At 4:35 AM -0600 3/14/2003, Guy Crook wrote:
>I have a pb3400c, 240mhz, 80m ram, 6 partitions on a 12g HD with OS9.1.
>
>Was running fine until the last time I shut it down, I got a message that my
>start up disk did not have a system folder and if I continued the shut down
>I might not be able to restart. I tried to open some appls but they would
>not open because they couldn't find the extensions and the System folder was
>not on the disk.
>
>I figured the directory got messed up and I would be able to boot from a CD
>and fix the disk or reload the system.
>WRONG. Have tried numerous CDs. They load the extensions, get a desktop with
>only the CD icon in top RH corner, then the system freezes with the pointer
>changing into a clock.
>The TechTool 3 Pro loads with the TT icon in top RH corner and the Apple,
>File, Edit, View, Special, & Help across the top. then it freeze like the
>other CDs. The disks do not show up on the desktop.
>
>Tried zapping the P-Ram, loading with extensions off and it made no
>difference.
>
>Anyone have any idea what happened and how to fix it?


It sounds like Finder (from the CD) is choking when it tries to mount 
the harddisk which does indicate a potentially severe problem.  Try 
using DOCS (Delete-Option-Command-Shift) to start up from the CD. 
This should keep the HD from being mounted.  Since you zapped the 
PRAM it may not work.  DOCS avoids mounting and booting the start up 
disk as specified in PRAM.  Since it's been zapped it will depend on 
what if any default is.  Assuming it does work try updating the disk 
driver on the HD, it's possible this got corrupted.   If that doesn't 
work then try whatever disk tools you have.

If DOCS doesn't work it gets more difficult.  Normally what I would 
do is to unplug the power cable from a problematic drive, boot and 
then power up the drive but that isn't possible with a 2.5" drive, 
the power and data are on a single cable.    You might need to get an 
adapter that lets you plug the 2.5" drive into cabling for a 3.5" 
drive which would let you unplug the power cable.
-- 
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

"I'm a designated driver on the Information Super Highway"

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