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Since I updated my Arch system with sudo pacman -Syu I am not able to boot into X anymore. All I see is a warning about the unsupported brightness interface. This was shown before, is a known bug and not the reason of the problem.

I am able to start a CLI session by cmd+alt+<f2-f6> but I am not able to login with my username and password. If I boot into single user mode I am not able to start the terminal session because of this error:

/bin/sh: error while loading shared libraries: libncursesw.so.5: cannot open shared object file: No such file or directory

Before I mess around with chroot like suggested here, I would like to know if there is a possibility to fix the missing shared library error.

I am using GNU GRUB version 2.02^beta2 on a ThinkPad L450.

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    Never pacman -Syy $package, it breaks your system. Use a live medium, mount your partitions under /mnt and pacman -r /mnt -Su. – jasonwryan Oct 14 '15 at 21:27
  • @jasonwryan I did not update a package but the whole system. – user937284 Oct 14 '15 at 21:40
  • Apparently not: otherwise your shell would not be looking for an older curses library... – jasonwryan Oct 14 '15 at 21:41
  • @jasonwryan Can you provide an answer with a more detailed description to your solution or at least a link please? – user937284 Oct 14 '15 at 21:46
  • There isn't more to it: boot from a live disk, mount your necessary partitions and run the update pointing to your mounted /. – jasonwryan Oct 14 '15 at 21:49

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