Windows 10: Startup option missing after 21H1 update

After updating my Windows 10 startup option is missingIt was present before the update as you can see in the piclease help me

:)

 

Can't get GPU-Z to start with Windows 8.1 startup

I'm not sure how to do that. Could you list the steps for a noob?

 

Why did the startup window get cleared?

I didn't missed any step, the list was gone and gone , even after using lot of programs the programs were not listed in that list.

 

Option to search My stuff in Cortana missing

Hello,

• When you say, "MY STUFF option or magnifying glass icon" exactly which option are you referring to?
• Have you made any changes to the system prior to this issue?

I suggest you to restore the system to the previous point and check if this helps.
To do so kindly follow the below given steps:

• 
  Press Windows + I key and click on Update and security.
  
• 
  Click on Recovery, and click on
  Restart under Advance startup.
  
• 
  In the Windows Recovery Environment, on the Choose an option screen, click
  'Troubleshoot'.
  
• 
  Click, Advanced Options and then click on
  System Restore.
  
• 
  Follow the onscreen suggestion to restore your PC to earlier point.
  

Write us back with the above information and the status of the issue to assist you further.

Thank You.