And after you log back on, you'll have to open everything up again.
Besides, it might not work. If another user account is running on that machine, it just might be holding onto something on the external drive.
So you may have to go to the one trick that always works:
5: Shut down the PC
This is every bit as much a hassle as logging off and on, and takes even more time. But it will work; no question about it.
Just shut down PC, remove the external drive, then boot your computer. Hopefully, you'll find another solution before this one.
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