Hey everyone, I'm facing some problems with my new RTX 5070 graphics card. My PC runs flawlessly with the RTX 2060, but when I switch to the 5070, it randomly shuts down or reboots without any BSOD—just a 'no signal' message. I also noticed that the background at the login screen is completely black until I log in, after which my wallpaper reappears. Here are my system specs: Power supply: GIGABYTE P750GM 750W 80+ Gold, CPU: Intel Core i5-10600KF, RAM: 32GB, Storage: NVMe SSD + HDD, and a Gigabyte H410M-H motherboard (with the BIOS updated). I connected the GPU using NVIDIA's cables along with two new 8-pin cables that came with my PSU. I've double-checked all my connections, and I'm confused about why the RTX 2060 works perfectly while I have these issues with the 5070.
2 Answers
You might want to check your BIOS settings. Some users have had success changing the PCIe settings from Auto to GEN 1 or GEN 2. It could help with compatibility issues that sometimes pop up with newer GPUs.
Have you installed the latest BIOS? Older versions can cause problems with the new RTX 50 series graphics cards. An update might solve your issues!
Yeah, I have the latest BIOS installed.

I’m on PCIe 3, which I thought was the max my motherboard supports. If it needs to be adjusted, I’m not really sure how to go about it!