How to delete yellow exclamation mark driver error with SM Bus Controller in Windows 11/10 Device Manager? This library offers multiple solutions.

1. Title: Remove Exclamation Mark on SM Bus Controller in Device Manager
Keywords: smbuscontroller,sm buscontrollerdriver,whatissm buscontroller, smbuscontroller
driverdell, smbuscontrollerdriverLenovo,intelsm buscontroller, smbuscontrollerdriverhp
Description: How to delete yellow exclamation mark driver error with SM Bus Controller in
Windows 11/10 Device Manager? This library offers multiple solutions.
URL: https://www.minitool.com/lib/sm-bus-controller.html
Summary: This knowledge base displayed by MiniTool official website mainly introduces a kind of
motherboard chipset driver called SM Bus Controller and provides severalsolutions to resolve its
unrecognizable problem.
Have you everheardof SM Bus Controllerorseensucha name inyour systemDevice Manager
underOther devicessection?Howdoyoureact if there is a yellow exclamationmark anda question
mark (whichindicatesthereissomethingwrong) locatedonit?Let’ssee oursolutions!
What Is SM Bus Controller?
SM BusController,alsocalledSystemManagementControllerorSMBus Controller,isanIntel
chipsetonthe computermotherboard.The general purpose of itistomonitorthe board’svoltage
and temperature. SMBusControllerserversforlow-speed,systemmanagementcommunications. It
isintegratedintomostIntel chipsets.
Alt=SMBusControllerinDevice Manager

2. Why There Is an Exclamation Mark on Driver in Device Manager?
Usually,thisisseenafteryoureinstall orupdate the operatingsystem(thisismysituation),orroll
back/downgrade Windows.Windowsdoesn’thave native driversupportforthe chipsetthatis
includedonthe systemboard. Thatis to say,SM BusControllerdoesn’t have adriver,Intel SMBus
Controllermissingdriver,orSMBus Controllerdrivernotfound. to
How to Resolve SM Bus Controller Exclamation Mark Issue?
To remove the exclamationmarkonthe SystemManagementBusControllerIntel,youneedtoget
driversforSM BusController. Youcan downloadandrunthe Intel ChipsetSoftware Installation
Utility.
The followingwill teachyouhowtoperform Intel SMBus Controllerdriverdownloadforsome
popularcomputerbrandsand the methodsapplytoWindows11, Windows10, Windows8/8.1,
Windows7, WindowsVista,aswell asWindowsXP,both32/64 bit.
SM Bus Controller driver Dell
1. Go to the Dell Supportwebpage.
2. IdentifyyourDell product.
 SelectyourDell productfromthe list.
 Inputyour Dell Service Tag, Serial Number,or Model andclick Search.
 Click Browse all products.
 Clickon the Download & Install SupportAssitbutton.
Tip: SupportAssistwillidentify yourDell computerautomatically.
3. On the productsupportpage,select Driversand downloads.
4. Toggle the Show driversfor Service Tag buttonto retrieve alistof the driversforyour OS’
factory-installedhardware andotherrecommendeddrivers. DetectDriversoptionscansthe
PC andpresentsa concise listof recommendeddriversandsoftware thatrequiresupdates.
5. SelectChange OS and make sure that the correct versionof Windowsthatisinstalledon
your computerisselected.
6. Findthe Intel or AMD ChipsetDevice Software Driver that is applicable foryourmachine.
7. Click Download.
8. If you are warnedtorun or save the file. ChooseSave andselecta preferredlocation.
9. Whenthe downloadfinishes,runthe .exe file.
Alt=identifyyourDell product
You may needtorestartyour computerto complete the process.

3. SM Bus Controller Driver Lenovo (Ideapad)
If the Intel SMBusControllerisnotrecognizedinDevice ManagerinyourLenovocomputer,youcan
solve the problemwiththe followingsteps.
1. Move to Lenovosupportwebsite.
2. Searchfor your product.
3. SetComponentas Chipset.
4. Findthe ChipsetDriver and selectthe correctsystem.
5. Choose Download.
Alt=Lenovosupportcenter
SM Bus Controller Driver HP
If you change your systemversion,nomatterupgrade ordowngrade,youmayreceive ayellow
exclamationmarkonthe SM BusController whose general propertiessaying“The driversforthis
device are notinstalled.(Code28) There are no compatible driversforthisdevice.Tofindadriver
for thisdevice.ClickUpdate Driver.”
However,whenyoutryto update itsdriver,youmay getan error showingthat:
CannotInstall thisHardware
There wasa probleminstalling thishardware:
SMBus Controller
An error occurred during theinstallation of thedevice:
The driver installation file for this device is missing a necessary entry.This may be becausetheINF
waswritten forWindowsx or later. Contactyourhardwarevendor.

4. Alt=Cannot Install SMBus Controller driver
Justfollow the belowinstructionstohandle the issue.
1. ConnectyourPC to the Internet.
2. OpenWindowsDevice Manager.
3. Findthe SM Bus Controlleroption.Itis usuallyunderthe Otherdevicessection.If not,tryto
lookforit withinthe Systemdevicessection.
4. Right-clickonSMBus ControllerandselectUpdate driver.

5. Alt=update SMBus Controllerdriver
If the updatingdrivercan’tfix the issue,continue withthe followingguide.
1. OpenWindows DirectXDiagnosticTool.
2. Navigate toits Display tab.
3. FindyourChip Type inthe Device section.
4. Searchand findthe official websiteof yourchip.
5. Downloadandinstall the properdriversforyourchipset.

6. Alt=computerchiptype inDirectXDiagnosticTool
Beloware the official websitesforcommonchipdrivers:
 Intel
 AMD
 NVIDIA
General Solutions for SM Bus Controller
Besidesthe above fixesfordifferentbrandsof PCs,there are some general methodsthatapplytoall
kindsof computers includingotherbrandsof PCslike Asus,Toshiba (Satellite), andGigabyte.
 Update SM Bus Controllerdriver.
 Uninstall andreinstall SMBusControllerdriver.
 RollbackSMBus Controllerdriver.
 Update Windows.
 ResetWindows.
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