{"id":307,"date":"2013-02-02T18:04:55","date_gmt":"2013-02-02T18:04:55","guid":{"rendered":"http:\/\/blog.daft-ideas.co.uk\/?p=307"},"modified":"2013-02-02T18:04:55","modified_gmt":"2013-02-02T18:04:55","slug":"grub-efi-dual-boot-errors","status":"publish","type":"post","link":"https:\/\/blog.daft-ideas.co.uk\/2013\/02\/02\/grub-efi-dual-boot-errors\/","title":{"rendered":"Grub EFI Dual boot errors"},"content":{"rendered":"<p>I recently decided to move install Xubuntu on my desktop, having gotten fed up of Arch Linux. Arch Linux will make it&#8217;s return, but I was having too much trouble with the AMD legacy drivers. When I&#8217;ve upgraded my graphics card (hint &#8211; for one that doesn&#8217;t have shit linux support), I&#8217;ll move back.<\/p>\n<p>In the meantime, I had some problems with Grub.<\/p>\n<p>To begin with, the install did not recognise my Windows partitions at all, but I could still boot from the EFI menu to Windows. I would rather have grub though, instead of having to hammer away at the F8 key on every cold boot.<\/p>\n<p>According to the Ubuntu page about <a href=\"https:\/\/help.ubuntu.com\/community\/UEFI\">UEFI<\/a>, you should use <a href=\"&quot;https:\/\/help.ubuntu.com\/community\/Boot-Repair\">boot-repair.<\/a><\/p>\n<p>I used boot repair, and the output from it can be found <a href=\"http:\/\/paste.ubuntu.com\/1598100\/\">here<\/a>.<\/p>\n<p>This updated grub, found the Windows partition, and added Windows as an option (actually 2 options for Windows. Don&#8217;t know why, but there are multiple EFI files for Windows on the EFI partition).<\/p>\n<p>I got this error:<\/p>\n<pre lang=\"grub\">error: no such file or device: 16E0-4903\r\nerror: no such file or device: 16E0-4903\r\nerror: file '\/EFI\/Microsoft\/Boot\/bootmgfw.efi' not found\r\n\r\nPress any key to continue\r\n<\/pre>\n<p>The grub entry for Windows looked like this:<\/p>\n<pre lang=\"grub\">menuentry \"Windows 7\" {\r\nsearch --fs-uuid --no-floppy --set=root 16E0-4903\r\nchainloader (${root})\/EFI\/Microsoft\/Boot\/bkpbootmgfw.efi\r\n}\r\n<\/pre>\n<p>I checked the EFI partition, and sure enough the file is there. I checked the UUID of sda1 (the EFI partition), and it was correct.<\/p>\n<p>I tried to fix it myself, by using the hard drive name instead of the UUID, but that gave errors about partition type.<\/p>\n<p>Turned out I needed to add this:<\/p>\n<pre lang=\"grub\">menuentry \"Windows 7\" {\r\ninsmod part_gpt\r\nsearch --fs-uuid --no-floppy --set=root 16E0-4903\r\nchainloader (${root})\/EFI\/Microsoft\/Boot\/bkpbootmgfw.efi\r\n}<\/pre>\n<p>I found the information <a href = \"http:\/\/ubuntuforums.org\/showthread.php?t=2072950&amp;page=2\" >here.<\/a><\/p>\n<p>I don&#8217;t know why that line wasn&#8217;t added, but there we are.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I recently decided to move install Xubuntu on my desktop, having gotten fed up of Arch Linux. Arch Linux will make it&#8217;s return, but I was having too much trouble with the AMD legacy drivers. When I&#8217;ve upgraded my graphics card (hint &#8211; for one that doesn&#8217;t have shit linux&#8230; <a class=\"continue-reading-link\" href=\"https:\/\/blog.daft-ideas.co.uk\/2013\/02\/02\/grub-efi-dual-boot-errors\/\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,29],"tags":[32,35,33,30,31,34,37,36],"_links":{"self":[{"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/posts\/307"}],"collection":[{"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/comments?post=307"}],"version-history":[{"count":6,"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/posts\/307\/revisions"}],"predecessor-version":[{"id":313,"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/posts\/307\/revisions\/313"}],"wp:attachment":[{"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/media?parent=307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/categories?post=307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.daft-ideas.co.uk\/wp-json\/wp\/v2\/tags?post=307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}