaabo oo muujinaya sida loo isticmaalo adabtarada Bandhigga Aasaasiga ah ee Microsoft ee kombayutarkaga.^{(Microsoft Basic Display)}

1. Fur Maareeyaha Aaladda^{(Device manager )} sida ku cad Habka 2A^{( Method 2A )} oo guji Cusbooneysii darawalka^{(Update driver )} hoostiisa Adabtarada Muujinta^{(Display adapter)} .

2. Guji ka baadho kombayutarkayga si darawaladu^{(Browse my computer for drivers )} u helaan oo ay gacanta ugu rakibaan darawalka.

3. Guji Aan ka soo xusho liiska darawalada laga heli karo kombayutarkayga^{(Let me pick from a list of available drivers on my computer)} .

4. Dooro sanduuqa, Muuji qalab ku habboon. ^{(Show compatible hardware.)}Guji Adapter-ka Aasaasiga ah ee Microsoft^{(Microsoft Basic Display Adapter)} oo guji Next .

5. Dagdag ah, Windows ayaa si guul leh u cusbooneysiiyay darawaladaada^{(Windows has successfully updated your drivers)} ayaa la soo bandhigi doonaa.

6. Ugu dambeyntii, dib u bilaw PC-gaaga oo hubi inaad xallisay arrinta.

Habka 4: Tweak Power Option Settings^{(Method 4: Tweak Power Option Settings)}

Haddii aadan bedeli karin dhalaalka Windows 10 , waxaad hagaajin kartaa adiga oo dami shaashadda ka dib^{(Turn off display after)} ikhtiyaarka awoodda, sida hoos looga hadlay.

Fiiro gaar ah:^{(Note: )} Waxa kale oo aad ku qori kartaa qorshaha tamarta wax^{(edit power plan )} ka beddelka barta raadinta si aad u furto daaqada Habaynta Qorshaha Edit (^{(the Edit Plan Settings window ()} Skip Steps 1 & 2).

1. Riix Windows + R key oo ku qor powercfg.cpl oo ku dhufo Enter key .

2. Dooro ikhtiyaarka beddelka dejinta qorshaha^{(Change plan settings )} .

Xusuusin^(Note) : Haddii aad leedahay qorshayaal awood badan oo firfircoon oo ku jira nidaamkaaga, ku celi isla habraaca dhammaan qorshayaasha firfircoon ee badan.

3. Guji Beddel goobaha korantada ee horumarsan^{(Change advanced power settings)} .

4. Halkan, gudaha menu Settings Advanced^{(Advanced settings )} , balaadhi ikhtiyaarka Muujinta^{(Display )} adigoo gujinaya + icon.

5. Balaadhi dami bandhiga ka dib^{(Turn off display after )} doorashada adigoo gujinaya + icon.

6. Guji batteriga^{(On battery )} oo u beddel goobta oo marna ha^{(Never )} ka bixin liiska hoos-u-dhaca .

7. Guji Plugged in oo u beddel goobta marna.^(Never.)

8. Guji Codso^{(Apply )} oo OK si aad u badbaadiso isbeddelada.

9. Dib u billow^(Restart) nidaamkaaga oo hubi haddii arinta hadda la xaliyay.

Fiiro gaar ah:^{(Note: )} Haddii aad ka hesho ikhtiyaarka La-qabsiga Iftiinka hoosta ^{(Adaptive Brightness )}Bandhiga,^{(Display, )} raac isla habraaca oo deji batteriga ^{(On battery )}shid^{(Plugged in )} oo ku xidh qiyamka OFF .

Sidoo kale akhri:^{(Also Read:)}   Hagaaji PC wuu shidmay laakiin ma muuqato^{(Fix PC Turns On But No Display)}

Habka 5: Dib-u-kicin Plug iyo Play Monitor (loogu talagalay kormeerayaasha PnP)^{(Method 5: Re-enable Plug and Play Monitor (for PnP monitors))}

Haddii aad isticmaasho kormeeraha Plug and Play ( PnP ) iyo haddii aadan bedeli karin dhalaalka Windows 10 , habkan adigaa leh. Cusbooneysiin kasta ama darawalka laftiisa ayaa curyaamiya, taasoo keenaysa Windows 10 iftiinku maaha mid shaqeynaya. Waa doorasho wanaagsan in la hubiyo in kormeeraha PnP uu naafo ka yahay qalabkaaga.

