Hot answers tagged hard-drive
F3 (Fight Flash Fraud) is another option which should additionally detect fake flash drives (flash drives whose actual capacity is a fraction of advertised capacity): Insert your drive Install F3 sudo apt-get install f3 Write test data to the free space on the drive f3write /media/$USER/D871-DD7C/ Read the test data f3read /media/$USER/D871-DD7C/ ...
You need to set bios to boot from the disk where Ubuntu is installed. Then run sudo update-grub in Ubuntu. You will have options in grub menu.
If you have successfully dual booted Windows UEFI with Ubuntu 14.04 in the past, you can use exact same steps to dual boot Windows UEFI and Ubuntu 15.04. There is no difference here.
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