New SSD old HDD quits working

lll0rang3lll

Prominent
Jul 26, 2017
5
0
520
Howdy guys and gals,

I really need some help, I'm about losing it on this weird issue that makes no sense. Ok so I bought a new Samsung 960 Pro 512gb to put in my machine. Prior to installing it my setup with two SATA HDDs and one SATA SSD worked fine. After installing the Samsung M.2 I boot my system and all appears good... but I later noticed one of my HDDs isn't detected in windows. It's not in explorer or disk manager. So I shut down to see if BIOS sees it and it does not. The drive spins though so I know it has power.

Steps taken so far:[strike][/strike]


    First I tried a spare sata cable to no avail.


    I tried disconnecting a working HDD and using that SATA cable which worked, but I still needed to reconnect the second HDD


  • I used a brand new sata cable on the second drive and with all cables plugged in booted to BIOS. Bios doesn't see the second connected (known working) HDD with the new cable.

  • Tried different ports... no dice
So I can get either HDD working and booted into windows but not at the same time. Removing the new Samsung M.2 fixes the issue though. Every drive and cable and port works as long as I don't have all connected at the same time... Is there some kind of limitation I'm unaware of? Is there a BIOS setting I'm missing? Any help is greatly appreciated.

Specs:
Asus B350+ MOBO
Ryzen 7 1700 CPU
Geforce GTX 1800 GPU
EVGA 600BQ PSU
Sandisk SSD 250Gb (boot drive before M.2 install)
Samsung 960 Pro 512Gb (newest SSD)
Seagate 1Tb HDD
WD 3Tb HDD
Corsair LPX Dominator 3000Mhz 32Gb
 
Solution
That 960 Pro almost certainly turns off one or more SATA ports.
Look in your user manual to see if this is the case, and which ones.