At 21:49pm -0800 on 12/9/03, you (Robert McAllister), wrote: >> Robert Dowgwillo wrote: >> 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.
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