Qaar ka mid ah dadka isticmaala kombuyuutarrada ayaa la kulma arrin aan caadi ahayn oo ku saabsan kiiboodhka wireless-ka, kuwaas oo ah kiiboodhka wireless-ka ee Microsoft , oo marka ay ku xidhaan kumbuyuutarka USB-ga^(USB) ah ee caadiga ah ay isticmaali karaan kumbuyuutarka Windows 11/10 , laakiin wakhtiga wireless-ku xiran yahay, oo ay riixaan mid kasta. furaha kiiboodhka, kombayuutarku wuu shilmay oo tuurayaa DARIIWAHA IRQL AAN KA YAREYN AMA SINNAAN (kbdclass.sys) Qaladka ^{(DRIVER IRQL NOT LESS OR EQUAL (kbdclass.sys))} Shaashadda buluuga ah ee dhimashada . Boostadani waxay bixisaa xalalka ugu habboon ee arrintan.

KBDCLASS.SYS waa Fasalka^{(Keyboard Class)} Kiiboodhka , kaas oo loo kala saaro darawalnimo. Waxay mas'uul ka tahay goobaha guud ee kiiboodhka dhexdiisa - darawalkani wuxuu qabtaa dhammaan furayaasha furaha la isku daray iyo sidoo kale dhammaan furaha kaliya ee aad ku dhufatid kiiboodhka.

Dhammaan fasallada Windows waxay leeyihiin kood gaar ah oo iyaga loo qoondeeyay. Haddii fasalka la soo saaray aanu ahayn faylka nidaamka, markaas waxaa laga yaabaa inaadan la kulmin dhibaatooyin. Si kastaba ha ahaatee, kiiskan gaarka ah, faylka .sys waa faylka nidaamka. Sidaa darteed, haddii koodka fasalkan wax laga beddelo si kastaba, KBDCLASS.SYS way burburi doontaa, taas oo keeni doonta khaladka BSOD iyo dhibaatooyin kale.

DRIVER_IRQL_NOT_LESS_AMA_EQUAL^{(DRIVER_IRQL_NOT_LESS_OR_EQUAL)} (kbdclass.sys) BSOD

Haddii aad la kulanto arrintan, waxaad isku dayi kartaa xalalkayaga hoos ku qoran oo aan si gaar ah u kala horrayn oo arag haddii ay taasi caawinayso xallinta arrinta.

1. Ka saar software-ka ilaalinta xisbiga 3aad (haddii ay khusayso)
2. Cusbooneysii darawalka
3. Dareewalka kiiboodhka Rollback
4. Dib u rakib Koontaroolayaasha USB
5. Samee Soo Celinta Nidaamka

Aynu eegno sharraxaadda habka ay khusayso mid kasta oo ka mid ah xalalka taxan.

Haddii aad si caadi ah u gali karto, wanaagsan; Haddii kale waxaad u baahan doontaa inaad  gasho Mode Safe^{(boot into Safe Mode)} , geli  Advanced Startup options screen , ama  isticmaal Warbaahinta Rakibaadda si^{(use the Installation Media to boot)}  aad u awoodo inaad ufuliso tilmaamahan.

1] Ka saar^(Uninstall) software amniga xisbiga 3aad (haddii ay khuseyso)

Khaladku waa arrin la og yahay oo uu sababay Webroot antivirus. Si kale haddii loo dhigo, arrintu waxay ka dhalatay khilaafka u dhexeeya darawalka kiiboodhka wireless-ka iyo software Webroot . Xaaladdan oo kale, si aad u xalliso arrinta, hubi inaad socodsiinayso nuqulkii ugu dambeeyay ee antivirus Webroot , maadaama Webroot uu ka warqabo arrinta oo uu u sameeyay oo sii daayay balastar.

