Mac Hardware forum


Installing OS X on imac with no current OS

by bri_c / February 24, 2013 4:57 AM PST

i am new to mac and recieved a cheap imac g5 pre isight 1.8 ghz and 1Gb ram with a broken hard drive. I replaced it and borrowed some os x ' install discs' tiger 10.4.3, leopard 10.5.6, and panther 10.3.1 the tiger and leopard discs just get ejected and the panther one gets the apple logo then a no entry sign. What am i doing wrong? I have ended up installing linux yellow dog which was installed with no trouble whatsoever but it doesn't run smooth enough for my liking i would like os x . Someone suggested i had update discs but they are huge over 3 Gb thats alot of updates if thats what they are and if so what os x number do i need. Any info would be appreciated i do not want to buy an os x if i get the same problems as my borrowed ones.

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All Answers

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Please get the real discs.
by R. Proffitt Forum moderator / February 24, 2013 5:04 AM PST
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OS X 10.4 will run comfortably on that G5
by mrmacfixit Forum moderator / February 24, 2013 8:12 AM PST

and with the RAM maxed out would run 10.5

I suspect the discs you have are grey ones. Those are specifically built for a particular machine and will not work in any other machine.

The discs you need are black. Retail Mac OS X installation disks.

Bear in mind that the G5 is notorious for have bad capacitors. Check inside for bulging capacitors.
Google how to open the case, it's very easy

Also read the link provided by Bob


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