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Technical Articles

System Tutorial

How to zip and unzip files in Win11

ToziporunzipfilesinWindows11,usebuilt-intools:1.Right-clickfilesandselect"Sendto>Compressed(zipped)folder"tozip.2.Double-clickaZIPfileandchoose"Extractall"tounzip.3.UsePowerShellcommandsforautomation:CreateFromDirectorytozip,Ex

Aug 19, 2025 pm 02:58 PM

How to Fix Windows High CPU Usage

IfyourWindowsPCisslowduetohighCPUusage,trythesesteps:1.UseTaskManagertoidentifyandendresource-heavyprocesses.2.Disablehigh-impactstartupprograms.3.Updateorrollbackdevicedrivers.4.RunafullmalwarescanviaWindowsSecurity.5.Switchtoahigh-performancepowerp

Aug 19, 2025 pm 02:50 PM

How to find and delete temporary files in Windows

TofreeupdiskspaceonWindows,trythesesteps:1.UseDiskCleanuptoremovetemporaryfiles.2.Manuallydeletefilesinthe%temp%folder.3.Clearsystem-widetempfilesinC:\Windows\Temp.4.EnableStorageSensetoautomatecleanup.

Aug 19, 2025 pm 02:48 PM

How to turn on Bluetooth on a Mac?

ClicktheBluetoothiconinthemenubarandselectTurnBluetoothOn,ensuring“ShowBluetoothinmenubar”isenabledinSystemSettingsiftheiconismissing.2.InmacOSVenturaandlater,gotoSystemSettingsviatheApplemenu,clickBluetooth,andtoggleitontoseeandconnecttonearbydevice

Aug 19, 2025 pm 02:31 PM

mac

How to mount an ISO file in Windows 10 and 11

ToaccessanISOfilewithoutburningit,mountitasavirtualdriveinWindows10or11usingthesemethods:1.Double-clickorright-clicktheISOinFileExplorerandselectMount.2.Usetheright-clickcontextmenuforquickmounting.3.UsePowerShellwiththecommandMount-DiskImage-ImagePa

Aug 19, 2025 pm 02:21 PM

How to Fix Common Windows 11 Problems: Your Ultimate Guide

TospeedupaslowWindows11system,checkstartupappsviaTaskManager,adjustforbestperformanceinsystemsettings,runDiskCleanup,andupdatedriversthroughDeviceManagerorthemanufacturer’swebsite.2.Forstuckupdates,runthebuilt-inWindowsUpdatetroubleshooter,manuallyre

Aug 19, 2025 pm 02:08 PM

How to capture network traffic with tcpdump?

Using tcpdump to capture packets requires clarification of network card and filtering conditions, saving it as a pcap file for subsequent analysis, and precisely locate traffic by combining filter expressions. Before catching packets, use tcpdump-D to confirm the network card, add port or protocol to filter traffic when starting; use -w to save data when catching packets, view real-time information in combination with -v, and limit the number with -c; the filtering expression supports the combination of src/dstIP, host, net and protocol ports. If the SSH traffic of a specific IP can be written as 'tcpandport22andsrchost192.168.1.100', complex conditions need to be grouped in brackets and quoted.

Aug 19, 2025 pm 02:07 PM

tcpdump 網(wǎng)絡抓包

How to get the old context menu back in Win11

IfyoumisstheclassiccontextmenuinWindows11,restoreitbyeditingtheregistry,usinga.regfile,orthird-partytoolslikeWinaeroTweaker.ThesemethodsrevertthemodernmenutothetraditionalstyleacrossFileExploreranddesktop.

Aug 19, 2025 pm 02:05 PM

Best Practices for Managing Dotfiles on a Linux System

UseGitforversioncontroltobackup,trackchanges,andsyncdotfilesacrossdevices.2.ManagedotfileseitherviaabareGitrepositorywithacustomaliasorbystoringtheminadedicateddirectoryandcreatingsymlinkswithaninstallscript.3.Keepconfigurationsportablebyexcludingsen

Aug 19, 2025 pm 01:49 PM

How to Fix Windows 'This app can't run on your PC'

Ifyouencounter"Thisappcan'trunonyourPC"onWindows,trythesesteps:1.Runasadministrator.2.Checksystemarchitecturecompatibility.3.UnblockthefileinProperties.4.Usecompatibilitymode.5.TemporarilydisableSmartScreenorantivirus.6.Re-downloadtheappfro

Aug 19, 2025 pm 01:45 PM

Windows Update Error 0x8024a105 [Solution]

0x8024a105 error can be solved by the following methods: 1. Run the Windows Update Troubleshooter tool to automatically repair common problems; 2. Execute the command prompt as an administrator, stop the wuauserv, cryptSvc, bits, msserver services, rename the SoftwareDistribution and catroot2 folders and restart the service; 3. Run the sfc/scannow and DISM/Online/Cleanup-Image/RestoreHealth commands to repair system files; 4. Check the network connection, close the proxy settings or switch to the phone hotspot; 5. Go to MicrosoftUpdat

Aug 19, 2025 pm 01:41 PM

How to Fix Windows 'This setting is managed by your administrator' in Windows Defender

IfWindowsDefendersettingsarelockedbyadministratorpolicies,trythesesteps:1.CheckLocalGroupPolicyEditorandsetpoliciestoNotConfigured.2.DeleterestrictiveregistryentriesunderWindowsDefender.3.UsePowerShelltoenablereal-timemonitoring.4.Uninstallthird-part

Aug 19, 2025 pm 12:42 PM

Windows Installer Service Could Not Be Accessed [Fixed]

First, make sure that the WindowsInstaller service is running, set its startup type to automatic through services.msc and start the service manually; 2. Run the sfc/scannow command to repair possible corrupt system files; 3. Use DISM/Online/Cleanup-Image/RestoreHealth to repair the system image; 4. Execute regsvr32msxml3.dll, regsvr32msxml6.dll, msiexec/unregister and msiexec/register in order to re-register the WindowsInstaller service;

Aug 19, 2025 pm 12:25 PM

How to restore default lnk file association in Windows 10

OpenCommandPromptasAdminandrunassoc.lnk=lnkfile,thenoptionallyftypelnkfile="C:\Windows\System32\rundll32.exe""C:\Windows\System32\shell32.dll,OpenAs_RunDLL""%1";2.IfwrongappopensLNKfiles,right-clickashortcut,chooseOpenwi

Aug 19, 2025 pm 12:19 PM