Computer tries to boot from external hard drive

Computer tries to boot from external hard drive drivers#
Computer tries to boot from external hard drive Pc#

(if you only remove Mbr and bootable flag (or just grub), the boot repair tool can help you. Unfortunately you will loose your kernel ( /boot/vmlinuz* mostly) and so but if you really mean to never boot up that device, you can try it.

Computer tries to boot from external hard drive Pc#

That is the place where the pc looks at boot time and where grub lies. If that doesn't work and the old hard drive is still getting booted, you might try the hack to remove the /boot directory (or empty the partition, if so) on this hard drive. The following command will erase mbr, but not your partitions: dd if=/dev/zero of=/dev/sdc bs=446 count=1 NOTE: fdisk doesn't want you to enter sdh6 or even /dev/sdh6, it just wants 6 in this case. I set the external hard drives to 'Hard Disk' option (note: none of the external hard drives are 'bootable' and I am not trying to use them as such, just for storage) Then I re-set the Boot Device Priority option to have my internal hard drive (RAID array) as 1st boot device, CD/DVD as 2nd device, and Disabled any other boot devices such as the. sdh6) and if the boot flag (second column) is checked with a *

p your partition scheme, look for the partition number (first column, sdXY, ie.

Run fdisk /dev/sdh where sdh is is obviously your right disk.

Get the /dev/sdX number (probably lsblk or such, I will use /dev/sdh for now).

(sorry, dear windows user, search the Web for removing boot flag and dd, dd basically writes zeros to the first 446 bytes which are AFAIK reserved for the Mbr.) such as a USB flash drive before attempting to boot off the hard drive. Common boot devices include hard drive, CD/DVD, USB drive, etc. Usually, the operating system is loaded from the boot device to start your computer.

Computer tries to boot from external hard drive drivers#

If used wrongly or under special circumstances this might kill only parts of your mbr or other data, like partition scheme, too, so make a backup before. If you remove the first hard disk from computer 2011 To modify the batting that. Generally speaking, a boot device refers to the hardware which contains the files and drivers required for computer startup or which is able to read those boot files & drivers. I cannot guarantee success but your bios should skip the hard drive if it doesn't find any boot flag on this hard-drive and no mbr. This will alter the hard drive to remove the 'bootable' flag and empty the mbr.