I'm running Ubuntu 18.04, it crashes about once a week. Sometimes while watching video sometime or just web-browsing. I check the system log and kernel log they don't have any strange output at the crash time, last output before crashing is something normal being outputed several times a day.
And I not able to use Ctrl+ALT+F3 to enter virtual terminal or REISUB reset , every time I had to restart my PC by powerbutton. How can I find where the problems are?
