1.) Is the correct System Enabler file installed? This is pretty much required for any Mac starting with System 7.x.x (I'm not sure which version it was, but beginning in 1992, Apple started issuing these files.) Without the enabler, the Mac can't even run certain versions of System 7. I'm not even sure which enabler number is the correct one; the System Software installer should be able to pick the right one out automatically.
2.) You could be having an extension issue. To speed things up, I'd recommend using a program called Conflict Catcher.
Quoted from Macworld's Mac Secrets, 5th Edition by David Pogue & Joseph Schorr:
Conflict Catcher is a startup-file manager. If you press the space bar as your
Mac starts up, you’re shown a list of every extension and control panel in
your Mac. At this pause in the Mac’s start-up sequence, you can switch
extensions on or off (by clicking); rearrange the loading order (by dragging);
view them sorted by type, name, or loading order; group them into mutually
required, or mutually incompatible, clusters; or group them into named
subsets. Conflict Catcher can actually show the names of your extension
icons as they load.
Best of all: if you’re having some mysterious glitch or crash, you click on CC’s
Conflict Test button. After a few restarts, CC triumphantly names the problem
extension and offers to turn it off for you. Conflict Catcher also offers the
Clean Install System Merge feature — after clean installing a new System
Folder, Conflict Catcher can reduce to only a few minutes the task of
bringing your customized fonts, sounds, control panels, preferences,
extensions, and Apple menu items into the new System Folder.
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I have access to a demo of version 8. This demo version expires a week after you first use it — long enough to get out of whatever extension conflict you’re currently suffering. (The clean install feature doesn't work in the demo version, however.) If you'd like a copy, send me a PM and we'll go from there.
3.) I would also recommend running Disk First Aid to help with any drive or partition issues. I have a copy that I can give to you, if you'd like. Same as above, send me a PM if interested.
73s de Phreakout. :rambo: