Hi George,
This Forum is really the road less traveled. Not much traffic. Mackie has related forums and FAQ links. Why not ask them? Under 'contact' on the Mackie site. They used to be pretty cool with tech help. If you know how to re-initialize the system, give it a try. Nothing to loose. I had one piece of equipment that did pretty much the same thing. Turned out to be a dead internal battery. Lots of products have a certain key sequence at power-up that re-initializes. Do you still have the manual?
http://www.mackie.com/pdf/hdrpro_om.pdf
Is it even possible to re-install the OS if you can't access the HD? Is there a disc option anywhere, like for installs and upgrades? How about direct access to Mackie via internet for OS download? I don't own the machine, but that's really not a good message to get. Probably means a bad HD. There's got to be a way to re-install the OS, provided the HD is working. Unfortunately 5 years is about a lifetime for a continuously used drive.
Good luck, Paul
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WUDAYAKNOW.. For the first time in my life, I'm wrong again!!
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