Every now and then TW gets stuck during the boot of my Dell XPS laptop, the little rotating freezes and nothing happens (see attached photo). I have to reboot it and it works on a second attempt, however this morning I had to reboot 3 times until a successful boot. Can anybody please help me identify the problem?
Failing hardware? I had this on a system. The number of “fails” vs. the number of “succeeds” increased over time. Now that system will not boot from anything (internal disk, USB connected mass-storage) any more. 
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Boot with plymouth.enable=0 and without quiet on kernel command line. Then post photo of the screen when messages stop to scroll.
This is scary and might be happening to me. As I said, usually it happened rarely and I only had to reboot once, but today it froze three times in a row before I was able to boot.
Thank you! I added those arguments via /etc/default/grub, and will post the logs next time it freezes.