Selected Boot Image Did Not Authenticate

I was having problems with my new computer (HP Envy m6, running windows 8). It was not signing me out properly and would not shut down. I thought that maybe I just needed to update the windows software. But upon updating the software and turning my computer back on it gave me a black screen with one blue box that says "Selected boot image did not authenticate. Press <Enter> to Continue. If I press Enter the computer the computer turns off (turning back on displays the same message). If left on nothing changes and it will continue to run the computer.

This upsets me because there is no way I have a virus because I'm running Norton 360 and anything I have downloaded was completely legitimate.

November 2nd, 2012 4:55pm

problem solved
Use the system recovery (F11) in automatic mode, all your data and programs remain
cause of the error was dead bootloader
Free Windows Admin Tool Kit Click here and download it now
November 3rd, 2012 10:39am

Problem solved

In BIOS you must disabled SecureBoot option and enabled LEGACY boot mode. That's all.

November 16th, 2012 4:04pm

Sorry to bump this, but I'm experiencing the same issue and these answers aren't helpful to me. I'm not very computer smart and I have no idea what "BIOS" are and what not. Please someone help me with an easier to understand way of how to fix this. I've only had this laptop for a week and this is already happening its very frustrating.

Also I don't quite understand how F11 could help.... F11 on this laptop is sound off?

EDIT: Okay I did what Tiger said (enable Legacy) and now it gives me a bluescreen telling me my PC needs to be repaired and the digital signature could not be verified.
  • Edited by Tyyy95 Sunday, January 13, 2013 1:33 AM
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January 13th, 2013 4:17am

I have the same problem, tried all the above solutions but still computer reads my pc needs to be repaired. If i knew this was going to happen, i would have just stayed on Windows 7. I have lost two hours of valuable work just before my HP g7 decided to act the goat and update itself to non-working mode.
  • Edited by Acepower84 Monday, January 21, 2013 11:25 PM Spelling
January 22nd, 2013 2:25am

Thanks Tiger01. It worked
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January 30th, 2014 7:24pm

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