I'm trying to install a second SSD not seen in my nitro an517-51

2 SSD not booting is that the motherboard of your computer is not updated to be able to recognize to boot from SSD In this case, your PC

Re: nvme ssd not showing up in bios boot option Hello @noah121 , Welcome to the Community Forums I would suggest trying to possibly switch

m2 vs nvme slot What motherboard? Some models don't support 2 NVMe drives For example, my B450M Pro4 will support NVMe drive on the first slot

m24 slot Methods to Fix the SSD Not Showing Up on Windows 11 PC · Method 1: Initialize the Drive & Assign it a Letter · Method 2: Update Storage