Si kastaba ha noqotee, haddii arrintu weli aan la xallin, waa inaad ka saartaa barnaamijka antivirus-ka saddexaad ee kombuyuutarkaaga adoo isticmaalaya qalabka ka saarista^{(removal tool)} si aad u tirtirto dhammaan faylasha la xidhiidha Webroot AV sababtoo ah qaar ka mid ah isticmaalayaasha Webroot ayaa laga saaray Windows 10 PC ayaa ahaa. weli waxaa saameeyay qaladka BSOD . Markaa, way ka hufan tahay oo aad bay u dhib badan tahay in la isticmaalo aaladaha uninstall-ka caadiga ah ee barnaamijka AV ee soo saaraha, haddii la heli karo, mar kasta oo la tirtiro software-ka fayraska, maadaama ay jiraan diiwaanno iyo ku-tiirsanaan, oo lagu rakibay gudaha OS-ka kaas oo ah furaha Guddiga Xakamaynta^{(Control Panel)} dhaqameed (appwiz). .cpl) waxa laga yaabaa inay seegto inta badan kiisaska.

2] Cusbooneysii darawalka

Darawalada khaldan ama duugoobay ayaa sidoo kale kicin kara qaladkan BSOD .

Xaaladdan oo kale, waxaad u  cusbooneysiin kartaa darawalkaaga gacanta adoo isticmaalaya Maareeyaha Aaladda^{(update your driver manually via the Device Manager)} , ama waxaad heli  kartaa cusboonaysiinta darawalka^{(get the driver updates on the Optional Updates)}  qaybta Cusbooneysiinta Ikhtiyaarka ee hoos timaada Windows Update . Waxa kale  oo aad ka soo dejisan kartaa nooca ugu dambeeyay ee darawalka^{(download the latest version of the driver)}  bogga soo saaraha.

3] Dareewalka kiiboodhka Rollback

Haddii Windows ay si toos ah ugu rakibtay cusboonaysiinta Aaladda Kiiboodhka HID^{(HID Keyboard Device)} oo cusboonaysiinta tooska ah ay beddeshay koodka fasalka kiiboodhka tani waxay ka dhigi kartaa khaladku inuu soo muuqdo.

Xaaladdan oo kale, waxaad dib u soo celin kartaa darawalka kiiboodhka HID ee hoos yimaada qaybta Aaladaha Interface Human ee ^{(Human Interface Devices)}Maareeyaha Aaladda^{(Device Manager)} , oo arag haddii taasi ku caawinayso.

4] Dib u rakib Koontaroolayaasha USB

Si aad dib ugu rakibto kontaroolayaasha USB^{(USB Controllers)} , waa inaad marka hore ka saartaa. Intaa ka dib, dib u bilow nidaamka iyo kantaroolayaasha si toos ah ayaa dib loogu rakibi doonaa. Si aad isaga saarto kontaroolayaasha USB , samee waxyaabaha soo socda:

• Riix Windows key + X si aad u furto Menu Isticmaalaha Awooda.
• Riix furaha M ee kiiboodhka si aad u furto ^(M)Maareeyaha Aaladda^{(Device Manager)} .
• Markaad gudaha u gasho Maareeyaha Qalabka^{(Device Manager)} , hoos ugu dhaadhac liiska aaladaha rakibay.
• Kordhi qaybta Kontaroolayaasha Taxanaha BUS ee Caalamiga^{(Universal Serial BUS Controllers)}  ah.
• Midig ku dhufo Generic USB Hub oo dooro qalabka Uninstall.
• Si la mid ah u samee galitaanka Hubka Xididka ee USB kasta.^{(USB Root Hubs )}
• Kumbuyuutarkaaga dib u bilow marka la dhammeeyo.

Arrinta hadda waa in la xaliyaa. Haddii kale, sii wad xalka xiga.

5] Samee Nidaamka Soo Celinta

Habkani aad buu wax ku ool u yahay xallinta arrimaha intooda badan Windows 11/10 , oo ay ku jiraan khaladaadka BSOD sida tan. Waxaad ku soo celin kartaa nidaamkaaga meel hore . Tani waxay dib ugu soo celin doontaa nidaamkaaga meel hore markii nidaamku si sax ah u shaqeynayey.

Waxaan rajeynayaa in tani ay ku caawineyso!

