If you are using both Omarine and Windows in the same machine and use GRUB's menu to select the operating system at boot, in a rare case, a Windows update could damage your GRUB image and your computer is no longer bootable.
The workaround is to reinstall the GRUB, it is included in the Omarine.
You boot the Omarine installer (in omarine-7.0-dvd.iso - USB stick or DVD). Assuming you have the Omarine installed in /dev/sda1, we need to mount this partition at /mnt first:
mount /dev/sda1 /mnt
Later we will install GRUB in a chroot environment, which should be aware of device, proc and sysfs:
mount -v --bind /dev /mnt/dev &&
mount -vt devpts devpts /mnt/dev/pts -o gid=5,mode=620 &&
mount -vt proc proc /mnt/proc &&
mount -vt sysfs sysfs /mnt/sys &&
mount -vt tmpfs tmpfs /mnt/run
Now we install GRUB:
if [ -d /sys/firmware/efi ]; then
chroot /mnt grub-install --bootloader-id=OMARINE
chroot /mnt grub-install /dev/sda
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Reboot your computer and you've restored the multi-OS boot menu.
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