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Num Lock key won't turn on or off

TryFn NumLockorsimilarkeycombinationtotoggleNumLock,especiallyonlaptopswherenumericfunctionsareoverlaidonregularkeys.2.Usetheon-screenkeyboard(Win Ctrl O)tocheckifNumLockworksthere,helpingdistinguishbetweenhardwareandsoftwareissues.3.Updateorreinstal

Aug 04, 2025 am 10:39 AM

how to fix logitech g hub not detecting mouse

The following are the steps to solve the problem that Logitech GHUB cannot detect mouse problems: 1. Check the basic connection, including changing the USB interface, using different cables, and testing the mouse on other computers; 2. Turn off GHUB and reconnect the device, wait for 10 seconds before restarting the software; 3. Update or reinstall the GHUB software and drivers, and check the status in the device manager; 4. Ensure that HID service and background permissions are enabled. Following these steps usually solves the problem.

Aug 04, 2025 am 10:27 AM

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Google Chrome update failed with an error

Checkyourinternetconnectiontoensureit'sstableandnotrestrictedbynetworkpolicies.2.RestartChromeandyourcomputertoresolvetemporaryglitches.3.OnWindows,useChrome’sbuilt-inrepairtoolviaSettings>Advanced>Resetandcleanup>Cleanupcomputer.4.Manuallyd

Aug 04, 2025 am 10:10 AM

Update failed

How to resolve ERR_NETWORK_CHANGED in Google Chrome?

Checkyourinternetconnectionandensureitisstablebytestingotherwebsitesorrestartingyourrouter;2.RestartChromeorflushsocketpoolsviachrome://net-internals/#socketstoclearstaleconnections;3.Disableextensionsornetwork-interferingsoftwarelikeVPNsandtestininc

Aug 04, 2025 am 10:07 AM

chrome Network Error

My bookmarks are not syncing in Google Chrome

ConfirmsyncisturnedoninChromebycheckingtheprofileiconandensuring"Syncison"appears;2.Verifybookmarksareincludedinsyncsettingsunder"Choosewhattosync"inyourGoogleAccount;3.Refreshsyncbytogglingitoffandonatchrome://settings/syncSetupa

Aug 04, 2025 am 10:02 AM

書簽同步

the win 10 'people' app is not working or syncing contacts

EnsureMicrosoftaccountsyncsettingsareenabledforcontactsunderSettings>Accounts>Syncyoursettingsandverifytheaccountisconfiguredtosynccontacts.2.AllowthePeopleapptoruninthebackgroundviaSettings>Privacy>Backgroundappstoenableautomaticsyncing.

Aug 04, 2025 am 09:54 AM

win10 People應(yīng)用

how to fix 'the security database on the server does not have a computer account for this workstation' on win

Loginwithalocaladministratoraccounttoregainaccess.2.Removethecomputerfromthedomainbychangingittoaworkgroupandrestartthesystem.3.Rejointhecomputertothedomainusingdomainadministratorcredentialsandrestartagain.4.Loginwithdomaincredentialstoconfirmthecom

Aug 04, 2025 am 09:31 AM

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my win pc is not detecting my raid array after an update

First,checkRAIDstatusinBIOS/UEFIorRAIDutilitybyrestartingandenteringthesetup(Del,F2,orF10),ensuringSATAmodeissettoRAID(notAHCIorIDE),andverifyingthearrayisdetectedandhealthyusingCtrl I,Ctrl R,orF10ifapplicable.2.Next,ensureRAIDdriversareinstalledinWi

Aug 04, 2025 am 09:30 AM

how to fix circular reference error in Excel

IdentifythecircularreferenceusingthestatusbarorFormulas→ErrorChecking→CircularReferencestofindtheproblematiccell.2.Examinetheformulaintheflaggedcelltodetermineifitdirectlyorindirectlyreferencesitself,suchasaSUMformulawithintherangeitsumsorachainofint

Aug 04, 2025 am 09:28 AM

excel circular reference

Why is the 'Send tab to your device' feature not working in Google Chrome?

Ensureyou’resignedintothesameGoogleaccountonalldevicesandthatChromesyncisenabledwithtabsincluded;togglesyncoffandonifneeded.2.Confirmalldevicesareonline,haverecentChromeactivity,andpreferablyconnectedtothesameWi-Finetwork;openChromeonthetargetdevicet

Aug 04, 2025 am 09:27 AM

how to fix 'the windows management instrumentation (wmi) service is not running' on a win pc

First try to start the WMI service manually, and if it fails, go to the next step; 2. Use the WMI console (wmimgmt.msc) to check the error to confirm whether there is a WMI provider connection problem; 3. Run the command prompt as an administrator, stop the winmgmt service, rename the %windir%\System32\wbem\repository folder to repository.old, restart the service to rebuild the repository and restart the computer; 4. Enter the wbem directory in the administrator command prompt, register all DLLs and EXE files one by one, and then execute winmgmt/salvagerepository and winmgmt/resetre

Aug 04, 2025 am 09:21 AM

How to fix Windows 10 activation error

CheckyourinternetconnectiontoensureWindowscanconnecttoMicrosoft’sactivationservers.2.RuntheWindowsActivationTroubleshooterviaSettings>Update&Security>Activationtoautomaticallyfixcommonissues.3.Reinstalltheproductkeyifyouhaveavalidone,especi

Aug 04, 2025 am 09:09 AM

Why is Google Chrome not playing sound on YouTube?

UnmutetheYouTubetaborsiteinChromebycheckingthespeakericonorsitesettings.2.EnsuresystemandbrowservolumearenotmutedintheOSvolumemixer.3.Disableconflictingextensionslikeadblockers,ortestinIncognitomode.4.TurnoffhardwareaccelerationinChromesettingsandver

Aug 04, 2025 am 09:05 AM

chrome youtube

the win 11 volume mixer is not showing all apps

TheVolumeMixerinWindows11maynotshowallappsbecauseitonlydisplaysactivelyplayingaudioapps;2.Ensuretheappisplayingsound,wait5–10seconds,andinteractwithittotriggeraudiodetection;3.RestartWindowsAudioandWindowsAudioEndpointBuilderservicesviaservices.msc;4

Aug 04, 2025 am 09:02 AM