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Ubuntu 12.04 startup after installation needs USB

rated 0 times [ 1] [ 0] / answers: 1 / hits: 2896 / 2 Years ago, fri, november 4, 2022, 4:48:21

I just installed Ubuntu 12.04 from a bootable USB (created in Ubuntu itself). Everything was fine with installation, but after installation, I need to plugin the USB to start-up.

Ubuntu does not read from the USB (just a tiny activity at startup), but without the USB attached, Ubuntu will not be started. Black screen frozen by _ sign.

I think something for independent start-up has not been correctly copied

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initiallartebeest

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3 Years ago

answered 2 Years ago rhaeams · Accepted Answer

I would reinstall grub. Would certainly appear that grub is installed to the USB. But with the information available it's hard to tell

Assuming you want the bootloader to the MBR, boot into your Ubuntu. Remove the USB and then open a terminal.

Run

sudo grub-install /dev/sda

to install grub to the mbr, update grub

sudo update-grub

Reboot without the usb.