Mac OS 10.5 has encountered a serious error

Asked By 40 points N/A Posted on -
qa-featured

Hello People,

My machine running with Mac OS 10.5 has encountered a serious error. It has thrown an error message as under.

I have restarted my machine but no result. Have you any idea why this error message show?

Thanks.

Sorry, a system error occurred.

unimplemented trap

To temporarily turn off extensions, restart and hold down the shift key.

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Best Answer by Baker Mich
Answered By 50 points N/A #145299

Mac OS 10.5 has encountered a serious error

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This is an extension trouble. Activate all the extensions once you boot with extensions off, except for those that are NOT important enough to be turned on (including all 3rd-party extensions for installed programs, etc.). Restart and see what happens.

Best Answer
Best Answer
Answered By 0 points N/A #194851

Mac OS 10.5 has encountered a serious error

qa-featured

Hi Jonathoon,

You need to set up the Mac's PRAM, NVRAM, and Open Firmware.

Shut down Mac, then push the power button on. Before screen lights up, promptly hold down the Command, Option, P, and R keys, until the system has chimed twice more after the start. Next , before the screen lights up, press down Command-Option-O-F until the Open Firmware screen prompts. Afterwards enter these lines, pressing Return after each one:

reset-nvram
set-defaults
reset-all

————

List of devices:
devalias

List of variables
printenv

mac-boot

If you act late while doing this, shutdown your system, then hold down the option key. This will help appear the startup manager. Start up your machine. Click on the dvd image. Click on the arrow icon.

Hope this helps.

Thanks Baker

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