Great news about the new PSU support!
Great news about the new PSU support!
Hello, I recently acquired a new GPU 4070 Ti and was considering adding it to my current system. Before proceeding, I thought since the minimum PSU requirement for that GPU is 750W (which matches what I already have), it would be wise to upgrade for better performance and power handling. However, things didn’t go as expected. My current setup includes a Tuf Gaming X570-PLUS (Wi-Fi), AMD Ryzen 5 3600 6-core processor, G.Skill DDR4 8GB RAM (2x), NVIDIA GeForce GTX 1060 6GB, EVGA 750W Bronze power supply, and a Corsair RM1000x PSU (not yet installed but intended). The new GPU is also present but not yet installed. Everything functions properly from the start, and I haven’t overclocked.
Recently, after fully disconnecting the original 750W PSU and reinstalling the 1000W Corsair RM1000x, I encountered an issue. The system still uses the same original components but with the new 1000W PSU. When I press the power button, there’s a brief flash of activity followed by an abrupt shutdown. Even after turning off the power and trying again, nothing happens. I’ve also tested cycling the PSU’s power switch on and off, but the problem persists.
I double-checked the connectors—24-pin, 8-pin CPU, cables from the box, and confirmed the PSU is operational. I booted without the GPU, re-seated RAM, reset BIOS to defaults. I’m confident the motherboard still supports it, as everything worked fine after switching to the 750W PSU.
I’m struggling to find a solution and am worried about my girlfriend’s reaction since the GPU was a gift from her. I don’t want her to think I’m not appreciating it. (Please help me figure this out.)
Clear, I avoided the same cables because the 750w model includes built-in cabling while the 1000w is modular. For my current setup with the new PSU, I used every cable provided in the box. I’ve also verified that all cables and the PSU are functioning properly using a PSU tester.
If you revisit my earlier comment, the updated PSU is functioning correctly until I connect it to the current machine. In short, I replaced my old 750W with the new 1000W and both the motherboard and graphics card are receiving power. However, whenever I attempt to start the computer, it briefly flashes and then stops without doing anything while still supplying power to the GPU and motherboard. Switching back to the original 750W PSU resolves the issue completely. I’ve verified the new PSU with a tester, but once installed, my PC encounters an unclear problem that I’m trying to diagnose.
Did you want to test it outside the case to check for grounding problems?
I also gave it a shot. When it failed initially, I swapped in the 750w, turned it off, removed it and plugged in the 1000w while taking it out of the case—it didn’t start. Now the 750 is back inside and it’s running smoothly.