unable to log on Leveno b590. Asks for an old password and won't take that. Changed password recently. A few days ago my screen was black but I was able to log on after removing battery then putting it back. Tried several versions of old password but no go. Bought in 2014.
Passwords are "case-sensitive" which means you must enter the password exactly the same as the password you chose, using lower-case or upper-case letters to match the letters in the password you originally entered.
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