You can try previous kernel versions your system had prior to the problem, using this technique: https://wiki.ubuntu.com/RecoveryMode
No need to select "recovery mode" but other older kernel versions should still be listed for you to use.
You can try previous kernel versions your system had prior to the problem, using this technique: /wiki.ubuntu. com/RecoveryMod e
https:/
No need to select "recovery mode" but other older kernel versions should still be listed for you to use.