I swapped out my HDD for an SSD in my Win 8.1 Lenovo Y480, replacing the HDD in the optical drive slot using an HDD Caddy. The system runs fine. I still see the original copy of the Windows System disk that sits on the HDD in Windows listed as drive I:, in addition to the cloned C: drive which is booting from the SSD. I haven't deleted the old copy of the System Drive from the HDD yet, in case of errors &c. as I'm still trying the system.
However, when I plug in external USB HDDs now, none of them register with Windows. They are visible to Device Manager and Disk Manager, but they are not being assigned drive letters. They work fine on my mac, but not on this PC.
I get the message at startup saying "Check cable connections" or something. I will reboot and copy that text into another post below.
I'm also going to check the BIOS options, in case I changed some of those options when doing the change over. I can't see the option to save this post until I come back, so I'll just have to append the results in the next post down.
But has anyone encounted this problem, and do you have any suggestions? Thanks!