14.04.3 Live USB not booting only on desktop

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Answer: 1

28 hours ago

Acer Aspire XC-610 desktop computer

Sandisk Cruiser USB 3.0 16GB

Ubuntu 14.04.3 LTS

Dell Inspiron 15 Laptop

I downloaded ubuntu-14.04.3-desktop-i386.iso and created a live USB using Startup Disk. Live boots normally on the Dell laptop, but it doesn't boot at all on my Aspire desktop.

I have checked the BIOS settings, turned on and off the secure boot and rearranged boot devices but when I boot and press F-12, I only get 3 "ubuntu" options, none of which are the Live USB.

When running Gparted, I got the following error: [QUOTE]/dev/sdd contains GPT signatures, indicating that it has a GPT table. However, it does not have a valid fake msdos partition table, as it should. Perhaps it was corrupted -- possibly by a program that doesn't understand GPT partition tables. Or perhaps you deleted the GPT table, and are now using an msdos partition table. Is this a GPT partition table?[\QUOTE] I was getting an image of an empty USB drive in gparted, so I tried creating a format. I had to create a partition table first, and it wiped out the drive.

I deleted everything and ran startup disk again. Now I get the image below.

gparted print screen

Ubuntu Live boots on my laptop, but it still doesn't show up in my desktop regardless of my secure boot settings in the BIOS for the uefi.

I also have the same image burned on a 4GB Sandisk Cruiser USB 2.0 device and the desktop boots and runs Ubuntu fine from it.

I have tried changing USB outlets in the computer. I tried the USB 3 port, and two of the USB 2 ports with both devices and I get the same results, the 2.0 device works, but the 3.0 device doesn't boot.

Either one boots on the laptop, but the 3.0 is just a little faster than the 2.0.

Answer: 2

4 hours ago

The 32bit image doesn't work with UEFI (Unless you have Legacy support enabled). Also, try plugging the 3.0 stick into a 2.0 port and see if it works. – the_Seppi Dec 8 '15 at 12:08

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