No prob. There's a keyboard shortcut to rebooting that doesn't require a battery pull, but it's not as thorough and in this case might not clear up the icon:
Press (at the same time): alt, right shift, and delete.
If you do it a second time just as the screen goes white again, it does a "deeper" reboot that takes over a minute to complete. I've found doing it twice clears up the icon problem, and I don't have to fiddle with the case and battery.
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