Windows 10: Computer froze while watching Youtube with Chrome

So I'm watching youtube on windows 10 when it freezes and I hear a noise that sounds kind of like static and faint letters appear on the video. then the whole chrome window showed the letters and the noise got louder. I then shut of the pc. I want to know what happened because I have no idea and that's why I'm posting here. this laptop has mcafee antivirus that is inactive just in case it was that that did whatever that was. laptop is dell inspiron 15 3000. this sounds fake but it happened and was real. no images, didn't have anything to take a picture with. idk what category to put this in so

:)

 

Youtube locking computer, both in Chrome and FireFox.

I am not the only one who is having this problem with YouTube. All of the support forums for YouTube, Chrome, and Firefox suggest solutions that are useless. I'll disable my extensions and see what happens. I am not going to spent a lot of time on this as I have numerous other ways of watching Youtube. I'll be sure to report any solution.

 

Youtube locking computer, both in Chrome and FireFox.

That is quite odd, I use Youtube everyday with Firefox 58 and Firefox 59 BETA 3 without any problems.

 

My computer restarts when I watch YouTube.

Hello,

Let's determine the cause of the issue. To get started, we'd like to get the following information:

• Is this your first time to encounter this issue?
• Did you make any changes to your computer's configuration prior to the issue?
• Are you experiencing this issue only when watching videos on YouTube?

Faulty hardware or outdated drivers are the possible cause of the issue that you're encountering. For possible troubleshooting steps, please check this article:
Troubleshoot blue screen errors and choose
While using my PC.

Looking forward to your response.