PSU not powerful enough?

[connorj056]

Hi. I bought a brand new pre-built computer which ran perfectly fine the first few times I used it however sometimes when I try power it on it will not turn on but the motherboard lights and graphics card lights are still lit showing that it has power. Sometimes when in games such as Forza or Fortnite the computer shuts itself off completely instantly sometimes rebooting itself straight away or not rebooting at all for up to an hour. My PSU is a AeroCool Mod XT 750W and my graphics card is an MSI 1080Ti. I just need my computer to be able to power up whenever I need it to and I need it to stay on without shutting off itself.

 

[fredfinks]

The power rating is fine, the quality of the PSU is the problem. It sounds like its faulty.

Take it back and swap it for one recommended in the stickied PSU thread.

 

[ArchitSahu]

PSU is over 8 years old in terms of age, and is horrible in terms of quality and reliability. Switch it out asap. Look for a better unit.