MacBook pro 2012 will not identify new SSD

I just bought a macbook pro of 2012 and have used it for two weeks without flaws with my 250 GB samsung SSD drive. Now I tried to update the size and bought myself a Corsair Force THE 480 GB to use as the primary drive. I plugged it in, but the mac does not recognize the drive. So I formatted with another mac and tried again. Still no luck. Tried the old drive. No luck with that one or the other. So I knew the data cable from being broken. But when I plug a normal HARD disk it recognizes when in the main location. So the question is, what is the problem with the mac? I don't understand.

And help will be greatly appreciated

happyandconfused wrote:

I plug a regular HDD when it recognizes in the main location.

What is a HDD or SSD Samsung rotation?

Have you plugged the SSD (both) external via USB and will the boot the MBP?

When you have the SSD inside, can I none, one or two boot the MBP?

Ciao.

Tags: Notebooks

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