My computer is a 2008 iMac running El Capitan.
I have installed an Iocrest JMB582 dual Sata card in the mini PCI-E connector (in place of the WiFi card) . At power up drive and directories and files can be seen briefly but drive then becomes disconnected and only seen after powering down and restarting. After powering off the drive by itself and then on again the blue LED, for the drive (on the JMB582) illuminates but nothing else happens. Does any one else have this issue or any advice on this issue?
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