Windows Hello fingerprint or face recognition not working
First, confirm whether WindowsHello is set correctly. If it is not set, you need to complete face or fingerprint registration in "Settings>Account>Login Options"; 2. Run WindowsHello troubleshooting tool built-in Windows to detect common problems; 3. Update or reinstall biometric drivers, including updating fingerprint devices or camera drivers in Device Manager, and download the latest drivers from the manufacturer's official website if necessary; 4. Make sure that BiometricService and CredentialManager services are enabled and running; 5. Check Group Policy or Registration Settings to confirm that biometric function is not disabled, where the registry key HKEY_LOCAL_MAC
Aug 02, 2025 am 09:14 AM
How to use the fltkhc command to check for filter driver issues in Windows
fltkhc.exeisnotalegitimateorstandardWindowstool,andthecorrectutilityformanagingminifilterdriversisfltmc.exe.2.Tocheckfilterdriverissues,openanelevatedcommandpromptandrunfltmctolistallloadedminifilterswiththeirstatus,altitude,andinstances.3.Investigat
Aug 02, 2025 am 09:13 AM
Windows 11 no sound
Checkvolume,appsound,connecteddevices,andcorrectoutputselectioninSoundsettings.2.Runthebuilt-inAudioTroubleshooterviaSettings→System→Sound.3.UpdateorreinstallaudiodriversthroughDeviceManagerordownloadthelatestversionfromyourPCormotherboardmanufacture
Aug 02, 2025 am 09:06 AM
How to repair the Component-Based Servicing (CBS) manifest in Windows
RunDISMwith/RestoreHealthtorepairthecomponentstoreandCBSmanifest,usingWindowsUpdateoraspecifiedsourcelikeaninstall.wimorISO.2.AfterDISMcompletes,runSFC/scannowtofixcorruptedsystemfilesusingtherepairedcomponentstore,repeatingifnecessaryuntilnoissuesre
Aug 02, 2025 am 09:05 AM
How to find the IP address on a Mac?
TofindyourlocalIPaddressonaMac,gotoSystemSettings>Network,selectyouractiveconnection(Wi-FiorEthernet),andviewthedisplayedIPaddress.2.Alternatively,useTerminalwiththecommandipconfiggetifaddren0forWi-Fioren1forEthernet,orrunifconfig|grep"inet&q
Aug 02, 2025 am 09:04 AM
How to Build a Custom Arch Linux Installation
DownloadtheArchISOandwriteittoaUSB,thenbootintotheliveenvironment.2.VerifyUEFImodewithls/sys/firmware/efi/efivars,connecttotheinternetusingDHCPoriwctlforWi-Fi,andsyncthesystemclockwithtimedatectlset-ntptrue.3.Partitionthediskwithfdisk,creatinganEFIpa
Aug 02, 2025 am 08:57 AM
How to remove items from Startup in Windows 11
OpenTaskManagerusingCtrl Shift Esc,gototheStartuptab,selectappswithhighimpact,andclickDisabletopreventthemfromlaunchingatstartup.2.Alternatively,openSettingswithWin I,navigatetoApps>Startup,andtoggleoffunwantedappsforasimplerinterface.3.Forhiddene
Aug 02, 2025 am 08:52 AM
How to find the model of my Mac?
TofindyourMacmodel,firstuse"AboutThisMac"byclickingtheApplemenu,selecting"AboutThisMac,"andviewingthemodelname,chip,serialnumber,andmacOSversion,withmoredetailsavailableviathe"SystemReport…"button.2.IftheMacwon’tturnon,l
Aug 02, 2025 am 08:33 AM
Where do downloads go on Mac?
YourdownloadedfilesonaMacaretypicallysavedintheDownloadsfolderbydefault;1.Tofindthem,openFinderandclickDownloadsinthesidebarorgotoGo>Downloadsinthemenubar;2.CheckbrowsersettingsinSafari,Chrome,orFirefoxtoconfirmthedownloadlocationifneeded;3.Youcan
Aug 02, 2025 am 08:18 AM
Windows 10 Search indexing was turned off
The search function of Windows 10 is invalid or slowed, which is likely because the search index service is turned off. It needs to be checked and processed in turn: 1. Press Win R to enter services.msc, find the WindowsSearch service, set its startup type to automatic and ensure that the service status is running. If it is not running, click Start; 2. If the service is running but the search is still abnormal, you need to rebuild the index, enter Settings → Search → Index Options → Advanced → Rebuild. This process takes a long time and is recommended to be performed when idle; 3. Click Modify in the index options to confirm that key folders such as desktop, documents, and downloads have been included in the index location; 4. Optionally run Search and Index Troubleshooting, the path is Settings → Update and Security → Troubleshooting → Search and Search
Aug 02, 2025 am 08:15 AM
my windows 11 keeps freezing
CheckforoverheatingbymonitoringCPU/GPUtemperatureswithtoolslikeHWMonitorandcleandustoruseacoolingpadiftempsexceed85–90°C.2.UpdateorrollbackdriversviaDeviceManager,especiallyfordisplayandchipset,anddownloadlatestdriversfrommanufacturerwebsites.3.RunSF
Aug 02, 2025 am 08:09 AM
Windows 10 Game Bar not working or opening
First, confirm whether GameBar is enabled, go to Settings > Game > GameBar, and turn on the "Record game clips, screenshots and broadcasts with GameBar" option; 2. Make sure that the game mode is turned on, go to Settings > Game > Game Mode, turn on the game mode and enable "Show GameBar when playing games"; 3. Run the built-in Windows troubleshooting tool, select "Windows Store Apps" or "Play Audio" to repair it; 4. Re-register GameBar through PowerShell, run PowerShell as an administrator and execute commands to re-register relevant components; 5. Check and install the latest Windows updates
Aug 02, 2025 am 07:50 AM
How to use the Get-WindowsUpdateLog command in PowerShell
TheGet-WindowsUpdateLogcmdletgeneratesacomprehensivelogfileofWindowsUpdateactivityfortroubleshooting.1.OpenPowerShellasAdministrator.2.RunGet-WindowsUpdateLogtocreateWindowsUpdate.logonthedesktop.3.Useoptionalparameterslike-LogPathtospecifylocation,-
Aug 02, 2025 am 07:37 AM
Optimizing Battery Life on a Linux Laptop
ToextendbatterylifeonaLinuxlaptop,usepowermanagementtoolslikeTLP,tuneCPU/GPUsettings,reducedisplayandperipheralpoweruse,andoptimizesystembehavior:1.InstallandenableTLPforautomaticpowersavings.2.SetCPUgovernortopowersaveandlimitmaxfrequency;switchtoin
Aug 02, 2025 am 07:29 AM
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