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I recently installed ubuntu long term support on this PC. The pc is to be passed on to a family member who wants an installation of windows. I have attempted to boot from a bootable windows CD, a bootable windows USB, and a bootable AVG recovery USB. Every time the system attempts to access the USB stick the system stops it and displays a message with the general message of disc access blocked by system... How can I gain access to my bootable usb?

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closed as off-topic by Eliah Kagan, Braiam, guntbert, mikewhatever, BuZZ-dEE Jan 18 at 9:07

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This is not about Ubuntu. Questions about other Linux distributions can be asked on Unix & Linux, those about Windows on Super User, those about Apple products on Ask Different and generic programming questions on Stack Overflow." – Eliah Kagan, Braiam, guntbert, mikewhatever, BuZZ-dEE
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What happens during the boot process is not directed by Ubuntu. –  guntbert Jan 16 at 21:13

1 Answer 1

If this system was shipped with windows 8 the issues is a setting in the bios it is called 'secure boot' any OS not signed off my MS can't boot with it enabled
http://en.wikipedia.org/wiki/Unified_Extensible_Firmware_Interface#Secure_boot

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Secure boot was turned on, so I've disabled it. unfortunetly I am still unable to boot to a usb, or cd device. I'm pretty certain If i could just get to my avg recovery device I could fix this computer, but how to get there? –  GameOver Jan 15 at 16:59
    
I'm tempted to pull the harddrive and install the copy of windows xp pro that I'm attempting to install from another computer onto the hard drive and plug it back in...would this work? –  GameOver Jan 15 at 17:05
    
If they are the same model computers it should, you should not be using XP, it is really crappy on modern hardware, it is fine for a Pentium 4 from 2002 but not a modern system, XP is EOL this April –  GM-Script-Writer-62850 Jan 15 at 17:28
    
Also I dont think XP is compatible with UEFI, you may have a UEFI/BIOS option, XP will need BIOS mode –  GM-Script-Writer-62850 Jan 15 at 17:29

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