screen on computer laptop locksup

All the answers yet on how to unlock the screen after that it crashes on authentication. I can't even to my task manager

Hello

If you're running Windows 8 or 8.1, try to use the Windows system restore to return the machine to an earlier point in time when it worked correctly - a complete guide on how to make of this (including a video preview) can be found on the link under the subheading: restore your computer when Windows 8 will not start normally (it's to halfway down the page).

http://support.HP.com/us-en/document/c03327545

Kind regards

DP - K

Tags: Notebooks

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