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I have a Sony vaio e11 series laptop with windows 8.

I went to install Ubuntu from a bootable USB after wiping windows 8. I went to restart the laptop and I get a message saying

error: unknown file system. Grub rescue

To make matters worse the USB doesn't boot when I turn the laptop on and I have no way to access the BIOS.

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Windows 8 hardware comes with UEFI + secure boot feature (one or both) if I'm not mistaken. This makes installing Ubuntu on such hardware cause issues. Read this: askubuntu.com/questions/130392/… –  Marky Jan 1 '13 at 10:29
    
That's why I wiped windows so it can install. But because of how they have the laptop boot up I can't get into the BIOS or anything. –  howard Jan 1 '13 at 12:54
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1 Answer

These issues are due to UEFI that comes with Windows 8 devices. Removing Windows will not remove UEFI.

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