20" 2008 iMac keeps shutting down on its own

HE15MAN

macrumors 6502a

Original poster

• Oct 4, 2009

• #1

This has happened about 6-7 times now in the last two weeks. Ran a quick and extended Apple hardware test on it and both came back fine. Also, changed the power outlet it was plugged into and still is happening randomly.

Any ideas?

 

Hellhammer

Moderator emeritus

• Oct 4, 2009

• #2

Sounds like a PSU issue. If you're under warranty, call to Apple

 

HE15MAN

macrumors 6502a

Original poster

• Oct 4, 2009

• #3

PSU meaning?

 

R

richprice79

macrumors member

• Oct 4, 2009

• #4

Wirelessly posted (iPhone : Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7C144 Safari/528.16)

Power supply unit my 2006 iMac started this a few weeks ago as well shortly after I installed
snow leopard. It hasn't done it in days though

 

T

txhockey9404

macrumors 6502a

• Oct 4, 2009

• #5

I had a similar problem with a 2007 Aluminum 20" iMac a year ago. Here, you may want to search a bit more before posting a new thread.