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Technical Articles

System Tutorial

Fix: Can't change default apps in Windows 10

Ifyoucan'tchangedefaultappsinWindows10,trythesesteps:1.ResetdefaultsinSettings.2.UseControlPaneltosetdefaultprograms.3.ResetappassociationsviaPowerShell.4.RunSFCandDISMtorepairsystemfiles.5.Createanewuserprofiletocheckforcorruption.

Sep 07, 2025 am 06:06 AM

What to do if Win11 is not detecting your microphone? The solution for microphone detection issues

IfWindows11isn'tdetectingyourmicrophone,trythesesteps:1.EnablemicrophoneaccessinPrivacysettings.2.RuntheMicrophonetroubleshooter.3.Updateorreinstallaudiodrivers.4.Setthemicrophoneasthedefaultinputdevice.5.Testthemiconanotherdevicetoruleouthardwareiss

Sep 07, 2025 am 06:05 AM

win11 microphone

Fix: Chkdsk stuck at a certain percentage

IfChkdskisstuck,waitlongerandcheckdiskactivity.TryrunningitinSafeModeorWindowsRecoveryEnvironmenttoavoidinterference.CheckdrivehealthwithSMARTtools,anddisableautomaticrestartstopreventinterruptions.

Sep 07, 2025 am 05:51 AM

chkdsk stuck

Linux how to recursively change permissions

To recursively modify file and directory permissions in Linux, use the chmod-R command. 1. Use digital permissions: chmod-R755/path/to/directory set all files and directories to 755, but it is better to use the find command to set directory and file permissions respectively, such as find/path/to/directory-typed-execchmod755{}\; set directory to 755, find/path/to/directory-typef-execchmod644{}\; set file to 644. 2. Use symbol permissions: chmod-Ru rwx can be used to grant read, write and execute permissions to the owner.

Sep 07, 2025 am 05:50 AM

How to grant sudo privileges in Linux

Tograntsudoprivileges,addtheusertothesudogrouponUbuntu/DebianorwheelgrouponCentOS/RHEL/Fedorausingsudousermod-aGsudousernameorsudousermod-aGwheelusername,verifywithsudowhoami,optionallyconfigurespecificpermissionsviasudovisudo,andensuresudoisinstalle

Sep 07, 2025 am 05:46 AM

How to change your mouse pointer size and color in Windows

Toimprovevisibilityorpersonalizeyourexperience,adjustthemousepointersizeandcolorinWindows11:1.UseSettings>Accessibility>Mousepointertochangesizeandcolor.2.CustomizeindividualpointersviaControlPanel>Mouse>Pointerstab.3.Installthird-partyth

Sep 07, 2025 am 05:20 AM

How to add a printer to a Mac

TosetupanewprinteronyourMac:1.ConnectviaWi-FiorUSB.2.OpenSystemSettingsandgotoPrinters&Scanners.3.ClicktheAddbuttonandselectyourprinter.4.Installdriversifprompted.5.Printatestpagetoconfirmitworks.

Sep 07, 2025 am 05:12 AM

printer mac

How to resolve Windows Store cache may be damaged

RuntheWindowsStoreAppsTroubleshooterviaSettingstoautomaticallyfixcommonissues.2.ResettheMicrosoftStorecachebyrunningwsreset.exeintheRundialog,whichclearstemporaryfilesandrestartstheStore.3.Ifneeded,re-registertheMicrosoftStoreusingPowerShellwiththeco

Sep 07, 2025 am 04:38 AM

Fix: 'The last USB device you connected to this computer malfunctioned'

Ifyousee"ThelastUSBdeviceyouconnectedmalfunctioned,"trythesesteps:1.Restartyourcomputerandreconnectthedevice.2.UpdateorreinstallUSBdriversviaDeviceManager.3.DisableUSBSelectiveSuspendinPowerOptions.4.RuntheHardwareandDevicesTroubleshooter.5

Sep 07, 2025 am 04:34 AM

Fixed: Windows Is Not Finding a Network Adapter

First check whether the network adapter is hidden or disabled. 1. Open the device manager to see if the network adapter exists. If it is empty, click "Show hidden devices". If there is a gray entry, uninstall and restart; 2. Reinstall or update the driver, which can be automatically updated through the device manager or downloaded and installed from the manufacturer's official website; 3. Run the built-in network adapter troubleshooting tool of the system; 4. Check whether the onboard network card or Wi-Fi is enabled in the BIOS/UEFI settings, and confirm that the physical switch or shortcut key of the notebook is turned on; 5. Perform a network reset to restore the network components to the default state; 6. Install the latest Windows updates, including optional driver updates; 7. Finally, troubleshoot hardware problems, try to connect to the external USB wireless network card or check the inside.

Sep 07, 2025 am 04:28 AM

windows network adapter