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Оригинальный сообщение: Dan ,


I would get a [https://www.startech.com/HDD/Adapters/USB-3-SATA-adapter-cable-with-UASP~USB3S2SAT3CB|SATA to USB adapter cable] to see if the drive is accessible externally, if it is then you know the internal data cable is bad and will need to be replaced.

The Samsung 860 EVO drive has no issues running in SATA II (3.0 Gb/s) systems like yours.

'''But, you maybe facing another issue here!''' The older installers have a certificate which may have expired on you. Get a fresh one from here [https://support.apple.com/en-us/HT206886|How to upgrade to OS X El Capitan] jump down to Step 4 locate the blue URL link '''''Download OS X El Capitan''''' to get the fresh installer.

Here’s a bit more on the certificate issue [https://appleinsider.com/articles/19/10/24/if-youve-got-an-old-macos-install-image-it-will-probably-stop-working-today|If you've got an old macOS install image, it will probably stop working today]