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Why doesn't my laptop sleep when the lid is closed in Windows?

TofixalaptopnotsleepingwhenclosingthelidinWindows,firstcheckifthelidcloseactionissetto"Sleep"inPowerOptions;ifgrayedout,addresspotentialconflicts.Next,disconnectexternaldevicesordockingstationsthatmaypreventsleep.Then,disablewakeprivilegesf

Jul 10, 2025 pm 12:50 PM

Windows can't connect to this network

When encountering the problem of "Windowscan'tconnecttothisnetwork", you should first check whether the network name and password are correct, including case, spaces and special characters. If it is a Chinese WiFi name, try to change it to English, and then forget the network and reconnect; secondly, check whether the router limits the number of devices or enables MAC address filtering, and restart the router or log in to the background to adjust the settings; thirdly, check the system network settings and drivers, update the wireless network card driver, reset the network settings or confirm that the IP is automatically obtained; finally check whether the network authentication method is compatible, especially in enterprise or campus networks, you need to consult the administrator to configure the correct EAP protocol and installation certificate.

Jul 10, 2025 pm 12:40 PM

windows Internet connection

How to fix 'DirectX setup failed: An internal error occurred' in Windows?

When encountering the error "DirectXsetupfailed:Aninternalerroroccurred", you can solve it by the following methods: 1. Run the installer as an administrator to ensure sufficient permissions; 2. Update or reinstall the DirectX runtime library, it is recommended to download the latest version from Microsoft's official website; 3. Use SFC and DISM tools to check and repair the integrity of the system file; 4. Temporarily turn off the antivirus software or firewall to eliminate interference from security software; 5. Check the compatibility settings of the game or software and try the compatibility mode of different Windows versions. If using WindowsN version, you also need to manually install MediaFeaturePack to support the full DirectX function.

Jul 10, 2025 pm 12:33 PM

How to fix 'KMODE_EXCEPTION_NOT_HANDLED' error in Windows

When encountering the "KMODE_EXCEPTION_NOT_HANDLED" blue screen error, 1. First check the recently installed driver, enter safe mode to uninstall or roll back the driver, and use Microsoft basic driver test; 2. Update all drivers to the latest version, and prioritize the check of graphics card and motherboard related drivers; 3. Run memory diagnostic tools and disk scanning commands to troubleshoot hardware problems; 4. Completely uninstall third-party antivirus software and use WindowsDefender instead. In most cases, the above method can be solved without the need to reinstall the system immediately.

Jul 10, 2025 pm 12:29 PM

blue screen error

How to fix 'Can't change file associations' issue in Windows 11?

Tofixthe"Can'tchangefileassociations"errorinWindows11,firstcheckifyouraccounthasadministrativeprivileges.Next,ensurenothird-partysoftwareisblockingthechanges.Then,tryresettingappassociationsthroughSettings.Finally,usetheCommandPrompttoreset

Jul 10, 2025 pm 12:26 PM

file association

How to restore missing power plans in Windows Power Options?

If the Windows power plan disappears, you can try the following methods to restore: 1. Enter powercfg-a through the command prompt to check the hidden plan and use powercfg-duplicatescheme[GUID] to restore the default plan; 2. Run the command prompt as an administrator and execute powercfg-restoredefaultschemes to restore the default plan; 3. Make sure that the "Power" service is started and set to automatic; 4. Scan the system files to repair the error; 5. After uninstalling the ACPI driver, restart the computer and reinstall the driver or update the latest driver provided by the motherboard manufacturer. The above steps usually solve the loss of power plan.

Jul 10, 2025 pm 12:01 PM

How to fix 'Windows couldn't connect to the Group Policy Client service'

Theerror"Windowscouldn'tconnecttotheGroupPolicyClientservice"typicallyoccursduringstartuporloginandmayhinderpolicyapplication.Tofixit,firstcheckiftheGroupPolicyClientservice(GPSVC)isrunningviaservices.msc.Ifnot,startitmanuallyandsetitsStart

Jul 10, 2025 am 11:58 AM

windows

How to fix 'Your organization manages this setting' in Windows

Ifyou'reseeingthemessage"Yourorganizationmanagesthissetting"inWindows,itmeansyoursystemisbeingcontrolledbyagrouppolicy,oftenduetoaworkorschoolaccount,leftoversettings,orMDMenrollment.1.First,checkifyou'reusingamanagedworkorschoolaccountunde

Jul 10, 2025 am 11:44 AM

windows Organizational management

Why is my Wi-Fi connected but showing no internet in Windows?

