Windows 10: Switch user tab at bottom left is not there and I cannot log in

I am trying to reset a Dell Venue 10 tablet for a high school I work at. We cannot log in to the account to reset that way nor does the sticky keys workaround work. I need to switch user to log in to my admin account but there is no option for that.

Here is a similar thread but no one gave him the answer he needs besides reset. That is not an option either.
Switching user at startup. - Windows 10 Forums

:)

 

Switching Users Only available when Logged Out

So I want to be able to switch users and when I first installed Windows 10 I could switch users while others were logged in all the time. Then for a while I wasn't and I just dealt with it, then I was able, and now I have returned to not being able to switch
users.

Here are the variables.

• Only current logged in user shows up in start menu
• The only options when clicking user in start menu are "Change Account Settings", "Lock", and "Log Out"
• Upon logging out, I will see all my users in bottom left of login screen.
• The lock screen does NOT show any users in the bottom left when logged in.
  
• There is no "Switch User" option in start menu or lock screen.
• This is the case for all users.

Is is a Windows version issue?

Are there programs that can keep me from doing this?

 

Windows 1709 update replaced user account settings, apps, etc

One other thing to look for is when booting up have a look for Other Accounts - bottom Left or try and log onto your original account the 'Switch User' or initiate 'Log-on to a different account' sequence.

 

If you just want to factory reset a tablet, boot with your Windows installation DVD, click "Repair your computer". Browse to Troubleshoot -> Reset this PC. The whole process doesn't ask you for your old password.

Reset Windows 10