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Q: I recently got an IMacSnow(G4) and installed a larger HD. When I try to load 10.4 it gives me a message: "You must upd ... I recently got an IMacSnow(G4) and installed a larger HD. When I try to load 10.4 it gives me a message: "You must update your computer's firmware before installing MacOS". Never saw this one before. What gives? more
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Feb 11, 2013 2:22 PM in response to Radiorolyby BDAqua,Hi, is this a G4 Lampshade iMac, or a G3 Snow iMac?
http://www.everymac.com/systems/apple/imac/specs/imac_600_graphite.html
http://en.wikipedia.org/wiki/IMac_G4
Anyway, you'll need OS9 installed to do the Firmware install...
http://support.apple.com/kb/DL1283