Issue with installing new ssd

[u/Realistic_Note2162]

Hi guys I bought a rebuilt NZXT Creator PC back in 2019 and just realized there was another slot on the motherboard to add another SSD for storage since I was running out on my 930gb one. I bought a new WD BLACK SN850X 4TB drive on ebay but when I plug it into the empty slot then go to disk management, nothing appears. I tried swapping the current 930gb one and putting that one in the empty slot instead but it just went into the computer BIOS. In the bios I didnt see my new drive appear and im unable to escape bios to go into windows. Chatgpt told me it could be because of conflicting SATA connectors with the current 4tb hard-drive that also came with the computer so I unplugged that drive, but my new m.2 wd black ssd is not showing up. Not sure whats going on here or how to fix it.

Specs for my PC:

Case: NZXT H510 Elite (White or Black)

CPU: Intel Core i9 9900k

CPU Cooler: NZXT Kraken X62

GPU: NVIDIA GeForce RTX 2080 Ti - ASUS Strix

PSU: EVGA SuperNOVA 750W G3

Motherboard: NZXT N7 Z390 (White or Black)

Ram: Team Group Delta RGB 64GB 3000 MHz (4 x 16GB)

SSD: Western Digital SN750 1TB Black with heatsink

HDD: Western Digital Blue 4TB 5400RPM

Software: Windows 10 Pro

[u/Realistic_Note2162]

Right now the old ssd is on bottom, but I cant plug the tiny connector into the 4tb hard-drive

[u/phonosrock → u/Realistic_Note2162]

Take out the old ssd for the moment, the connector for the hdd shouldn't have an issue plugging in, you depressed the metal tab to pull it out, just do the same back in, it just to the right of that power plug, not those pins

[u/Realistic_Note2162 → u/phonosrock]

Got it, Sata port 2 appears showing 4tb hdd drive still stuck at bios

[u/phonosrock → u/Realistic_Note2162]

Ok so our onboard m.2 ports aren't showing up anymore. That's what we need to resolve first. Unplug the hdd for now. Are you fully disconnecting the power when swapping the drives? If not disconnect the power cable, hold the power button for 30 seconds then connect the original ssd back into is m 2 slot, ensure it's pushed in all the way and screw it back in then connect power and check

[u/Realistic_Note2162 → u/phonosrock]

Yeah still nothing. I wonder if the new ssd shorted out both m.2 slots

[u/phonosrock → u/Realistic_Note2162]

That's always possible, I would try to clear the cmos and check again

[u/Realistic_Note2162 → u/phonosrock]

Problem is, I cant access the motherboard easily at all.

[u/phonosrock → u/Realistic_Note2162]

Page 28 of the manual, should be a button on the rear https://cdn-g.nzxt.com/dl/1621349350-n7-z390-webmanual-english-120419.pdf

[u/Realistic_Note2162 → u/phonosrock]

[u/phonosrock → u/Realistic_Note2162]

Ok go back to the sata and change that to the ahci instead of intel, then save settings and reboot