A relatively large number of users have reported an inability mount FireWire drives or see other FireWire devices after the update to Mac OS X 10.4.3. The issue seems model-indiscriminate. Generally, ...
Problems starting up after update -- try re-applying combo updater from separate drive If you are having problems starting up after applying the Mac OS X 10.4.7 (i.e. startup stalls at the grey screen ...