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Troubleshooting

my win pc is not detecting my canon printer

First check the power, connection, USB cable or Wi-Fi status, and confirm that the printer has no error prompts; 2. Run the built-in printer troubleshooting tool for Windows to automatically fix the problem; 3. Make sure that the printer is not marked as "offline", and if it is offline, cancel the "Use Printer Offline" option; 4. If it still cannot be detected, manually add the printer and select the correct port and driver type; 5. Install the latest driver through Windows update or download and install the latest driver from Canon official website to avoid using third-party websites; 6. Check and start the printing background processing service, and clear the stuck printing task if necessary; 7. Try to connect the printer to other devices to determine whether the problem lies with the PC itself; finally restart the printer and computer, reconfigure the wireless settings and

Aug 03, 2025 am 03:42 AM

computer printer

how to fix 'the group policy client service failed the logon. access is denied' on win

BootintoSafeModewithCommandPromptusingF8oraWindowsUSBtoaccessrecoveryoptions.2.Enablethebuilt-inAdministratoraccountbyrunning"netuseradministrator/active:yes"inCommandPromptandsetapassword.3.Fixpermissionsontheuserprofilefolderbytakingowner

Aug 03, 2025 am 03:27 AM

how to fix realtek audio driver issues on my win pc

First,checkifaudioismutedordisabledbyensuringvolumeisup,thecorrectoutputdeviceisselectedinSoundsettings,andtheRealtekdeviceisenabledinthePlaybacktabunderSoundinControlPanel.2.UpdateorreinstalltheRealtekaudiodriverviaDeviceManagerbyselecting"Upda

Aug 03, 2025 am 03:26 AM

my win pc is not detecting my drawing tablet

CheckthebasicsbytryingadifferentUSBport,usingtheoriginalcable,testingonanothercomputer,andensuringthetabletispoweredon.2.Installorupdatethecorrectdriversbydownloadingthelatestversionfromthemanufacturer’swebsite,uninstallingolddriversfirst,andrestarti

Aug 03, 2025 am 03:23 AM

how to fix 'class not registered' error on win 10

"Classnotregistered" error is usually caused by incorrect registration of COM objects. Solutions include: 1. Run the program as an administrator; 2. Use regsvr32 to re-register relevant DLLs or OCX files, such as scrrun.dll, msxml3.dll, etc.; 3. If it is an Office-related problem, select Microsoft Office online through the control panel; 4. Ensure that the 32-bit or 64-bit DLL is registered with the corresponding version of regsvr32. The 32-bit DLL should use C:\Windows\SysWOW64\regsvr32.exe; 5. Uninstall and reinstall the problematic software to ensure that the components are correct.

Aug 03, 2025 am 03:11 AM

how to fix microsoft store downloads getting stuck at 99%

First try to pause and resume download or restart download; 2. Run wsreset.exe to clear the Microsoft Store cache; 3. Restart WindowsStoreInstallService and BackgroundTasksInfrastructureService and set it to automatically start; 4. Use Windows built-in WindowsStoreApps troubleshooting tools; 5. Run the PowerShell command as an administrator to re-register Microsoft Store applications; 6. Check and install all available Windows updates; 7. Make sure the disk has more than 5-10GB of available space

Aug 03, 2025 am 02:42 AM

how to fix 'potential windows update database error detected' in win

RuntheWindowsUpdateTroubleshooterviaSettings>System>Troubleshoot>Othertroubleshooters.2.RestartWindowsUpdate,CryptographicServices,BITS,andMSIServerviaservices.mscorCommandPromptusingnetstopandnetstartcommands.3.RenametheSoftwareDistribution

Aug 03, 2025 am 02:36 AM

bug fixes

What does 'This site can't be reached' mean in Google Chrome?

Checkifotherwebsitesload;ifnot,restartyourWi-Firouterorswitchnetworks—onmobile,togglebetweenWi-Fianddata.2.Thewebsitemaybedownorunavailable;usetoolslikeDownForEveryoneOrJustMetoconfirmglobaloutagesandtryagainlater.3.DNSproblemsmaypreventChromefromres

Aug 03, 2025 am 02:34 AM

error message

how to fix 'operation did not complete successfully because the file contains a virus' win defender error

First, confirm whether it is a false positive and use VirusTotal and other tools to detect file security; 2. If you are sure that the file is safe, you can temporarily close the real-time protection of Microsoft Defender; 3. It is recommended to add files or folders to the Defender exclusion list for a long time to resolve; 4. If the file has been quarantined, you can recover from the protection history; 5. Check and update the Defender virus definition; 6. Advanced users can try to extract files on the command line; finally, be sure to verify that the file is safe before operating to avoid permanently closing the protection.

Aug 03, 2025 am 02:20 AM

the win shift s shortcut for snipping tool is not working

First check whether Snip&Sketch is enabled and allows it to run in the background; 2. Re-register Snip&Sketch through PowerShell; 3. Troubleshoot conflicting software such as Discord or OBS; 4. Make sure the PrintScreen shortcut is enabled in settings; 5. Run the keyboard troubleshooting tool; 6. Check whether the group policy or registry is disabled; 7. Update or reset the graphics card driver; 8. If it is still invalid, you can manually open the screenshot tool and finally confirm the source of the problem through safe mode test. In most cases, you can solve it by re-registering the application or opening the shortcut. This is a setting problem rather than a hardware failure.

Aug 03, 2025 am 02:03 AM

shortcut key

How to troubleshoot a black screen after a Windows update?

First,confirmthesystemisrunningbycheckingforsounds,pressingCtrl Alt Del,orconnectinganexternalmonitortoruleoutdisplayissues.2.BootintoSafeModebyforcingthreeshutdownsduringstartup,thenaccessStartupSettingsandselectSafeMode.3.UninstalltherecentWindowsu

Aug 03, 2025 am 01:48 AM

windows black screen