https://mediawiki.geitenpad.rijkenmiel.nl/index.php?action=history&feed=atom&title=Grub 2026-09-12T03:24:27Z Revision history for this page on the wiki MediaWiki 1.43.1 https://mediawiki.geitenpad.rijkenmiel.nl/index.php?title=Grub&diff=47&oldid=prev 2025-01-05T14:34:02Z

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Rijk https://mediawiki.geitenpad.rijkenmiel.nl/index.php?title=Grub&diff=46&oldid=prev 2020-04-26T08:04:09Z

<p><span class="autocomment">Screen resolution on 4k</span></p> <p><b>New page</b></p><div>== Grub 1 ==<br /> * Boot van live cd<br /> <br /> sudo grub<br /> find /boot/grub/stage1<br /> root (hd?,?) met op vraagtekens uit 3)<br /> setup (hd0)<br /> <br /> == Grub 2 ==<br /> <br /> ==== Reinstall from live cd ====<br /> <br /> * Boot van live cd<br /> <br /> Here assuming the Ubuntu partition is sda7,and /boot partition is sda6 (if you have a separate /boot partition).<br /> Boot up ubuntu from the livecd,open terminal and run: sudo -i<br /> mount /dev/sda7 /mnt<br /> mount /dev/sda6 /mnt/boot #skip this one if not have a separate /boot partition<br /> grub-install --root-directory=/mnt/ /dev/sda<br /> <br /> If you miss “grub.cfg” file,use following to recreate: mount --bind /proc /mnt/proc<br /> mount --bind /dev /mnt/dev<br /> mount --bind /sys /mnt/sys<br /> chroot /mnt update-grub<br /> umount /mnt/sys<br /> umount /mnt/dev<br /> umount /mnt/proc<br /> exit<br /> <br /> ==== Change default ====<br /> <br /> sudo vim /etc/default/grub<br /> <br /> change GRUB_DEFAULT=6<br /> <br /> sudo update-grub<br /> <br /> ==== Screen resolution on 4k ====<br /> <br /> sudo vim /etc/default/grub<br /> <br /> change GRUB_GFXMODE=1024x768<br /> <br /> Of naar iets van de volgende modes:<br /> [[File:Grub-videomodes.jpeg|500px|Videomodes]]<br /> <br /> sudo update-grub<br /> <br /> == Extra resources ==<br /> <br /> https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows<br /> <br /> http://howtoubuntu.org/how-to-repair-restore-reinstall-grub-2-with-a-ubuntu-live-cd</div>

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