Backup

partition that I can use to backup my data? ...

Does this drive have an automatic backup program? ...

It is possible, however unlikely, that the NetInfo database is corrupt in some way. Resetting the password or simply restoring from a backup should fix things. ...

I don't have any backup drive. ...

Wow, thanks a lot guys. First of all I don't fear data loss. I have a backup and have my original disks running in the 2,7 Ghz now - so far so good. I tried a few things with the 2 Ghz: I removed everything including the harddisk put the first two ram from the 2,7 in and tried to start and got the chime. Then I put a freshly installed system disk from my 2,7 into the...

Good advice, but I think the archive and install is just unnecessary at will likely die right in the middle leaving them with a fubared system on top of all the issues they are having now. Booting to a installer DVD or better yet an external system is good enough to rule out a bad kext. Its a good possibility one of the processors has gone south or even the logic board. The...

The black screen telling you to shut down is the sign of a kernel panic. So if you are getting the startup chime, that's telling you (in theory) that the system has past the hardware (aka Power On Self Test, or POST). My guess would be one of 2 things. First, take 2 RAM chips out of your 2.7 since those are known to work and place them in the 1,1 and 1,2 slots of your dual...

left them on my backup drive, just accessed them from a USB connection. ...

as if I have more to backup than 51 gigs. ...

So I signed my life away for 2 years in December 2008 and got an iPhone 3G. All was well for a few months, then the ringer switch fell off -- not a problem, the phone was replaced on-the-spot at the Apple Store here in San Antonio (La Cantera). I took the new phone home and restored from a backup. All is well. I named it "Icabod." I thought it was cute. I manage several...