Computer restarting since it was built

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PCHF Member
PCHF Member
Sep 20, 2020
Hi there!

I built my first PC about a month ago with the help of my buddy. I am very new to the PC game and I am still trying to learn the ins and outs. Since day one of the build, my pc has randomly restarted about everyday. There is no BSOD and no warnings or pop ups when logging back on. It simply restarts and boots right back up. It tends to only crash when watching YouTube/HBO/Hulu or working/rendering in Premiere. I can play COD or Fortnite for 5-6 hours without a crash, but if I start up my pc and run YouTube it reboots almost immediately.

I've gone through a lot of troubleshooting, reinstalled drivers, reinstalled my applications, etc. I've changed the little settings like accelerated hardware. Nothing has seemed to improve or worsen the problem. As far as I can tell, CPU and GPU temperatures are totally normal and there have been no noticeable spikes. Everything seems to be running perfectly fine other than the restarts.

Here is my rig:
AMD Ryzen 7 3700X 3.6 GHz 8-Core Processor
Asus ROG STRIX B550-F GAMING (WI-FI) ATX AM4 Motherboard
G.Skill Ripjaws V 32 GB (2 x 16 GB) DDR4-3600 CL19 Team MS30 512 GB M.2-2280 Solid State Drive
Seagate Barracuda Compute 2 TB 3.5" 7200RPM Internal Hard Drive
Gigabyte GeForce RTX 2070 8 GB WINDFORCE 2X Video Card
NZXT H510 ATX Mid Tower Case
Thermaltake Smart 600 W 80+ Certified ATX

If anyone has any ideas or has had similar issues please share! I'm getting super frustrated and haven't been able to do the amount of work on my pc that I was hoping to. Thanks!
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