Question PC Crashed, restarting 2 times with Windows Updates, and worked normally.

Dec 23, 2018
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Hello!

I recently run into a problem which gotten me into worries. I was playing rainbow six siege, the display started lagging, then everything started crashing, the game froze after that, teamspeak crashed, and after the PC froze. I restarted it, took quite a while to load windows, the right monitor wasnt working. Then after windows loaded on the left screen, it started loading in the right screen but without the windows logo, just that rolling circle. It proceeded to update windows, restarted, updated again, and worked normally.
Any ideas what it could be and what could I do to prevent it from happening again?
Thank you for reading this!.