Hello AnishChhetri,
I'm John an Independent Advisor and a Microsoft user like you. I'll be happy to assist you today. I understand you have a problem with start menu and search button not working. When was the last time your system was working properly?
Kindly try the suggested methods below.
**Restart Windows Explorer
Press Ctrl + Shift + Esc to open Task Manager.
Select the Processes tab.
Scroll down and look for Windows Explorer
Right click then select Restart.
**Please try to run SFC and DISM to check for any system errors and corrupted files.
https://support.microsoft.com/en-us/help/402652...
After that, Restart your PC
Note: You can run Command prompt as administrator by doing this.
Press Windows key+R to open Run then type: cmd
Press CTRL+SHIFT+ENTER to run as administrator
Proceed with the commands on the link.
**Repair all Windows apps via Powershell
Windows key+X then select Windows Powershell (Admin)
copy paste the below command one at a time then press Enter. Please ignore the red errors and let the process complete.
Get-AppxPackage Microsoft.Windows.ShellExperienceHost | foreach {Add-AppxPackage -register "$($_.InstallLocation)\appxmanifest.xml" -DisableDevelopmentMode}
Get-AppXPackage | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
Restart your Computer
**Regarding the unusual beep sound, Please try this if it helps.
Press Windows key+I to open Settings
Select Ease of Access then Keyboard
Turn off Sticky keys, Toggle keys and Filter keys
I hope this helps! Please let me know if you have any further concerns.
Sincerely
John DeV
Independent Advisor