local disk f

Please post a full screen shot of File Explorer showing the drive, folders, and network

then post a 2nd screen shot after clicking on Network in the left pane

Your Disk Mnmgt shows that it F is not assigned to a HDD, so it looks to me as a network drive

There's a tutorial to remove Network from File Explorer, but that doesn't explain the issue.

A simple question: Do you have any devices configured on a network? Could be a printer, a phone, a NAS - anything defined or connected via a local network.

This looks like the F: drive is the EFI partition having a size of 300MB. Open Admin Command (Win+X->Command Prompt (Admin)) and type:
diskpart
select disk 0
list partition =====> take a note of the partition # having 300MB. My guess is partition 2
select partition # =====> replace # with the number in step above
remove =====> remove the drive letter
exit

This should remove the drive letter and won't show up in "This PC"

P.S do not delete this partition, you won't be able to boot.

badcrc,

Could you also expand Desktop-GSJ6VAU under Network
and select Desktop-GSJ6VAU to display objects associated with it in the right hand pane

What happens if you turn off or disconnect the network printer - does the F: drive get removed from the navigation pane?

Thanks

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topgun,

There's no F: letter in Disk Mgmt

But let's see what disk part shows.

@Slartybart
Same thing happened here, read post #4:
Solved Hide system partition that shows in explorer but NOT disk management - Windows 10 Forums

FYI,
If you use Mini Tool Partition manager and assign a letter to one of these hidden patitions, you'll get the same situation ie. it will show in File Explorer but not in Disk Management.

topgundcp said:

Same thing happened here, read post #4:

Interesting - thanks Dino