Afer selecting manjaro in the grub loader it shows the following error
If i press any key my mouse and keyboard shutdown. I did a system update yesterday but didn’t get any error message. I appreciate any help.
Your update was probably interrupted. You’ll have to boot from the install medium in live mode and complete the update from there in a chroot.
When booted up from the live medium, open up a terminal window and issue the following commands… 
sudo su -
manjaro-chroot -a
pacman-mirrors -f 5 && pacman -Syyu
update-grub
exit
Let it finish doing its thing, and then reboot the machine.
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Can you boot with the Manjaro USB stick and show content of /boot ?
Is another OS installed?
I have windows 10 installed on a second hd and i am currently creating a manjaro usb stick
[manjaro@manjaro ~]$ sudo su -
[manjaro ~]#
[manjaro ~]# manjaro/chroot /a
-bash: manjaro/chroot: No such file or directory
[manjaro ~]# manjaro-chroot -a
grub-probe: error: cannot find a GRUB drive for /dev/sdc1. Check your device.map.
grub-probe: error: cannot find a GRUB drive for /dev/sdc1. Check your device.map.
==> Detected systems:
--> 0) ManjaroLinux
--> 1) Windows
==> Select system to mount [0-1] :
0
==> Mounting (ManjaroLinux) [/dev/sda1]
--> mount: [/mnt]
[manjaro /]# pacman/mirrors -f 5 && pacman -Syyu
bash: pacman/mirrors: No such file or directory
[manjaro /]# pacman-mirrors -f 5 && pacman -Syyu
::INFO Downloading mirrors from repo.manjaro.org
::INFO Using custom mirror file
::INFO Querying mirrors - This may take some time
0.116 Germany : https://mirror.netzspielplatz.de/manjaro/packages/
0.137 Germany : https://mirror.23media.com/manjaro/
0.086 Germany : http://mirror.23media.com/manjaro/
0.153 Germany : https://manjaro.moson.eu/
0.112 Germany : http://manjaro.moson.eu/
0.138 Germany : https://mirror.alpix.eu/manjaro/
0.161 Germany : https://ftp.halifax.rwth-aachen.de/manjaro/
0.409 Germany : ftp://ftp.halifax.rwth-aachen.de/manjaro/
::INFO Writing mirror list
::Germany : https://mirror.23media.com/manjaro/stable/$repo/$arch
::Germany : https://manjaro.moson.eu/stable/$repo/$arch
::Germany : https://mirror.netzspielplatz.de/manjaro/packages/stable/$repo/$arch
::Germany : https://mirror.alpix.eu/manjaro/stable/$repo/$arch
::Germany : https://ftp.halifax.rwth-aachen.de/manjaro/stable/$repo/$arch
::INFO Mirror list generated and saved to: /etc/pacman.d/mirrorlist
:: Synchronizing package databases...
error: failed to update core (unable to lock database)
error: failed to update extra (unable to lock database)
error: failed to update community (unable to lock database)
error: failed to update multilib (unable to lock database)
error: failed to synchronize all databases
[manjaro /]#
That is the result. I had some typos i noticed to late(not used to the qwerty layout). But i left them in, incase they messed something up.
The content of boot on my manjaro ssd
You have to delete /var/lib/pacman/db.lck. That file will exist because you interrupted the update process.
rm /var/lib/pacman/db.lck
Just found that on the wiki as well. Followed the instructions after that and now it boots again. Thanks for the help.
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