1. Slow Performance
Cause: Multiple factors, including background processes, outdated drivers, or insufficient hardware.
Solution:
Disable unnecessary startup programs via Task Manager (Ctrl + Shift + Esc).
Check for updates in Settings > Update & Security > Windows Update.
Run Disk Cleanup to free up space.
Update drivers, especially graphics and chipset drivers, via Device Manager.
Adjust for best performance in Settings > System > About > Advanced system settings.
2. Wi-Fi Connectivity Issues
Cause: Problems with network drivers, router settings, or interference.
Solution:
Restart the router and PC.
Run the built-in Network Troubleshooter: Settings > Network & Internet > Status > Network Troubleshooter.
Update the Wi-Fi driver via Device Manager.
Reset network settings via Settings > Network & Internet > Status > Network reset.
3. App Crashes or Freezes
Cause: Compatibility issues, corrupted app files, or system resource issues.
Solution:
Ensure apps are up to date via Microsoft Store or direct updates.
Check compatibility using Compatibility Troubleshooter (right-click app > Properties > Compatibility).
Reinstall the app causing issues.
Run System File Checker (sfc /scannow) from Command Prompt (Admin).
4. Blue Screen of Death (BSOD)
Cause: Hardware issues, driver problems, or corrupted system files.
Solution:
Check for hardware issues by running Memory Diagnostic or Check Disk.
Update all drivers through Device Manager or by downloading from the manufacturer’s website.
Run System File Checker and DISM to repair corrupted files.
Check Event Viewer for error logs related to the crash for more specific troubleshooting.
5. External Devices Not Recognized
Cause: Driver issues or hardware problems.
Solution:
Try plugging the device into a different USB port.
Update the USB drivers in Device Manager.
Check the device on another PC to ensure it's functioning correctly.
Use Troubleshooter for hardware and devices: Settings > Update & Security > Troubleshoot > Hardware and Devices.
6. File Explorer Issues
Cause: Corrupt files, misconfigured settings, or overloaded cache.
Solution:
Reset File Explorer settings: View > Options > Change folder and search options.
Clear File Explorer history: Settings > Privacy > Activity History.
Run sfc /scannow and DISM for system file repairs.
7. App Not Opening or Responding
Cause: Corrupted app files or system issues.
Solution:
Reset the app: Settings > Apps > Apps & features > (App Name) > Advanced options > Reset.
Reinstall the app from the Microsoft Store.
Check for app-specific updates.
8. No Sound
Cause: Driver issues, sound settings misconfiguration, or audio service not working.
Solution:
Check if the correct output device is selected in Settings > System > Sound.
Update or reinstall audio drivers via Device Manager.
Run the Audio Troubleshooter from Settings > Update & Security > Troubleshoot > Playing Audio.
Restart the Windows Audio service via Services (type "services.msc" in the Start menu).
By following these solutions, you can often resolve the most common Windows 11 problems and improve the overall performance of your system.