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Technical Articles

System Tutorial

How to Fix Windows 'BAD_POOL_HEADER' Error

Ifyouencounterthe"BAD_POOL_HEADER"error,trythesesteps:1.RunWindowsMemoryDiagnostic.2.Updateorrollbackdrivers.3.Checkdiskforerrors.4.Scanformalware.5.UseSFCtorepairsystemfiles.6.Disableoverclocking.

Aug 25, 2025 am 12:44 AM

What to do if your Android apps are not working in Win11? The solution for Windows Subsystem for Android issues

IfAndroidappsaren'tworkingonWindows11,trythesesteps:1.RestarttheWindowsSubsystemforAndroid.2.UpdateitviatheMicrosoftStore.3.EnablevirtualizationinBIOS.4.Reinstallthesubsystem.5.UpdateGPUdrivers.6.ReinstallappsandcheckpermissionsintheAmazonAppstore.

Aug 25, 2025 am 12:30 AM

How to fix 'No audio output device is installed' in Windows

Checkphysicalconnectionsandtestaudiodevicesonanothercomputertoruleouthardwareissues.2.RuntheWindowsAudioTroubleshooterviaSettings>System>Sound>Troubleshoottoautomaticallyfixcommonproblems.3.EnableaudiodevicesinSoundsettingsbyright-clickingth

Aug 25, 2025 am 12:12 AM

windows Audio issues

How to Change the Default Language Shortcut in Windows

If one of your keyboard keys stops functioning, it can be particularly problematic when that key is part of a frequently used shortcut. For multilingual users who regularly switch between languages, having a reliable and convenient keyboard shortcut

Aug 24, 2025 pm 08:03 PM

Why You Should Update Your BIOS

If you own a Windows PC or laptop, you’ve probably been told to avoid BIOS updates unless something is wrong, likely to prevent a catastrophic issue like bricking your motherboard. However, with security, performance, and compatibility all at stake,

Aug 24, 2025 pm 06:09 PM

What to do if you can't reset your PC in Win11? The solution for when Win11 reset fails

IfWindows11resetfailsorgetsstuck,trythesesteps:1.UseWinREtoresetviaTroubleshoot.2.PerformacleaninstallwithUSBmedia.3.RunSFCandDISMtofixsystemfiles.4.ClearTPMandresetBIOSsettings.5.Usetrustedthird-partytoolstowipeandreinstall.

Aug 24, 2025 pm 04:44 PM

fail Win11重置

Fix: Windows could not load the installer for network adapter

Ifyougetthe"Windowscouldnotloadtheinstallerfornetworkadapter"error,trythesesteps:1.UpdatethedriverviaDeviceManager.2.Reinstallthenetworkadapter.3.Runsfc/scannowtorepairsystemfiles.4.Downloadandinstallthelatestdriverfromthemanufacturer’swebs

Aug 24, 2025 pm 04:43 PM

How to free up disk space in Windows automatically

ToautomaticallyfreeupdiskspaceinWindows,useStorageSensetodeletetemporaryfilesandrecyclebincontents,scheduleDiskCleanupviaTaskScheduler,orconfigureGroupPolicyonPro/Enterpriseeditionstocleantemporaryfilesatlogoff.

Aug 24, 2025 pm 04:42 PM

windows disk space

Fixed: Windows Is Getting 'The group policy client service failed the logon' Error

BootintoSafeModebytriggeringAutomaticRepairandselectingSafeModewithNetworking.2.Runsfc/scannowandDISM/Online/Cleanup-Image/RestoreHealthtorepaircorruptedsystemfiles.3.CheckregistrypermissionsforHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentV

Aug 24, 2025 pm 04:41 PM

java programming

How to Harden Your Windows Server: A Security Checklist

KeepthesystemupdatedbyenablingautomaticupdatesviaWindowsUpdateorWSUS,regularlyapplyingsecuritypatchesduringmaintenancewindows,andtestingupdatesinnon-productionenvironmentsfirst.2.MinimizetheattacksurfacebyremovingunnecessaryrolesandfeaturessuchasTeln

Aug 24, 2025 pm 04:40 PM

Safety

How to split screen on a Mac?

SplitViewonaMacallowstwoappstobeusedsidebyside.1.Clickandholdthegreenbutton,dragthewindowtotheleftorright,thenselectasecondapptofilltheotherside.2.Switchappsbymovingthecursortothetoptoolbarorswipingwiththreefingersonthetrackpad.3.Adjustthesplitbydrag

Aug 24, 2025 pm 04:34 PM

Fresh Guide: Resolve Windows Flickering or Flashing Screen

IfyourWindowsscreenisflickering,trythesesteps:1.UpdateorreinstallgraphicsdriversviaDeviceManager.2.Disablefull-screenoptimizationsforaffectedapps.3.Setthecorrectdisplayrefreshrate.4.Runsfc/scannowtorepairsystemfiles.5.Checkforconflictingthird-partyap

Aug 24, 2025 pm 04:28 PM

What to do if Win11 Bluetooth is not connecting? The solution for Win11 Bluetooth connection issues

IfyourWindows11Bluetoothwon’tconnect,trythesesteps:1.RestarttheBluetoothSupportService.2.Runthebuilt-inBluetoothtroubleshooter.3.Removeandre-pairthedevice.4.UpdateorreinstallBluetoothdrivers.5.CheckAirplanemodeandphysicalBluetoothswitches.

Aug 24, 2025 pm 04:27 PM

Bluetooth win11

How to show the path bar in Finder on a Mac?

To display the path bar in Finder, first open Finder preferences, click Finder in the menu bar, select Settings (or Preferences), switch to the Advanced tab, check the "Show Path Bar" option, the path bar will appear at the bottom of each Finder window, display the full path of the current folder, and click any folder in the path to quickly navigate; in addition, you can use the shortcut key Command Option P to quickly switch the display and hiding of the path bar in any Finder window, and the path bar will be displayed normally after the operation is completed.

Aug 24, 2025 pm 04:26 PM