How to remove a virus using Windows Security
Ifyoususpectavirus,useWindowsSecuritytorunaQuickScan,FullScan,orMicrosoftDefenderOfflineScantodetectandremovethreats.Checkquarantineditemsafterward,andrestoreonlyifsafe.
Aug 24, 2025 am 11:56 AM
How to fix a stuck 'Getting Windows ready, Don't turn off your computer' screen?
IfyourPCisstuckon"GettingWindowsready"forover3–4hours,itislikelyfrozenandrequiresintervention.2.Forceshutdownduringboot2–3timestotriggerWindowsRecoveryEnvironment(WinRE).3.InWinRE,try:OptionA:Continue>Exitandrestarttobypasstheloop;Option
Aug 24, 2025 am 11:54 AM
How to check CPU usage on a Mac?
TocheckCPUusageonaMac,openActivityMonitorbysearchingviaSpotlight,thenclicktheCPUtabtoviewreal-timeusagesortedbyprocess.2.Foraquickglance,right-clickanapp’sDockicontoseeitsCPUandmemoryusageinatooltip.3.UseTerminalwiththecommand“top-ocpu”foralivetext-b
Aug 24, 2025 am 11:43 AM
How to search for text within files in Linux
grep is a powerful tool in Linux for searching file content, supporting a variety of options to achieve accurate search. 2. The basic usage is grep "text" file name, which can search for keywords in the specified file, and supports multi-file wildcard matching. 3. Use the -i option to ignore case, the -r option to recursively search the directory, -n displays line numbers, and -C displays context. 4. Combination options such as -rn can realize recursive search with line numbers, which is suitable for logs, codes and other scenarios.
Aug 24, 2025 am 11:25 AM
Linux how to configure a firewall
First determine the firewall tool used by the system, and then configure it according to the tool: 1. Use sudosystemctlstatusfirewalld to check whether firewalld is running, and if it is not enabled, check iptables or nftables; 2. If using firewalld (such as RHEL/CentOS/Fedora), enable it through sudosystemctlenablefirewalld-now, use firewall-cmd-permanent-add-port to open the port and --reload take effect; 3. If using ufw (such as Ubuntu/Debian), install
Aug 24, 2025 am 10:54 AM
Fixing Random Freezes and Crashes in Windows 10
IfWindows10freezesorcrashes,trythesesteps:1.Installlatestupdates.2.Updateorrollbackdrivers.3.Runmemorydiagnostic.4.RepairsystemfilesusingSFCandDISM.5.Disableoverclocking.6.CheckEventViewerforerrorclues.
Aug 24, 2025 am 10:32 AM
How to partition a hard drive in Windows without formatting
Tocreatenewharddrivepartitionswithoutlosingdata,useWindowsDiskManagementtoshrinkavolumeandcreateunallocatedspace,thensetupanewpartition.Alternatively,usetrustedthird-partytoolslikeEaseUSPartitionMasterformoreflexibility,orusetheCommandPromptwithDiskP
Aug 24, 2025 am 10:31 AM
What to do if Win11 keeps freezing? The solution for Win11 freezing issues
IfyourWindows11systemfrequentlyfreezes,trythesesteps:1.Checkforupdates.2.Scanformalware.3.Updatedrivers.4.Adjustpowersettings.5.Disableunnecessarystartupprograms.6.RunSFCtorepairsystemfiles.
Aug 24, 2025 am 10:28 AM
How to Fix Windows 'UNMOUNTABLE_BOOT_VOLUME' Error
Ifyouencounterthe"UNMOUNTABLE_BOOT_VOLUME"error,trythesesteps:1.UseWindowsStartupRepair.2.RunCHKDSKtofixdiskerrors.3.RebuildtheBootConfigurationData(BCD).4.Checkforfaultyhardwareandreplaceifnecessary.
Aug 24, 2025 am 09:57 AM
How to clean install Win11 from USB
ToperformacleanWindows11installationviaUSB:1.CreateabootableUSBusingMicrosoft’sMediaCreationTool.2.EnterBIOSandsetUSBasprimarybootdevice;ensureSecureBootandTPM2.0areenabled.3.BootfromUSB,launchsetup,andselect"Custom:InstallWindowsonly."4.De
Aug 24, 2025 am 09:50 AM
How to activate Windows 10 Pro for free permanently
ThereisnolegalwaytoactivateWindows10Proforfreepermanentlywithoutagenuinelicense.1.Usingcracks,illegalactivators,orKMStoolsviolatesMicrosoft'slicenseagreementandposessecurityriskslikemalware.2.Theseunauthorizedmethodscancausesysteminstability,blockupd
Aug 24, 2025 am 09:38 AM
How to install a printer on Windows
ConnecttheprinterviaUSB,Wi-Fi,ornetwork,ensuringit’spoweredandproperlylinkedtoyourcomputerornetwork.2.OpenSettings>Devices>Printers&scanners,clickAddaprinterorscanner,andletWindowsdetecttheprinter;iffound,selectitandclickAdddevice.3.Ifautom
Aug 24, 2025 am 09:23 AM
Fix: Icons not showing on the desktop in Windows 11
IfdesktopiconsaremissinginWindows11,trythesesteps:1.Enable"Showdesktopicons"viaright-clickmenu.2.RestartWindowsExplorerinTaskManager.3.CheckiconsettingsinPersonalization.4.Runsfc/scannowtorepairsystemfiles.5.Createanewuserprofiletoruleoutco
Aug 24, 2025 am 09:05 AM
How to Fix Windows 100% Disk Usage in Task Manager
IfyourWindowsPCshows100%diskusageandrunsslow,trythesesteps:1.RestartWindowsExplorerviaTaskManager.2.DisableWindowsSearchandSysMainservices.3.RunDiskCleanuptoremovetemporaryfiles.4.Updateorreinstalldiskdrivers.5.Adjustvirtualmemorysettingsmanually.
Aug 24, 2025 am 08:24 AM
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