Quick post, mainly for my future self…<\/p>\n\n\n\n
Today I had to reinstall Windows. Because that’s what you apparently have to do with Windows, even if you barely ever use it. As always after a Windows installation, afterwards the machine directly booted into Windows. No sign of my usual grub boot menu.<\/p>\n\n\n\n
So I downloaded grml<\/a>, wrote it to a USB thumb drive and booted from it by selecting the device in the BIOS (or whatever the mainboard firmware is called nowadays). After some struggling with Directly after the Windows re-installation, its output looked (roughly) like that:<\/p>\n\n\n\n After a simple And tadaa, once I rebooted grub greeted me (with its Windows entry down the bottom, and the Linux entry pre-selected as it should be).<\/p>\n","protected":false},"excerpt":{"rendered":" Quick post, mainly for my future self… Today I had to reinstall Windows. Because that’s what you apparently have to do with Windows, even if you barely ever use it. As always after a Windows installation, afterwards the machine directly booted into Windows. No sign of my usual grub boot menu. So I downloaded grml, … Continue reading “Windows installation broke grub – easy fix”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-798","post","type-post","status-publish","format-standard","hentry","category-linux-general"],"_links":{"self":[{"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/posts\/798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/comments?post=798"}],"version-history":[{"count":1,"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/posts\/798\/revisions"}],"predecessor-version":[{"id":799,"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/posts\/798\/revisions\/799"}],"wp:attachment":[{"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/media?parent=798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/categories?post=798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/patrick-nagel.net\/blog\/wp-json\/wp\/v2\/tags?post=798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}grub-install<\/code>, I found out that in the age of EFI, there is a much simpler way to get things in order again: efibootmgr<\/code> to the rescue!<\/p>\n\n\n\n# efibootmgr\nBootCurrent: 0002\nTimeout: 5 seconds\nBootOrder: 0000<\/mark>,0003<\/mark>,0001,0002,0004\nBoot0000<\/mark>* Windows Boot Manager\nBoot0001* UEFI:CD\/DVD Drive\nBoot0002* UEFI:Removable Device\nBoot0003<\/mark>* ubuntu\nBoot0004* UEFI:Network Device<\/code><\/pre>\n\n\n\nefibootmgr --bootorder 0003,0000,0001,0002,0004<\/code> I got this:<\/p>\n\n\n\n# efibootmgr\nBootCurrent: 0002\nTimeout: 5 seconds\nBootOrder: 0003<\/mark>,0000<\/mark>,0001,0002,0004\nBoot0000<\/mark>* Windows Boot Manager\nBoot0001* UEFI:CD\/DVD Drive\nBoot0002* UEFI:Removable Device\nBoot0003<\/mark>* ubuntu\nBoot0004* UEFI:Network Device<\/code><\/pre>\n\n\n\n