Ikhtiyaarka I: Daree kormeerayaasha PnP^{(Option I: Enable PnP monitors)}

1. Bilaw maamulaha aaladda^{(Device manager )} sida ku cad Habka 2A^{(Method 2A)} oo u gudub qaybta Kormeerayaasha^{(Monitors )} .

 

2. Laba jeer guji Monitors si aad u ballaariso.

3. Midig ku dhufo General PnP Monitor^{(Generic PnP Monitor )} oo dooro Aalad karti^{(Enable device)} .

Fiiro gaar ah:^{(Note: )} Haddii aadan arkin Enable-^{(Enable device )} ka ikhtiyaarka aaladda, kombayutarkaagu ma laha Kormeeraha Guud ee PnP naafada ah. ^{(Generic PnP Monitor. )}Xaaladdan oo kale, waxaad si toos ah ugu gudbi kartaa habka xiga.

4. Ugu dambeyntii, dib u bilaw PC-gaaga oo hubi inaad xallisay arrinta.

Xulashada II: Ka saar aaladaha qarsoon ee hoos yimaada PnP Monitors.^{(Option II: Uninstall hidden devices under PnP Monitors.)}

1. Fur Maareeyaha Aaladda^{(Device Manager)} sida ku cad Habka 2A^{(Method 2A)} oo u gudub View tab si aad u dooratid Muuji aaladaha qarsoon^{(Show hidden devices )} .

6. Balaadhi qaybta Kormeerayaasha^(Monitors) , waxaana la soo bandhigi doonaa liiska kormeerayaasha qarsoon.

Fiiro gaar ah: Kormeerayaasha ^(Note:) qarsoon^(Hidden) waxay u muuqan doonaan kuwa ka hufan kuwa dhabta ah.

7. Midig ku dhufo dhammaan kormeerayaasha translucent oo dooro ikhtiyaarka qalabka Uninstall^{(Uninstall device )} . Ku celi talaabadan ilaa aad ka tirtirto dhammaan kormeerayaasha qarsoon ee PnP .

Sidoo kale akhri: ^{(Also Read:)} Sida loo beddelo iftiinka shaashadda gudaha Windows 10^{(How to Change Screen Brightness in Windows 10)}

Habka 6: Tweak Settings Registry Registry^{(Method 6: Tweak Registry Editor Settings)}

Haddii aad tahay isticmaale ATI iyo haddii aad ku rakibtay qalabkaaga, ma beddeli kartid dhalaalka Windows 10 sababtoo ah cillad ku jirta nooca 15.7.1 ee ^{(Catalyst version 15.7.1)}Catalyst . Si loo xalliyo dhibaatada, raac tillaabooyinka hoos ku xusan.

1. Fur sanduuqa wada-hadalka Run adigoo wada riixaya Windows + R key R.

2. Ku qor regedit oo ku dhufo Enter key .

3. U gudub dariiqa^(path) soo socda ee tifaftiraha diiwaankaaga.

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0000

3. Laba jeer ku dhufo furayaashan soo socda (haddii ay jiraan)  oo dhig qiimahooda 0 ^{(set their value to 0 )} dabadeed dhagsii OK :

• MD_EnableBrightnesslf2
• KMD_EnableBrightnessInterface2

4. Mar labaad u gudub ^(Again)dariiqa^(path) galka muhiimka ah ee soo socota :

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

5. Laba jeer ku dhufo furayaashan soo socda (haddii ay jiraan)  oo dhig qiimahooda 0 ^{(set their value to 0 )} dabadeed dhagsii OK:

• MD_EnableBrightnesslf2
• KMD_EnableBrightnessInterface2

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Waxaan rajeyneynaa in hagahan uu ahaa mid waxtar leh oo aad hagaajin karto Windows 10 iftiinku ma shaqeynayo^{(Windows 10 brightness not working)} . Nala soo socodsii habka kuugu fiican. Sidoo kale, haddii aad hayso wax su'aalo ah / soo jeedin ah oo ku saabsan maqaalkan, ka dib waxaad xor u tahay inaad ku riddo qaybta faallooyinka.

