Chosen Solution
Last night i fix a new RAM for my baby iMac. After i fixed, it worked successful and then i go to sleep. This morning i tried to switch on my iMac and it work smoothly. After 5 minutes, my iMac suddenly off. Someone can help me?
Take one issue at a time when trying to repair anything. Fix the known modification. Replace the original RAM and see if the problem persists. Remember you’re usually doing something when anything breaks but what you are doing may have nothing to do with the failure.