Computer laptop 15-p047na: laptop won't start up after the Win 8.1 update

I bought this laptop on 16 December and got with the transfer of files and my old desktop PC applications.  Everything is OK until last Sunday, when I left the laptop is a Win the day update 8.1 overnight.  The next day, he asks for a restart, but then, after initial HP logo, the screen turns white for a few minutes.  Then the Win 8 screen with a message: "LogonUI.exe - Application error.  The instruction at 0x00b1645a referenced memory at 0x00000008. The memory could not write. »

When I click OK, the screen turns off then flashes.  The message appears again, with the same result.  I tried to start the computer from a CD and a USB key, after changing the boot sequence in the screen of the BIOS/UEFI, but with the same result.  What should I do?  Help welcome!

Hi @agniculus ,

Welcome to the HP Forums!

It's a place dynamite to find answers and information!

You have the best experience in the HP forum, I would like to draw your attention to the Guide of the HP Forums Learn how Post and more

I understand that after a Windows 8.1 update, that your system does not start properly.

First of all have you tried a hard reset?

Here is do a Hard Reset or forced to reset.

Here is a link to the computer does not (Windows 8) which can also help.

You can also try of using Microsoft System Restore (Windows 8) back to the front, what happened.

You can start safe mode?   Safe mode of Windows 8

Safe mode, you should be able to run the troubleshooter and do the restore.

Good luck!

Tags: Notebooks

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