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Pete
Pete, Computer Engineer
Category: Mac
Satisfied Customers: 17394
Experience:  Over 16 years of computer experience, CISCO certified
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My iMac turned off all of a sudden and now just keeps

Customer Question

Hi my iMac turned off all of a sudden and now just keeps restarting in a loop
JA: How much experience do you have with this particular machine?
Customer: I've had it for around three years
JA: Have you installed any updates recently?
Customer: Nothing i can remember
JA: What troubleshooting have you tried?
Customer: I tried holding shift to start it in safe mode but it won't register
JA: Anything else you want the Mac expert to know before I connect you?
Customer: no thats it
Submitted: 9 months ago.
Category: Mac
Customer: replied 9 months ago.
I also had Adobe Indesign & Illustrator open at the time working with large files
Expert:  Pete replied 9 months ago.

Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.

Expert:  Pete replied 9 months ago.

If you cannot start by holding shift then the hard drive likely has a fault.

Can you try starting from a boot DVD?

Customer: replied 9 months ago.
Hi Pete, I don't have the install disc anymore... is there any other way?
Expert:  Pete replied 9 months ago.

You can borrow a recovery disc or USB device from anyone else with the same version of OS X, or create a recovery disc or USB device using their machine.