Fix Windows 10 brightness Not Working

Τhe correct brightnеss level of your computer is an essential element in your PC, eѕpecially when you play games, watch movies, and work. The brіghtness of уour PC is responsible for adjusting the lighting of the computer in accordance with the еnvironmental brіghtness. Yet, few users report a common problem, Windows 10 brightneѕs not working issue after upgrading your PC or after updating іt. Other users reported that the brightnesѕ control is always set to a maximum level even after adjusting it. If you can’t сhange brightness Windows 10, the performance of your PC might be affected sіnce heavy brightness will lower the battery pеrformance. However, several troubleѕhooting mеthods fix Windows 10 brightness not working. Read and follow this guide to fіx the issue.

How to Fix Windows 10 Brightness Not Working

If you can’t change the brightness of Windows 10 on your PC, laptop, or monitor, it could be due to several reasons. They can be either software-related or hardware-related, and it is necessary to distinguish the root cause to rectify the same. In most cases, you can fix the issue by yourself, and in some cases, you must seek professional help for repair or replacement. Therefore, it is worth analyzing the root cause of the problem before taking advanced action.

• If there is a problem with your display when your PC has suffered physical damage, aging factors, etc., you might have a problem adjusting brightness control.
• If your software is outdated or the graphics drivers are not updated, you can’t change the brightness of Windows 10. Update your device and drivers to resolve the issue.
• If you use keyboard commands to control brightness, keyboard issues might cause Windows 10 brightness not to work.

In this section, we have compiled a list of methods to fix Windows 10 brightness not working problem. The methods are arranged according to the severity of the problem and the efficiency of their troubleshooting tactics. Follow them in the same order to attain the best results.

Method 1: Run Windows Troubleshooter

Running the Power Troubleshooter will resolve any glitches in your PC, and this method is applicable not only for Windows 10 but also for Windows 7 & 8.

1. Press Windows + R keys simultaneously to open the Run dialog box.

2. Type ms-settings:troubleshoot and hit Enter key.

Note: For Windows versions earlier to OS 10, type the command control.exe /name Microsoft.Troubleshooting instead of ms-settings:troubleshoot and hit Enter.

3. Click Additional troubleshooters.

4. Select Power and Run the troubleshooter.

5. Wait for the process to be completed, and if any issue is found in your system, click on Apply this fix and follow the instructions given in the successive prompts.

6. Finally, restart your PC.

Note: If you did not attain any fix by this troubleshooting method, then, follow the additional troubleshooting steps.

1. Press Windows + R keys together to launch the Run dialog box.

2. Type msdt.exe -id DeviceDiagnostic and hit Enter key.

2. Click on Next.

3. Sometimes, if your device is not set up with latest drivers, you will receive the following prompt. You may finish installing drivers and updates if you want to do so. Follow the on-screen instructions, and then Restart your device.

The troubleshooting process will often fix Windows 10 brightness not working issue.

4A. This process lets you know if it could identify and fix the problem.

4B. However, the following screen will appear if it could not identify the issue.

Method 2: Update or Reinstall Display Adapter Drivers

Follow these steps to update or reinstall display adapter drivers.

Option I: Update Display Adapter Drivers

Try updating the drivers to the latest version to fix Windows 10 brightness not working. You can also uninstall your graphics card driver and reinstall it again rather than updating the driver using the below-mentioned steps. In both cases, the net result will be the same.

1. Type Device Manager in the Windows 10 search menu.

2. Double click on Display adapters to expand it.

3. Right-click on your video card driver (e.g. Intel(R) HD Graphics 620) and click on Update driver.

4. Click on Browse my computer for drivers to locate and install a driver manually.

5. Click on the Browse.. button to choose any directory. Click on Next.

6. Finally, click on the Close button to exit the window.

7. Restart the computer, and check if you have fixed Windows 10 brightness not working in your system.

Option II: Reinstall Display Adapter Drivers

If updating drivers does not give you a fix, you can uninstall the display adapter drivers and install them again. Follow the below-mentioned steps to implement the same.

1. Launch the Device Manager using the steps mentioned in 2A and expand Display adapters by double-clicking on it.

2. Right-click on the driver and select Uninstall device.

3. A warning prompt will be displayed on the screen. Check the box “Delete the driver software for this device” and confirm the prompt by clicking Uninstall.

