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apple reset

how to get past ?folder,reset

iBook, Mac OS X (10.4)

Posted on Dec 13, 2013 11:52 AM

Reply
1 reply

Dec 13, 2013 1:28 PM in response to john fellmer

It cannot find your hd.


Sometimes if volumes don't appear in Startup Manager (what you get when you hold down the Option key at startup), you need to reset the Mac's PRAM, NVRAM, and Open Firmware. Shut down the Mac, then power it up, and before the screen lights up, quickly hold down the Command, Option, P, and R keys, until the Mac has chimed twice more after the powerup chime.


Then, before the screen lights up, hold down Command-Option-O-F until the Open Firmware screen appears. Then enter these lines, pressing Return after each one:


reset-nvram

set-defaults

reset-all


"The reset-all command should restart your Mac. If so, you have successfully reset the Open Firmware settings."

http://support.apple.com/kb/TS1812?viewlocale=en_US


Should the fail...

Try taking the battery out for 10 minutes. Put battery back in. Cross fingers. Power the machine back on.


How to eject a cd from the internal cd drive:

eject cd


List of devices:

devalias


List of variables:

printenv


More than you ever wanted to know about open firmware

http://www.firmworks.com/QuickRef.html


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Resetting your Mac's PRAM and NVRAM

http://support.apple.com/kb/HT1379


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reset the PMU

http://mrjcd.com/junk/PMU.jpg

http://support.apple.com/kb/ht1939

apple reset

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