Qoraal la xidhiidha^{(Related post)} : DRIVER_IRQL_NOT_LESS_OR_EQUAL (ndistpr64.sys) BSOD .

DRIVER_IRQL_NOT_LESS_OR_EQUAL (kbdclass.sys) BSOD error

Some PC users are experiencing an unυsual issue with wireless keyboards, namely Microsoft wireless keyboards, whereby when they plug in a standard corded USB keyboard they can use the Windows 11/10 computer, but the moment the wirеless is plugged in, and they push any key on the keyboard, the computer сrashes and throws the DRIVER IRQL NOT LESS OR EQUAL (kbdclass.sys) Blue Screen of Death error. This post provides the most suitable solutions to this issue.

KBDCLASS.SYS is a Keyboard Class, which is classified as a driver. It’s responsible for the generic settings within a keyboard – this driver handles all keyboard key combinations as well as all single key you tap on the keyboard.

All Windows classes have particular codes assigned to them. If the class that is being issued is not a system file, then you may not experience problems. However, in this particular case, the .sys file is a system file. Therefore, if the code of this class gets altered in any way, the KBDCLASS.SYS will crash, consequently triggering the BSOD error and other problems.

DRIVER_IRQL_NOT_LESS_OR_EQUAL (kbdclass.sys) BSOD

If you’re faced with this issue, you can try our recommended solutions below in no particular order and see if that helps to resolve the issue.

1. Uninstall 3rd-party security software (if applicable)
2. Update driver
3. Rollback keyboard driver
4. Reinstall USB Controllers
5. Perform System Restore.

Let’s take a look at the description of the process involved concerning each of the listed solutions.

If you can log in normally, good; else you will have to boot into Safe Mode, enter Advanced Startup options screen, or use the Installation Media to boot to be able to carry out these instructions.

1] Uninstall 3rd-party security software (if applicable)

The error is a known issue caused by Webroot antivirus. In other words, the issue arises due to the conflict between the wireless keyboard driver and Webroot software. In this case, to resolve the issue, make sure you’re running the latest version of Webroot antivirus, since Webroot is aware of the issue and has created and released a patch for it.

However, if the issue is still unresolved, you’ll have to remove the third-party antivirus program from your PC using the dedicated removal tool to remove all files associated with Webroot AV because some users who have Webroot uninstalled from their Windows 10 PC were still affected by the BSOD error. So, it’s much more efficient and invasive to use the custom uninstall tools for the AV program from the manufacturer, if available, whenever uninstalling antivirus software, as there are registries and dependencies, installed deep within the OS which the traditional Control Panel uninstaller (appwiz.cpl) might miss in most cases.

2] Update driver

Faulty or outdated drivers may trigger this BSOD error as well.

In this case, you can either update your driver manually via the Device Manager, or you can get the driver updates on the Optional Updates section under Windows Update. You may also download the latest version of the driver from the manufacturer’s website.

3] Rollback keyboard driver

If Windows has automatically installed an update for your HID Keyboard Device and the automatic update altered the keyboard class code this could make the error appear.

In this case, you can rollback the HID Keyboard driver under the Human Interface Devices section in Device Manager, and see if that helps.

4] Reinstall USB Controllers

To reinstall USB Controllers, you have to uninstall them first. After that, restart the system and the controllers will be reinstalled automatically. To uninstall USB controllers, do the following:

• Press Windows key + X to open the Power User Menu.
• Press M key on the keyboard to open Device Manager.
• Once you’re inside Device Manager, scroll down through the list of installed devices.
• Expand the Universal Serial BUS Controllers section.
• Right-click on Generic USB Hub and select Uninstall device.
• Do the same for any USB Root Hubs entry.
• Restart your computer when done.

The issue should be resolved now. If not, proceed with the next solution.

5] Perform System Restore

This procedure is highly effective in resolving most issues on Windows 11/10, including BSOD errors such as this. You can restore your system to an earlier point. This will restore your system to an earlier point when the system was working correctly.

Hope this helps!

Related post: DRIVER_IRQL_NOT_LESS_OR_EQUAL (ndistpr64.sys) BSOD.

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