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I have a 2005 G5. When turned on it chimes and runs for a…

Customer Question
I have a 2005...

I have a 2005 G5. When turned on it chimes and runs for a bit then starts the fan. Ive tried replacing the battery inside, removing and reinstalling the memory, removing the vid card and restarting, resetting the P ram, and nothing changes.

Technician's Assistant: How much experience do you have with this particular machine?

Used it for five years...bought it new

Technician's Assistant: Have you installed any updates recently?

Maybe

Technician's Assistant: What troubleshooting have you tried?

It seemed to stop working after a storm. but its plugged into a surge protector ....battery backup

Technician's Assistant: Anything else you want the Mac expert to know before I connect you?

?

Technician's Assistant: What confuses you?

It won't start

Submitted: 1 year ago.Category: Mac
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Answered in 10 minutes by:
12/16/2016
Mac Support Specialist: Mike, Mac Medic replied 1 year ago
Mike
Mike, Mac Medic
Category: Mac
Satisfied Customers: 9,012
Experience: Over 20 years IT experience with Apple computers in publishing, marketing and design.
Verified

Hi, welcome to justanswer.com! My name is Mike.

I am going over your question and I will be with you shortly.

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Customer reply replied 1 year ago
Okay
Mac Support Specialist: Mike, Mac Medic replied 1 year ago

IS that a tower GS or an iMac?

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Customer reply replied 1 year ago
G5
Customer reply replied 1 year ago
Tower
Mac Support Specialist: Mike, Mac Medic replied 1 year ago

YEs but is it a Tower or an iMAc

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Mac Support Specialist: Mike, Mac Medic replied 1 year ago

OK

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Customer reply replied 1 year ago
Big and silver. G5 tower. Not an imac
Mac Support Specialist: Mike, Mac Medic replied 1 year ago

Try Safe Boot first: restart and hold the Shift key until you see the Apple logo. If you can't restart from the Apple menu hold the power button for 10 seonds to shut down, then start it up and hold the Shift key... This will activate Safe boot and it will check the drive for errors among other things. It may take longer to boot and you may see a progress bar during part of the process. If it starts up OK, login then restart the normal way from the Apple Menu. Let me know after.

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Customer reply replied 1 year ago
I held the shift key down. It shut down after about twenty seconds.
Mac Support Specialist: Mike, Mac Medic replied 1 year ago

OK, so the next thing to try is to reset NVRAM. Holding down cmd-opt-O-F at boot until you get the open firmware command line screen, issue the following two commands

reset-nvram

reset-all

then see what happens with the reboot that reset-all commands.

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Customer reply replied 1 year ago
I start up, see the apple, see the,spinning wheel, nothing happens until the overheat fan kicks in. I can either shut it off by holding the start key or it shuts itself off after 30 second
Mac Support Specialist: Mike, Mac Medic replied 1 year ago

Hit Return after each command

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Customer reply replied 1 year ago
Holding down the option key, the Apple / command key, the letter O and the letter F. Nothing except a blank screen
Customer reply replied 1 year ago
Tried again, blank screen...nada
Mac Support Specialist: Mike, Mac Medic replied 1 year ago

OK disconnect the hard drive to make sure that is not that and put in the install disk hold the letter C on boot.

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Customer reply replied 1 year ago
Gonna take me a while to find that....I've move recently. How do I disconnect the HD? Can we continue this in a few hours?
Mac Support Specialist: Mike, Mac Medic replied 1 year ago
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Customer reply replied 1 year ago
Ok ... You working after 4 est
Mac Support Specialist: Mike, Mac Medic replied 1 year ago

I should be available

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Mac Support Specialist: Mike, Mac Medic replied 1 year ago

Do you still need help?

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Mac Support Specialist: Mike, Mac Medic replied 1 year ago

Do you need help or not?

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