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G4 OS 9.2 start up problems

by martini1 / January 26, 2004 11:08 PM PST

Hello all.

I'm somewhat new with MAC and I've got a problem with my G4 freezing up upon start up. I'm running system 9.2 although I also have OSX on the computer as well. I'm using 9.2 as my start up disc.

I recently added an internet software which seems to have created a problem and now it freezes up upon start up. How can I get to the desktop without freezing up so I can atleast change the start up disc? This will enable me to use the other applications till I can rid myself of the current internet software I recently installed and find an alternative.

Thanks.

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Re:G4 OS 9.2 start up problems
by R. Proffitt Forum moderator / January 27, 2004 12:27 AM PST

I don't fix many Macs, so I can remember is to insert an OS 9 cd in order to boot up and change the Startup control panel prefrences..

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Re:G4 OS 9.2 start up problems
by pepsaholic / February 11, 2004 1:36 AM PST

Without knowing what you've tried, try these: (though first, remove any unnecessary USB or FireWire devices... that means only have your keyboard and mouse connected.)

OptionA) Reboot/reset/turn-on and hold down the shift key. If the machine is trying to boot into OS-9, then this will disable the extensions. Keep the shift key depressed until the screen says something to the order of "Starting up, Extensions Off". Wait for the OS to finish booting and go to the control panel to change startup.

OptionB) Reboot/reset/turn-on the computer. Immediately after the startup "chime", hold down the [Command]+[Option]+[P]+[R] keys, and KEEP THEM HELD DOWN until the chime tolls 3 more times. (Depending on the amount of RAM and other options, this could take a while, but shouldn't be more than a minute or so.) You have now reset your "P-RAM" and depending on the specific model, the computer may prefer OS-X as it's Parameter default.

OptionC) More dangerous: Turn off the computer and remove the power cord(s) from the back. Open up the side panel and look at the mother board. You're looking for a small (1/4in / 5mm) silver, square component with a circular button on it.
READ CAREFULLY!
Push this button and RELEASE IMMEDIATELY! DO NOT hold the button down! (Holding the button down for more than half of a second WILL fry your motherboard.)
You have now Reset the motherboard to factory defaults, again, hopefully it will prefer OS-X to OS-9.

OptionD) Safest, but requires a purchase. Pick up Norton SystemWorks for Mac. The CD is bootable, and will let you do disk maintainance (data errors, optimization, etc.) AND has the same "Startup-disk" controls built in.
END

Once you have booted into OS-X, go to the "Classic" control panel, and in the Advanced tab, click "Rebuild Desktop". This is the same as holding the [Command]+[Option] keys at OS-9 startup. (If you haven't been rebuilding your desktop, this could account for at least part of the problem you're experiencing.

I would suggest migrating to OS-X anyway, and run any OS-9 applications in classic mode. (Yes, I too had my doubts, but I have seen the light.)

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Re:G4 OS 9.2 start up problems
by glpoppy / April 19, 2004 3:14 AM PDT

When you start up, hpld down the "shift key'

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Re:Re:G4 OS 9.2 start up problems
by kcourt / June 7, 2004 9:52 AM PDT

If you have a start-up disc, insert into the CD tray, as you turn on the machine, hold down the letter c until it is finished booting. The OS on the CD should come up as the start-up system.

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Re: G4 OS 9.2 start up problems
by berniebutler / June 18, 2004 5:49 PM PDT

The easiest way to get around this problem is as follows:

From shutdown press and continue to hold the option key -
then press power on key (keep option key pressed)

Your screen will then present you with option to start up using OS9, OSX, System CD (providing it is in the cd drive) and the option to startup using a system on any connected hard drive (preffereably one that has disk repair tools on)

You can also startup in OS9 holding down the shift key - this switches off all extensions - but you need to know what you are looking for and where if you are to solve your crashing on start-up.

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