{"id":660,"date":"2019-10-14T08:34:22","date_gmt":"2019-10-14T07:34:22","guid":{"rendered":"https:\/\/tollana.d-tor.org\/notes-to-self\/?p=660"},"modified":"2019-10-14T08:34:22","modified_gmt":"2019-10-14T07:34:22","slug":"dual-boot-with-uefi","status":"publish","type":"post","link":"https:\/\/tollana.d-tor.org\/notes-to-self\/?p=660","title":{"rendered":"Dual boot with UEFI"},"content":{"rendered":"\n

Install Windows first. The setup creates an EFI partition, most likely as \/dev\/sd?2. We’re gonna need that later. Then turn off fast boot. Enter<\/p>\n\n\n\n

powercfg -h off<\/pre>\n\n\n\n
on the command prompt. Make sure that you have local admin rights. Fast boot is incompatible with dual boot. You’ll get blue screens with repair options otherwise. While at it, set the system clock to UTC. Create this DWORD registry key:<\/p>\n\n\n\n
HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\TimeZoneInformation\\RealTimeIsUniversal<\/pre>\n\n\n\n
and set it to “1”.<\/p>\n\n\n\n
Then install linux and mount \/dev\/sd?2 from above to boot. Then create a new file named arch.conf in \/boot\/loader\/entries:<\/p>\n\n\n\n
title \u00a0\u00a0Arch Linux\nlinux \u00a0\u00a0\/vmlinuz-linux\ninitrd \u00a0\/initramfs-linux.img\noptions root=UUID=$(blkid \/root\/partition) rw audit=0\n<\/pre>\n\n\n\n
The paths are relative to \/boot, so vmlinuz-linux should be \/boot\/vmlinuz-linux. Next edit \/boot\/loader\/loader.conf:<\/p>\n\n\n\n
console-mode auto\ndefault arch\ntimeout 5<\/pre>\n\n\n\n
Assuming that you’re using systemd-boot, run bootctl install and bootctl update, reboot and be happy!<\/p>\n","protected":false},"excerpt":{"rendered":"
Install Windows first. The setup creates an EFI partition, most likely as \/dev\/sd?2. We’re gonna need that later. Then turn off fast boot. Enter powercfg -h off on the command prompt. Make sure that you have local admin rights. Fast boot is incompatible with dual boot. You’ll get blue screens with repair options otherwise. While … Continue reading Dual boot with UEFI<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,13,77,43],"tags":[157,109],"class_list":["post-660","post","type-post","status-publish","format-standard","hentry","category-arch-linux","category-desktop","category-linux","category-windows","tag-powercfg","tag-uefi"],"_links":{"self":[{"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=\/wp\/v2\/posts\/660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=660"}],"version-history":[{"count":1,"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=\/wp\/v2\/posts\/660\/revisions"}],"predecessor-version":[{"id":661,"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=\/wp\/v2\/posts\/660\/revisions\/661"}],"wp:attachment":[{"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tollana.d-tor.org\/notes-to-self\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}