Why Restart My iMac
i start imac imac is on but after2 seconds agian off,why my imac has turn off after 2 seconds,please suggest me
Logic board is failing. Need to replace the logic board. If you are able to take apart, you can get a refurbished or pulled out logic board from a working units on eBay or Amazon kind of market places for less. This way you can save money. Hope it helps.