Locked out of Dell Optiplex 780 due to "incorrect Password"

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firemcd

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Feb 22, 2014
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Intermediate user here. Locked out of Dell Optiplex 780 due to "incorrect Password" at PIN login screen. Already used another device to login to my Microsoft Account to change password-this worked. Cannot get past PIN login screen on the PC itself, and F2,F4, F8, F10, F12 are all useless to boot into Safe Mode. Only alternative boot screen that shows is the one asking which hard drive or optical drive to boot to. This is a clean, currently updated install of legit Windows 10 on a Dell Optiplex 780.
 
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