I am new to the Ubuntu. I have installed the ubuntu 12.04 from the usb drive. But it needs the usb drive every time to open and run. Please suggest me a solution to overcome.
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please give full specifications and also have you dual booted and what do you mean by everytime dosen't a grub menu (a boot menu) comes out to select operating system?? – Chinmaya B Jun 15 '14 at 15:51
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there is no option for selecting the OS. i had install the ubuntu only – Ganesh Joshi Jun 15 '14 at 15:54
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try reinstalling – Chinmaya B Jun 15 '14 at 15:54
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i had try many times, – Ganesh Joshi Jun 15 '14 at 15:56
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open terminal and type following command
sudo grub-install /dev/sda
this will write a MBR and install grub by the way grub is a boot controller which allows you to boot to multiple os for more info read this
Chinmaya B
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I got the following error while run this command: /usr/sbin/grub-probe: error: cannot find a device for /boot/grub (is /dev mounted?). What is this mean – Ganesh Joshi Jun 15 '14 at 16:03
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this means you have to get the address of the partition where you have installed ubuntu – Chinmaya B Jun 15 '14 at 16:05
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open dashboard and type disks you will get the disks and the major partiton where ubuntu is installed is the first one and also it is of ext4 file system type actually /dev/sda is the first one the primary partition of you HDD – Chinmaya B Jun 15 '14 at 16:15