Why Won’t This PC Turn On?!

This gaming pc came in the shop today after our customer claimed that the system stopped powering up after a power outage, let's see if we can get it fixed. Parts Used: Corsair RM850e (PSU): https://amzn.to/4wOW8Wc My Tools: Screwdriver: https://amzn.to/4acqJTP ModMat: https://amzn.to/4fK9Fbm Dr. Power III: https://amzn.to/4dHCGSA Join this channel to get access to perks: https://www.youtube.com/channel/UCxVNTYSYaBXIqhhEURbYZLA/join Follow us on Tiktok: https://www.tiktok.com/@mattscomputerservices Follow us on Instagram: https://www.instagram.com/mattscomputerservices/?hl=en