Why does Windows keep changing my default printer?
Windowsprioritizesnetworkorsharedprinterswhenswitchinglocationsornetworks,somanuallysetyourpreferredprinterasdefaultandremoveunusedones.2.The"LetWindowsmanagemydefaultprinter"settingisoftenenabledbydefaultandcausesautomaticchangesbasedonusa
Aug 05, 2025 am 05:26 AM
How to fix a second monitor not detected in Windows
First check the physical connection and hardware to ensure that the monitor is powered up and the cables are firmly connected. Try to replace the cables or interfaces, and test the operation of the monitor on other devices; 2. Click "Detection" in the Windows display settings to identify the second monitor; 3. Update or reinstall the graphics card driver through the Device Manager, or download the latest driver from the Intel, NVIDIA, AMD official website; 4. Use tools such as NVIDIA control panel, AMD Radeon software or Intel graphics card center to try to detect the monitor; 5. Check the BIOS/UEFI settings, confirm that the external display output is not disabled, and pay attention to the interface restrictions of the notebook hybrid graphics card; 6. Try to detect the monitor in safe mode or in a new user account,
Aug 05, 2025 am 04:13 AM
How to disable driver signature enforcement in Windows
To disable Windows driver signature mandatory, please temporarily disable it through the Advanced Startup option: 1. Open settings and enter the system → Recovery → Advanced Startup; 2. Click "Restart now"; 3. Select Troubleshoot → Advanced Options → Start Settings → Restart; 4. Press F7 or 7 to select "Disable Driver Signature Mandatory". This setting is reset after the next restart. If you need to be disabled semi-permanently, you can run "bcdedit/settestsigningon" at the administrator command prompt, but it will reduce system security and display the "test mode" watermark. It is recommended to use it if necessary and trust the driver source. After completion, you can use "bcdedit/settestsigningoff" to restore it.
Aug 05, 2025 am 03:58 AM
How to boot Windows in safe mode with networking
TobootintoSafeModewithNetworkingonWindows10or11,useoneofthesemethods:1.Fromthesign-inscreen,holdShiftandclickRestart,thengotoTroubleshoot→AdvancedOptions→StartupSettings→Restart,andpressF5or5toenableSafeModewithNetworking;2.FromwithinWindows,pressWin
Aug 05, 2025 am 03:31 AM
How to find the performance monitor in Windows
PressWin R,typeperfmon,andpressEntertoopenPerformanceMonitordirectly,whichisthequickestmethod.2.Searchfor"PerformanceMonitor"or"perfmon"intheStartmenuandclicktheapptolaunchit.3.OpenControlPanel,gotoSystemandSecurity>Administrat
Aug 05, 2025 am 02:37 AM
Windows 10 PIN not available 'Something happened and your PIN isn't available'
This problem is usually caused by system components, service abnormalities or account configuration problems; 2. If you can log in with your password, press Win R to enter services.msc to find CredentialManager, WindowsBiometricService and WindowsHelloPINService to ensure that they are running and try to restart; 3. You can try to rebuild the PIN database, clear the corrupt PIN information and reset it. After the operation is completed, restart the computer to restore the PIN login function.
Aug 05, 2025 am 02:32 AM
How to fix 'You require permission from TrustedInstaller' to make changes in Windows?
Tofixthe“YourequirepermissionfromTrustedInstaller”error,firsttakeownershipofthefileorfolderbygoingtoProperties→Security→Advanced→Owner→Change,thenenteryourusernameorAdministratorsandcheckReplaceowneronsubcontainersandobjects.2.Aftertakingownership,gr
Aug 05, 2025 am 02:18 AM
How to configure assigned access for a user account in Windows
CreateastandardlocaluseraccountwithoutaMicrosoftaccount.2.ChooseaUWPappsupportedforkioskmode.3.AssigntheapptotheuserviaSettingsunderFamily&otherusers.4.Testthesetuptoensureonlythedesignatedapprunsandsystemaccessisrestricted,withtroubleshootingapp
Aug 05, 2025 am 01:28 AM
How to reset a forgotten local account password in Windows
Ifyouhaveanotheradministratoraccount,logintoit,opennetplwiz,selectthelockedaccount,andresetthepassword.2.Ifyoucreatedapasswordresetdisk,useitbyclickingResetpasswordontheloginscreenandfollowingthewizard.3.IfyouhaveWindowsinstallationmedia,bootfromit,u
Aug 05, 2025 am 12:43 AM
How to fix 'You'll need a new app to open this' dialog in Windows?
PressWindows ItoopenSettings,gotoApps>Defaultapps,thenclick"Choosedefaultappsbyfiletype"toassignthecorrectappforspecificextensionslike.pdfor.mp4;2.Forprotocolslikehttp,https,ormailto,click"Choosedefaultappsbyprotocol"andsetyour
Aug 05, 2025 am 12:33 AM
How to manage app and browser control in Windows
UseMicrosoftFamilySafetytomanageappandbrowseraccessbysettingage-basedrestrictions,screentimelimits,andviewingactivityreportsthroughachild’sMicrosoftaccount.2.ApplyWindowsParentalControlsonlocalaccountstoenforcetimelimits,gamerestrictions,andblockspec
Aug 05, 2025 am 12:30 AM
How to fix 'SYSTEM_THREAD_EXCEPTION_NOT_HANDLED' in Windows
Update or rollback drivers, especially graphics card, network card and storage controller drivers; 2. Run Windows memory diagnostic tool to detect RAM failures; 3. Use chkdsk to check and repair disk errors; 4. Run sfc/scannow and DISM to repair system files; 5. Uninstall recently installed software or system updates; 6. Enter safe mode to test whether it is caused by third-party drivers or software; 7. Check and cancel the overclocking settings to restore hardware stability; 8. Use BlueScreenView or WhoCrashed to analyze minidump files to locate fault drivers; 9. Perform a clean boot to eliminate software conflicts; 10. If the above is invalid, reset Windows and keep the files, and finally
Aug 05, 2025 am 12:05 AM
7 Best Windows File Explorer Shortcuts I Use Daily
By default, pressing this shortcut will direct you to the Home page of your File Explorer.However, if you'd prefer it to open in a different location, click the three-dot menu icon at the top, select "Options," and then choose your desired
Aug 04, 2025 pm 09:48 PM
How to clear the Microsoft Store cache in Windows
TocleartheMicrosoftStorecache,pressWindows R,typewsreset.exe,andpressEnter;wait10–15secondsfortheprocesstocompleteandtheStoretoreopenautomatically.2.Ifissuespersist,gotoSettings>Apps>Installedapps,findMicrosoftStore,clickAdvancedoptions,andtryR
Aug 04, 2025 pm 04:00 PM
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