The answer to the question is to troubleshoot problems with the network service provider, use Windows diagnostic tools, check IP address allocation, and eliminate firewall interference. The first step is to check whether it is a problem with the network service provider. You can verify and restart the optical module and router through other devices; the second step is to reset the network settings using Windows network troubleshooting and command prompts; the third step is to release and renew the IP address or manually set the IP; the fourth step is to turn off the firewall or security software to test whether it is interfering with it.

Jul 10, 2025 am 11:35 AM

How to resolve 'DNS_PROBE_FINISHED_NO_INTERNET' error?

When encountering the "DNS_PROBE_FINISHED_NO_INTERNET" error, 1. First check whether the local network connection is normal, confirm the Wi-Fi or network cable connection status, restart the router and test whether other devices can access the Internet; 2. Change the DNS server to public DNS, such as setting the preferred DNS to 8.8.8.8 and setting the alternate DNS to 1.1.1.1; 3. Clear the browser cache and system DNS cache, and use the command ipconfig/flushdns to refresh the DNS; 4. Temporarily close the firewall or antivirus software to eliminate the possibility of interception. Sequence checks can usually solve problems quickly.

Jul 10, 2025 am 11:30 AM

How to fix 'This device is disabled (Code 22)' in Windows Device Manager?

First check if the device is manually disabled, 2. Then check the power management settings, 3. Use hardware troubleshooting or reinstall the driver, 4. Finally consider registry editing (advanced user). When encountering the "Thisdeviceisdisabled(Code22)" error, it usually means that the hardware component is not activated, which may be caused by human shutdown or system failure; first, you can find the corresponding device in the Device Manager and enable it; if it is invalid, go to the Power Management tab and cancel the "Allow the computer to turn off this device to save power"; then try running the built-in hardware troubleshooting tool of Windows, or restart the computer after uninstalling the device and let the system automatically reinstall the driver; if it still cannot be solved and has relevant skills, you can back up the notes

Jul 10, 2025 am 11:29 AM

How to fix 'Docker Desktop failed to start' error?

Common reasons for failing to start DockerDesktop include insufficient permissions, port conflicts, configuration errors, etc. The solutions are as follows: 1. Make sure that WSL2 or Hyper-V is enabled on Windows, and you can set the default version to 2 through PowerShell and check the component installation status; 2. Run DockerDesktop as an administrator to increase permissions; 3. Modify or delete the abnormal daemon.json configuration file; 4. Check and solve the 2375/2376 port occupation problem, find the process through netstat and terminate or change the port; 5. Try to reinstall Docker or use Resettofactorydefaults to restore the default settings.

Jul 10, 2025 am 11:22 AM

How to fix HDMI audio not working in Windows?

When HDMI audio cannot work, first check the basic settings: make sure that the HDMI cable is connected normally, the monitor input source is correct, and manually select the correct playback device in Windows; secondly make sure that the HDMI audio device is not disabled, which can be enabled through the sound settings; then update or reinstall the audio driver, which can be operated in Device Manager; then run Windows Audio Troubleshooting; finally check the graphics card settings, such as the audio output options of NVIDIA or AMD. Checking one by one in order can solve most problems.

Jul 10, 2025 am 11:13 AM

How to fix INACCESSIBLE_BOOT_DEVICE error in Windows?

When an error "INACCESSIBLE_BOOT_DEVICE" appears, it is usually caused by hardware problems, driver conflicts or system file corruption. The solution is as follows: 1. Check the hard disk connection and confirm that it is recognized in the BIOS, and use the tools to check the hard disk health status; 2. Use the Windows installation media to enter the repair interface and run the startup repair function; 3. Execute the bootrec command in the command prompt to rebuild the BCD and repair the boot record; 4. Update or roll back the storage controller driver, and check the SATA mode settings in the BIOS. In most cases, priority will be given to troubleshooting hard disk connection and boot record issues. If it is invalid, then consider reinstalling the system or replacing the hard disk.

Jul 09, 2025 am 03:01 AM