New SSD shows up when as external USB drive but not if it is inside as internal drive

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NepBR

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May 21, 2017
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so I bought a new ssd drive... it shows (and I formatted and it works) as an external drive (it comes with the external drive box via USB), but once I put the ssd inside the pc and plug it to the sata as one of my hard drives it wont show anywhere, not in bios, not in disk management, not in device manager... I have 4 other hard drives inside my pc 3 HDD and another ssd (windows), anyone know why that is? why does it show and works fine as an external usb drive but not if it is plugged to the motherboard

when I connected it via USB it shows as disk 4 and I was able to use just fine
but once I put it inside my computer plugged in to the motherboard..sata etc...and yes power etc
it doesn't show anywhere

I want this drive to be inside the pc because I will run World of Warcraft from it and is I use it as an USB external drive it won't run as well...

any ideas why?

thank you
 
Solution
Some MBs come with extra SATA ports tied to a different onboard controller.
Try replacing one of your other 3 HDs temporarily (not the boot drive, of course). Or you could check to see whether the second onboard controller (if you have one) is enabled in BIOS.

amigafan

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Mar 19, 2011
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Additional idea to try: perhaps the additional SATA controller or port is disabled in BIOS, you can check for that or simply reset the BIOS to defaults which should enable all the ports & controllers.
 
Some MBs come with extra SATA ports tied to a different onboard controller.
Try replacing one of your other 3 HDs temporarily (not the boot drive, of course). Or you could check to see whether the second onboard controller (if you have one) is enabled in BIOS.
 
Solution

NepBR

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May 21, 2017
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510
you guys are awesome... so it is now working
here is what i did...
with everything you guys said I didn't want to try one thing at a time cause I am too tired =)
so I did 3 things at the same time...
- changed the sata cable for another one
- changed the power supply plug for another one down the same ps cable
- changes sata port....swapped with hard drives around...

I think it was the sata cable...but since I changed all 3 things at once and it worked I don't know exactly which one it was.
pretty sure was the cable tho

thank you guys so much, your replies helped me try stuff I hadn't done yet and it is now working as it should
thank you so much!
 
Jul 22, 2023
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Similar situation. I wanted to install a third 2.5" SSD drive while using an Asus B550 mobo with two nvme drives already installed. Doing this disables SATA 5 & 6 ports, which also happen to be the easiest ones to access if you are using a large GPU. Was able to resolve by connecting to one of the first four SATA ports. Not sure if this is similar on other mobos, but something to check.
 
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