Please provide system information as described (below).
I’m not sure that anyone can help with your issue now that you;
using Timeshift.
However, if the issue arises again, be sure to let us know. Remember to provide as much useful information as possible.
Regards.
Required reading
System Information
While information from *-fetch type apps might be fine for someone wishing to buy your computer, for Support purposes more indepth information is usually needed;
It’s best to ask your system directly. 
Output of the inxi command with appropriate parameters will achieve this (naturally, formatted according to forum requirements) and will generally be more useful for those wishing to help:
inxi --filter --verbosity=8
or the short form:
inxi -zv8
- inxi man pages (Arch Manual)
Be prepared to provide more information and outputs from other commands whenever asked. It’s equally important to provide as much actionable information as possible in your first post, rather than simply indicating there is a problem.