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I've Installed ubuntu 12.04 in external hard drive with usb 3.0 hardware on a Pre-Installed UEFI Supported Windows 8 system. When installation is done, I tried to boot ubuntu on usb 2.0 but that's doesn't working and when i tried to put the usb flash disk is not recognized too, so I always use usb 3.0 to boot ubuntu. is there a way to recognize the usb 2.0?

My laptop is the Sony VAIO svt13126cvs

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Muhammad Sholihin
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1 Answers1

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Booting with usb are very problematic.

Disable the hard drive from the boot menu, not sure if that will disable it. If so then put it down below the list, usb booting first. My laptop hangs whenever a usb is in.

You might have to install a bootloader on your primary drive and after it's clear POST pop in the usb then select boot ubuntu from where the external drive is located in the bootloader.

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