Thanks to all who have provided advice about my problem with my daughters PM 4400.
A recap, with some additional info.
The machine "died" while running but unattended. Daughter left the room in the middle of typing, came back, machine dead. When I got home from work, I was able to restart it no problem. However, next day it died again, and has stayed that way.
Current situation: turn it on, get a chime, some disk activity, then
silence. HD does NOT click repeatedly. Screen uniform grey. I don't get a
happy Mac or sad Mac or any Mac.
Things I have done:
1) Replaced the battery, twice. No change.
2) pressed CUDA switch with machine off, machine on. Held up to 30 sec. No change.
3) Reseated RAM. No change.
4) Machine has 144MB of RAM. in 3 slots. Tried booting with only slot 1 filled (this has to be the single sided variety, I'm told). No change. Tried booting with slot 1 & 2 filled. These are double sided sticks. No change. All 3 filled, no change.
5) Started up while zapping the PRAM. No change.
6) Tried to boot from TechTool CD, which is bootable. The CD spins up, runs for awile, then stops. Tray opens and a floppy icon with a question mark appears on the screen. The question mark only stays for a few seconds, then disappears. Pushing in tray causes the CD to spin up again, but nothing more happens. Note that I can move the cursor with the mouse, and the machine accepts a restart command from the keyboard.
7), same as 6, but with my OS 9.1 CD. No change.
I still have to try the harddrive in another machine. BTW, the 4400 uses
IDE drives, not SCSI.
I have a USB PCI card installed to service a printer. Should I take this out?
Any other suggestions/observations gratefully accepted.
You seem to have tried just about everything. Might as well yank the USB card and try again. Since the machine died on it's own like that my first guess would be a flakey power supply. But without test parts it's hard to chase down the cause.
Something else you can try is a hard reset by unplugging the computer, removing the PRAM battery, pushing the power button a few times, and letting it sit overnight.
-RPM
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