It may be overheating. Give it a good cleaning. Also repair permissions on your Mac.
Click the Apple logo top left of the screen and from the drop down menu click Shut Down.
To cycle through open windows on an iMac, you can use the shortcut Command (⌘) + Tab to switch between applications. If you want to close or turn off a specific window, you can press Command (⌘) + W. To exit an application completely, use Command (⌘) + Q. If you want to turn off your iMac, go to the Apple menu and select "Shut Down."
try the cam shaft sensor
You just shut down computer
Yes, sometimes they'll randomly shut off. It's a huge problem. Most of the time, they won't turn back on for a while. You can find tons of cases of this happening.
Nickelodeon has not shut down.
quizilla.com has not shut down.
Shut is an irregular verb the past is the same shut, so the past of shut downis the same shut down.They shut down the factory at 6:00pm everyday -- present.They shut down the factory late yesterday. -- past.Shut downis a phrasal verb. It has two parts shut and down but they act as a single word.
what can be reignited after they are shut down.
Insert the DVD and then shut you Mac down. Push the power button while holding down the C key. If for some reason it does not boot from the DVD then hold down the Option key while starting the computer. That will bring up the Startup Manager where you can choose to boot from the DVD.
No. It has never shut down, and probably never will shut down.
what causes intestinal shut down?