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I own an HP Pavilion 5 Notebook which came pre installed with Windows 8. I'm trying to install Ubuntu on my system via a LIVEUSB. But my system doesn't detect the LiveUSB during boot. My boot order is proper, with external USB in the first place, but the system just boots into Windows directly.

Also I observed that when I turn on Legacy mode, the USB is detected. But then I have to install Ubuntu in CSM mode instead of EFI, which causes boot problems later on.

Is there a way to detect my external boot options in UEFI as well? P.S. Secure Boot was disabled during the booting.

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2 Answers 2

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This might simply be due to Secure Boot being enabled. Go into the BIOS > Security settings and disable it.

Secure Boot (Windows 8) on the HP website

Also, after a bid of digging around, I saw that unfortunately you might have quite a few issues getting this to work when Windows 8 has been preinstalled (see this question on askubuntu). It might be worth going through all the suggested fixes and see if that helps.

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  • I disabled Secure boot. This doesn't solve the problem
    – Neil
    Commented Apr 24, 2014 at 7:28
  • @Neil Ok, answer updated :)
    – user1301428
    Commented Apr 24, 2014 at 8:11
  • Thanks @user1301428. But the link you suggested was the link I had visited first when I had started with the installation. :) I tried everything from that tutorial and met with different problems. So I wanted to know whether it was possible to somehow detect external sources in EFI. Is there any way, any at all, to do this? Or is it just impossible?
    – Neil
    Commented Apr 24, 2014 at 11:33
  • @Neil how did you create the external live usb?
    – user1301428
    Commented Apr 24, 2014 at 12:27
  • With YUMI Multiboot software available at pendrivelinux.com
    – Neil
    Commented Apr 24, 2014 at 12:41
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YUMI probably didn't prepare an EFI-compatible USB flash drive. In most cases, the most reliable way to prepare a USB flash drive is with dd, as in:

sudo dd=infile.iso of=/dev/sdc

Change infile.iso and /dev/sdc as appropriate for your system.

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