Normally when you startup a computer, the CD-ROM access light
flashes. If you have a real OEM Apple Drive, then it was built
without the indicator built in, so no help there, but it could be a
help with your new drive. The one thing that could cause this is
when you disconnected the power cable is that you broke a wire or
created an open between the wire and the crimp-on connector. This
is especially easy if you pulled on the wires to disconnect the power
plug. The way to check would be with a VOM and the power off, to
check for a circuit between the same connectors on two of the 4
connector power plugs.
>Hello,
>
>I've recently signed up for this list and I've been watching some
>interesting upgrade discussions. Now I've got a question that I'm
>hopeful you gurus can answer. I recently purchased a used 12X CD on
>eBay and was told by the seller the drive was in good operating
>condition. Well, I received the drive a couple days ago and
>subsequently installed it at SCSI#3 with the same configuration and
>cable hookups as the 4X drive I had removed. Note the 4X drive was my
>7500's original drive. When I powered the 7500 back on and checked
>Apple System Profiler, the 12X drive was not found on the SCSI chain and
>simply pushing the button to eject the disk tray resulted in nothing.
>The drive appeared to be receiving no power. Needless to say, I quit
>for the night.
>
>Tonight, I decided I'd reinstall the 4X CD to determine whether I had a
>bad 12X drive because that was the conclusion of a local Mac tech and
>one of the columnists for LowendMac. Much to my surprise, the same
>thing happened to the 4X drive after I reinstalled it. The disk tray
>would not eject and System Profiler couldn't find it. As far as I know
>this drive was working only a day ago. Anyway, I'm stumped and look
>forward to hearing whatever helpful suggestions any of you may have.
>
>Sincerely,
>Mark
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