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Possible Duplicate:
Can't boot without Flash Drive plugged in

I tried to install Ubuntu 12. 04 using USB on HP pavilion dv4 which has Windows 7 home premium. The installation went smooth, but after rebooting it directly booted into Windows 7. When I inserted the USB device it showed the grub menu. I suppose the boot loader got installed on the USB device.

Can any one give me a solution to this?

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kashyap
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  • You mean USB Pendrive? What you had in the USB? An Ubuntu ISO? What option did you choose: 1. Install with Win. 2. Install alone. or what? What was its previous size and post-installation? – Lucio Jun 23 '12 at 01:36
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    possibly this, http://askubuntu.com/q/125494/47291 – Mateo Jun 23 '12 at 02:14

1 Answers1

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From your booted Ubuntu system, open a terminal, then use the following commands to install grub to the internal drive :

sudo grub-install /dev/sdX

sudo update-grub

Replacing sdX with the actual drive, which will probably be sda, but use disk utility to double check if you are unsure.

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