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#1 2022-11-17 20:32:30
- vaelm
- Member
- Registered: 2022-11-17
- Posts: 9
USB keyboard works on archiso but not in my actual install
I recently rebooted my desktop. Since then if I let it boot like normal it drops me on a login prompt. I can't type anything in the login prompt though so I can't get logged in. I have a live archiso USB where I can type using that keyboard just fine and get into the machine with arch-chroot. How do I get my keyboard working again on my main install?
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#2 2022-11-17 21:17:33
- vaelm
- Member
- Registered: 2022-11-17
- Posts: 9
Re: USB keyboard works on archiso but not in my actual install
I got this fixed by chrooting in and installing an lts kernel with
```
mount /dev/sda3 /mnt
mount /dev/sda1 /mnt/boot
arch-chroot /mnt
pacman -Syu linux linux-lts
grub-mkconfig -o /boot/grub/grub.cfg
reboot
```
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#3 2022-11-17 21:29:34
- seth
- Member
- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 76,427
Re: USB keyboard works on archiso but not in my actual install
If you look at the unmounted /boot path, you'll likely find that you dropped a kernel there, therefore ended up booting an old kernel, lacking kernel modules (for that old version) and therefore random functionality (keyboard, but also the GPU)
This happens if you forget to mount /boot around (kernel) updates.
Please always remember to mark resolved threads by editing your initial posts subject - so others will know that there's no task left, but maybe a solution to find.
Thanks.
Also see https://bbs.archlinux.org/help.php#bbcode - the forum doesn't support markdown.
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