Can't boot off 10.4.3 DVD

P

peterv

Registered
Greetings,

PMAC G5
OS = 10.4.5
Boot Rom = 5.1.4P6

I'm unable to boot off of the DVD as mentioned ion the subject. I'm also unabel to use any of the keyboard shortcuts on boot:

1) Press Command-V during startup does nothing
2) Press Command-S during startup does nothing
3) I can't press the 'options' key to give me a list of boot devices

In all cases, the system just boot to the login screen....

I've tried a different keyboard, and different USB port with no change in result...help!
 
Is this the original DVD? (not a burned backup or whatever?) Does the DVD show up on the desktop (and mount)? Can you use "Startup Disk" to select the DVD?
 
Yes, This is the original DVD, not a burned copy....It also mounts and is readable when I log in....

Preferably, I'd like to just log in single user or safe mode and remove qa cronjob entry I had in for root that seems to kill the Netinfo DB...Otherwise, if unsuccessful I'd just do a re0-install, but I can;t get the thing to boot from the DVD....

Thx!
 
Well: _Can_ you login in to single user mode? For that you don't need the DVD, you know...
 
True, and, actually, trying to boot into Single-user mode on the Mac OS X Install DVD won't work -- since the Mac OS X DVD isn't a fully bootable operating system, there wouldn't even be a single-user mode! ;)
 
Yeah, I can't do either....Boot off DVD or boot into single user...None of the keyboard shortcuts seem to work...As in the original post, I can't even get a verbose boot.....There is no other USB device/controller installed, only keyborad and mouse....
 
When you boot the computer, hold down the ALT or Option key. You should see all the bootable systems including the DVDs.

Do you have extra RAM installed on your Mac? Sometimes some added RAM give no other errors or problems than making you unable to boot to install DVD - so if there is any extra RAM, it could be worthwhile to move those for the trying.
 
I tried that as well, and the boot process bypasses it. It would also seem that I do not have a firmware password set, cuz I don't get prompted for a password when holding down the option key while booting....
 
Yep that would seem to be tha cast, almost like it's having trouble init'ing the USB until after booting when the keyboard seem sfully functional. Since my netinfo DB is totally hosed, I can't login at all. I did unplug the HD, and the system booted off the DVD fine, but alas couldn;t do anything to the system since there was no HD :confused:
 
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