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The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004. It was discontinued in 2006 as part of the Intel switch first to developers then consumers.

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dp leopard g5 will not boot from super drive or allow return

trying to boot from supe rdrive..will not boot....and will not allow return to hard drive...have used all the key-stroke comb's I can think of....have zapped pram...have used reset button....when super drive comes up monitor displays lock on left of screen bar to its right and arrow pointing to rt.....then text asks for password which is obviously different from my own password........any suggestions before I heave this thing out the window????

Update (05/01/2017)

UPON DEPRESSING OPTION KEY-------WHITE SCREEN APPEARS W/LOCK ON LEFT---BAR IN CENTER---ARROW IN RECTANGLE ON RT'(POINTING RT). IF I DEPRESS KEYBOARD ARROWS' SCREEN GOES TO TEXT....ASKS IF I WISH TO CONTINUE BOOTING OR CANCEL....'WHEN I ENTER EITHER WAY....TEXT ASKS FOR PASSWORD....WHICH I DO NOT HAVE....

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What do you see when you start-up while holding DOWN the "option" key?

Update (05/01/2017)

Sounds like you have an "open firmware" password.

Read this... http://osxdaily.com/2015/01/28/forgot-ma... ....it may help.

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BLANK SCREEN..IF I RELEASE OPTION AND WAIT THE LOCK-BAR-AND ARROW APPEAR...THEN IF I USE ARROW OR SPACE BAR THEY DISAPPEAR AND TEXT APPEARS ASKING FOR PASSWORD---WHICH OF COURSE i DO NOT HAVE....NOT THE CORRECT ONE AT ANY RATE. IF I WAIT A FEW MINUTES THE DRIVE BEGINS TO ACCELERATE....SOMETIMES DRAMATICALLY...NOT ALLOWING ME TO TURN UNIT OFF...MUST UNPLUG IT.

さんによる

Sounds like you have an "open firmware" password.

Read this... http://osxdaily.com/2015/01/28/forgot-ma... ....it may help.

さんによる

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DEAN MCGUIRE さん、ありがとうございました!
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