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What to do if keyboard backlighting not working on some keys

If the backlight of some keys on the keyboard does not work, you can check it as follows: 1. Check the lighting mode and settings to ensure that you use full backlight or static mode; 2. Try different configuration files or connect to other computers to test; 3. Check for physical problems such as dust or LED damage; 4. Update the driver or firmware. Most of the cases are software or cleaning problems, not hardware failure.

Jul 29, 2025 am 05:34 AM

Windows night light not working

Night mode cannot adjust the color temperature or does not take effect, which is usually caused by system settings or driving problems. First check whether night mode is actually enabled: go to Settings > System > Display, confirm that the "Night Mode" switch is on. If the gray is not selected, it may be a problem with the graphics card driver or system version; secondly, if the color temperature adjustment is invalid, you can try restarting the Explorer, use the registry to repair, reset the night mode settings, and turn off the conflicting third-party software; finally check the time and geographic location permissions: Ensure that the location is allowed in the privacy settings, and enable the automatic time and time zone setting function.

Jul 29, 2025 am 05:34 AM

windows Night mode

How to fix Quick Access not working in Windows 10

RestartFileExplorerviaTaskManagertoresolvetemporaryglitches.2.AdjustQuickAccesssettingsbyenabling"Showrecentlyusedfiles"and"Showfrequentlyusedfolders"inFolderOptions.3.RebuildtheWindowsSearchindexthroughIndexingOptionstorestorefil

Jul 29, 2025 am 05:32 AM

How to fix Windows 10 update error 0x80070422

The solution to error 0x80070422 includes: 1. Check and start Windows Update, BITS, CryptographicServices and other related services to ensure that its startup type is automatic and is running; 2. Run the Windows Update Troubleshooting Tool to automatically fix the problem; 3. Run the command prompt as an administrator, manually stop the update service, rename the SoftwareDistribution and Catroot2 folders to clear the cache, and then restart the service; 4. Check the group policy or registry settings to ensure that automatic update is not disabled; 5. Perform a clean startup to exclude third-party software conflicts. After completing these steps, restart the system and try to update it.

Jul 29, 2025 am 05:30 AM

Update error

How to fix 'Windows cannot be installed to this disk. The selected disk is of the GPT partition style'

When you encounter the prompt "Windowscannot be installed to this disk.These selected diskis of the GPT partitionstyle", 1. First check whether the motherboard supports UEFI. If supported, enable UEFI and set it to priority boot mode; 2. If UEFI is not supported, you need to use the diskpart tool to convert the disk from GPT to MBR format through the command prompt (the data will be cleared); 3. It is recommended to use UEFI mode to install, and make sure that the USB disk supports UEFI boot. Pay attention to backup data before operation and confirm that the disk selection is correct.

Jul 29, 2025 am 05:29 AM

How to fix screen turning off randomly

CheckpoweranddisplaysettingstoensurescreentimeoutisnotsettooshortonWindows,macOS,ormobiledevices.2.UpdateorreinstalldisplaydriversonWindowsviaDeviceManagerordownloadthelatestfromthemanufacturer’swebsite.3.Checkforoverheatingusingmonitoringtools,clean

Jul 29, 2025 am 05:28 AM

How to fix Windows 11 taskbar not working

RestartWindowsExplorerviaTaskManagertoresolvetemporaryglitchescausingthetaskbartofreezeordisappear.2.RuntheSystemFileChecker(SFC)andDISMcommandstorepaircorruptedsystemfilesaffectingtaskbarfunctionality.3.Clearthetaskbarcachebydeletingfilesin%localapp

Jul 29, 2025 am 05:28 AM

task bar

how to fix mouse moving on its own

The mouse moves by itself usually caused by hardware problems, environmental interference or software abnormalities. You can check it as follows: 1. Check whether the mouse battery is sufficient or whether the data cable and interface are normal; 2. Clean the sensor and replace the solid color non-reflective mouse pad; 3. Adjust the system settings such as turning off "Improving pointer accuracy" and updating the driver; 4. Check for third-party software conflicts or virus impacts.

Jul 29, 2025 am 05:27 AM

How to repair the EFI bootloader in Windows 10?

To fix the EFI boot problem of Windows 10, you can follow the following steps: 1. Use Windows to install USB disk or CD boot, and enter "Troubleshooting → Advanced Options → Command Prompt"; 2. Run the bootrec/fixmb, bootrec/fixboot and bootrec/rebuildbcd commands in turn to repair the boot record; 3. If the EFI partition is abnormal, use disk management tools or diskpart to check and rebuild the EFI partition; 4. Use the bcdbootC:\Windows/sS:/fUEFI command to write the boot file to the EFI partition; 5. Finally, restart the computer to confirm whether the repair is successful. If it still cannot be solved,

Jul 29, 2025 am 05:26 AM

How to fix 'The version of this file is not compatible with the version of Windows you're running'

When you encounter the prompt "The version of this file is incompatible with the version of Windows you are running", the solution is as follows: 1. Confirm whether the program is designed for the old system, such as Windows XP or Windows 7; 2. Try to run the program in compatible mode, right-click the program properties, and select the old system version in the "Compatibility" option; 3. Confirm whether your system is 32-bit or 64-bit, and make sure that the program matches the system architecture; 4. Update the program to the latest version, or contact the developer for support.

Jul 29, 2025 am 05:26 AM

How to fix mouse lagging or freezing

Checkyourmousehardwareandconnectionbyreplacingbatteries,tryingdifferentUSBports,inspectingcables,testingwithanothermouse,andcleaningthesensor.2.UpdateorreinstallmousedriversviaDeviceManagerordownloadthelatestdriversfromthemanufacturer’swebsite.3.Adju

Jul 29, 2025 am 05:25 AM

how to fix mouse stops working when plugging in another device

The main reasons for failure of other devices when plugging into the computer mouse is insufficient power supply, driver conflicts or hardware problems. Solutions include: 1. Connect high-power devices to independent power supply interfaces or use hubs with power supply; 2. Update motherboard drivers and adjust power management settings; 3. Test different USB interfaces or add USB2.0 expansion heads; 4. Check wireless signal interference and turn off nearby wireless devices.

Jul 29, 2025 am 05:24 AM

How to fix Start Menu not working Windows 10

Restarting Windows Explorer can solve temporary problems. Press Ctrl Shift Esc to open Task Manager, right-click Windows Explorer and select Restart; 2. Run the built-in "Start Menu Troubleshooter" tool, and start it through "Update and Security" > "Troubleshooter" in the settings; 3. Rebuild the Start Menu cache, run the Get-AppXPackage command in PowerShell with administrator permissions to re-register the system application; 4. Check Windows updates and install the latest patches to fix known problems; 5. Create a new user profile. If the Start Menu in the new account is normal, the original profile is corrupted; 6. Perform System File Check (SFC) and D

Jul 29, 2025 am 05:24 AM

how to fix cannot type password at login screen

When the password cannot be entered on the login interface, you can follow the following steps to check: 1. Check whether the keyboard is normal, try plugging and unplugging the external keyboard, switching the input method, or restarting the computer; 2. Use the on-screen keyboard to enter the password to determine whether it is a hardware problem; 3. Enter safe mode to uninstall the driver or software that may conflict; 4. Run the system command to repair files or permission problems. In most cases, restart can be solved. If it happens frequently, it is recommended to back up the data and reinstall the system.

Jul 29, 2025 am 05:23 AM