4. Download and install the drivers on your device either by a manual update or automatic update.

5. Visit the manufacturer’s website.

2. Find and Download the drivers corresponding to the Windows version on your PC.

3. Once downloaded, double click on the downloaded file and follow the given instructions to install it.

4. Follow the same steps for all device drivers such as audio, video, network, etc.

Check if you have fixed Windows 10 brightness not working issue in your system.

Also Read: Fix Computer Won’t Go to Sleep Mode in Windows 10

Method 3: Use of Microsoft Basic Display Adapter

If the Display adapter driver is unavailable or not installed on your PC, you can use an inbuilt Windows driver software. You can use this driver to resolve Windows 10 brightness not working issue. Here are a few steps demonstrating how to use the Microsoft Basic Display adapter on your PC.

1. Open Device manager as shown in Method 2A and click on Update driver under Display adapter.

2. Click on Browse my computer for drivers to locate and install a driver manually.

3. Click on Let me pick from a list of available drivers on my computer.

4. Select the box, Show compatible hardware. Click on Microsoft Basic Display Adapter and click on Next.

5. A prompt, Windows has successfully updated your drivers will be displayed.

6. Finally, restart your PC and check if you have fixed the issue.

Method 4: Tweak Power Option Settings

If you can’t change the brightness of Windows 10, you can fix it by disabling the Turn off display after power option, as discussed below.

Note: You can also type edit power plan in the search bar to open the Edit Plan Settings window (Skip Steps 1 & 2).

1. Press Windows + R key and type powercfg.cpl and hit Enter key.

2. Select the Change plan settings option.

Note: If you have multiple power plans active in your system, repeat the same procedure for all the multiple active plans.

3. Click on Change advanced power settings.

4. Here, in the Advanced settings menu, expand the Display option by clicking on the + icon.

5. Expand the Turn off display after option by clicking on the + icon.

6. Click on On battery and change the setting to Never from the drop-down list.

7. Click on Plugged in and change the setting to Never.

8. Click on Apply and OK to save the changes.

9. Restart your system and check if the issue is solved now.

Note: If you find the Adaptive Brightness option under Display, follow the same procedure and set the On battery and Plugged in values to OFF.

Also Read: Fix PC Turns On But No Display

Method 5: Re-enable Plug and Play Monitor (for PnP monitors)

If you use a Plug and Play ( PnP) monitor and if you can’t change brightness Windows 10, this method is for you. Any updates or the driver itself disables it, causing Windows 10 brightness not working issue. It is a good choice to make sure if the PnP monitor is disabled on your device.

Option I: Enable PnP monitors

1. Launch Device manager as shown in Method 2A and navigate to the Monitors section.

 

2. Double-click on Monitors to expand it.

3. Right-click on Generic PnP Monitor and select Enable device.

Note: If you do not see Enable device option, your PC does not have a disabled Generic PnP Monitor. In this case, you can directly skip to the next method.

4. Finally, restart your PC and check if you have fixed the issue.

Option II: Uninstall hidden devices under PnP Monitors.

1. Open the Device Manager as shown in Method 2A and navigate to the View tab to select Show hidden devices .

6. Expand the Monitors section, and a list of hidden monitors will be displayed.

Note: Hidden monitors will appear translucent than the real ones.

7. Right-click on all the translucent monitors and select Uninstall device option. Repeat this step until you delete all the hidden PnP monitors.

Also Read: How to Change Screen Brightness in Windows 10

Method 6: Tweak Registry Editor Settings

If you are an ATI user and if you have Catalyst installed on your device, you can’t change the brightness Windows 10 due to a bug in Catalyst version 15.7.1. To resolve the problem, follow the below-mentioned steps.

1. Open the Run dialog box by pressing Windows + R key together.

2. Type regedit and hit Enter key.

3. Navigate to the following path in your registry editor.

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0000

3. Double-click on these following keys (if any) and set their value to 0 then click OK:

• MD_EnableBrightnesslf2
• KMD_EnableBrightnessInterface2

4. Again, navigate to the following key folder path:

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

5. Double-click on these following keys (if any) and set their value to 0 then click OK:

• MD_EnableBrightnesslf2
• KMD_EnableBrightnessInterface2

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We hope that this guide was helpful and you could fix Windows 10 brightness not working. Let us know which method worked for you the best. Also, if you have any queries/suggestions regarding this article, then feel free to drop them in the comments section.

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