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G15CF GPU Upgrade

Level 7

Hi all, I am looking to upgrade my GPU in my G15CF prebuilt PC. I have taken the measured to upgrade cooling with an AIO, extra fans, and upgrading the power supply(750W.) Latest drivers, BIOS, UEFI, etc. all installed. I am trying to install an Asus Dual 4070 Super. The issue I'm having is it is not being recognized by the PC. It is getting power as the red power status LED goes off when the PC is turned on and the fans are spinning. I can install the stock 3060 in the second PCIe slot and boot into windows to check device manager and the 4070 is not showing up. I have tried both slots, reseating, etc. Any ideas?