I have been experiencing an issue where my monitor goes into standby mode, indicating a signal loss without any freezes. Initially, I thought it was the DisplayPort cable, so I swapped it out, and it worked for about a week before the problem resurfaced during gameplay. After this, my RTX 4080 Super was no longer recognized by Windows 11. I tried another graphics card, and it worked fine for a day, but the issue returned. I checked the 12V supply to the GPU, and I've noticed spikes down to 10V and some readings around 11.4 and 11.5V. I'm planning to upgrade to a better MSI 1250W power supply, but I'm concerned if my 4080 Super is damaged. It's still under warranty, but sending it in would mean being without it for two weeks, which isn't ideal. Any insights?
3 Answers
It sounds like your current PSU isn't delivering a stable voltage, which can definitely cause issues. It probably explains why your GPU isn't starting up properly. You're doing the right thing by upgrading it!
From what I understand, if the PSU can't maintain a steady 12V, it could cause problems. However, as long as the voltage doesn't exceed 12V, your GPU should be safe. What PSU are you using right now?
Lower voltage does mean the GPU might require more current to operate, and excess amperage can potentially cause damage. But modern power supplies usually have protections in place, so I doubt the low voltage has harmed your card. It’s good that you’re getting a higher-rated PSU soon!
I'm using an Inaza Reactor 850W.