Ubuntu: Unable to boot into Ubuntu 12.10 installed outside windows 8 [duplicate]



Question:

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I am using Sony vaio E series. I installed Ubuntu in one drive. But when I restarted the system it directly goes into windows without showing any options for ubuntu 12.10.I am new to Ubuntu. Please help me.

Thanks


Solution:1

This is because Ubuntu doesn't support Secure Boot. (it is not signed) All Computers that came along with Windows 8 have Secure Boot enabled.

Check your BIOS Setup and search for Secure Boot. Set it to [Disabled]. If you can't find it, search for a BIOS/EFI update on the internet.

As soon as you've disabled Secure Boot, you should be able to boot Ubuntu.


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