I had a usb drive not show up,so I changed cases with another and the drive is ok.
The bad external case's power cord would light up the light on the front of the case, but the drive wouldn't spin up. I got a new case off eBay, installed the drive with a new power cord. It spins up but doesn't show up, even in Disk Utility. I exchanged drives with another external case and the drive in the new case, that was running in the other case, spins up but doesn't show up either. The other drive, taken out of the new case and installed in the other working case, shows up fine. I've tried switching usb cables and every other thing I can think of to find the default, but can't. I tried the old power supply on the new case and it does the same thing it did with the old case. It lights the light on the front of the case but the drive doesn't spin. the new power supply plugged into the old case lights the front light and the drive spins up but isn't recognized. It's confusing to me and I'm tried of taking cases apart and testing. Any ideas as to what my situation could be? Also, can I use the usb ports on a cube that's sitting on my desk in target disk mode as a usb hub. In other-words can I hook usb drives to the cube and see them on my eMac that the cube is hooked to? By the way, the drive does show up in system profile. Go figure.
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