[ubuntu] USB HDD off for Grub

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http://ubuntuforums.org – I have a Seagate 1TB USB Hardrive that seems to power off when the grub screen comes on the laptop. I therefore cannot boot to the Ubuntu OSs on it. The boot repair script is on paste.ubuntu.com/5791247/. The USB HDD seems to power on with the computer, and after I choose a partition on sda[internal]. It used to do this to me before, but only on restarts, not power off then turn on. I have an Acer 5537 laptop, but the Bios is quite basic[simple]. Thank you for your help. Colin (Hardware)