# Booting to bios

**URL:** <https://forum.endeavouros.com/t/booting-to-bios/32215>\
**Category:** Newbie\
**Created:** [September 27, 2022, 10:11am UTC](https://forum.endeavouros.com/t/booting-to-bios/32215 "2022-09-27T10:11:12Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Zircon34](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/zircon34/32/135623_2.png) [@Zircon34](https://forum.endeavouros.com/u/Zircon34)\
**Post date:** [September 27, 2022, 10:15am UTC](https://forum.endeavouros.com/t/booting-to-bios/32215/3 "2022-09-27T10:15:23Z")

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> [@enduser1](#):
>
> updated my system 3 days ago,

When was your last update before that? When did you install eos and which iso was used? Could be related to the grub issue that was looming around for a couple of weeks. Depends on where your system updates are at and whether you ran the grub-install. Else you will need to chroot.

> [@The latest grub package update needs some manual intervention](https://forum.endeavouros.com/t/the-latest-grub-package-update-needs-some-manual-intervention/30689):
>
> (Grub 2:2.06.r322.gd9b4638c5-1) Grub Update Causing Unbootable OS On UEFI Systems A grub update today is causing boot issues on UEFI systems. It will make most systems unbootable so take care! with no intervention, the system will just boot directly into Firmware with no way to boot the OS. If you have this issue follow these instructions: First boot onto an EndeavourOS Live ISO. Ensure that you are booting the ISO via UEFI mode. Follow these instructions to chroot into your install: [ht…](https://discovery.endeavouros.com/system-rescue/arch-chroot-for-efi-uefi-systems/2021/03/)

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