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I am trying to install Ubuntu on my Toshiba P840t-ST3N01 and I keep getting the following message: Reboot and select proper Boot device or Insert boot media in selected boot device and press a key.

I want to install 14.10 Ubuntu from a USB I have. It boots up fine, but when I install, it says it is installed, but can't boot up. Also tried boot-repair. It tells me to boot from the file sda1/EFI/ubuntu/shimx64.efi though, so how do I do it?

1 terabyte hard drive, windows 8 deleted. UEFI mode enabled.

LiveWireBT
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user3805962
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2 Answers2

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I was having similar issues before installing Ubuntu on a UEFI system. For me the issue was simple, I had to disable QuickBoot/FastBoot and FastStartup (for Windows 8) from the BIOS before installation. If you haven't done that I would recommend to try it. If however you still have that problem, then you may find more information here https://help.ubuntu.com/community/UEFI

Hope this helps

Johnny X
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I found out an answer to my problem! I had to boot my laptop into CSM mode, legacy, and install Ubuntu from there. Before, it said that a file was not found, but if I press tab then, I can locate the file and run it from there. It has fixed my problem and Ubuntu can boot up the hard drive from there.

user3805962
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