Why does my iMac display keep shutting off? Computer still running in the background. I've tried unplugging and restarting, to no avail.
Why does my iMac display keep shutting off? Computer still running in the background. I've tried unplugging and restarting, to no avail. The computer is well out of warranty - about 7-8 years old, running 10.6.8
Checked.... the settings had not been inadvertently changed, but I did move the scroll and reset them back to the original. Hasn't shut off again.... yet. Will re-post with follow-up one way or the other. Thanks.
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My 27" iMac's display goes to sleep after a few min, and you can still hear it running in the back ground. I can't hold the button on the back to shut it off. I have to unplug it for a while to get it to restart.
Well, at less than one year old it is under warranty (and hopefully you have Apple care too).
You should take it to your Apple Store and have it examined within the guarantee period.
The problem, may not be that serious, but that is what a warranty is for. It is also why you should take out the insurance of Apple Care. -
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I doubt that anyone here can answer that question with any validity...
That being said, try to reset the device:
*Device reset*
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-thanksMore experience leads me to believe the problem is with the new iMac. If I get the network going by turning AirPort Extreme power off, then on, I see a good signal at my iMac. Experience shows the network drops off after several hours. But yesterday I turned the iMac off, and the network remainded up (I could see it on my iPhone and iPad) throughout the night. That's the first time that has happened since I got the new iMac. Never had this issue with the old machine. I transferred all file to the new machine from a Time Machine backup that was up-to-date. Am working with Apple support. They had me do a re-boot of the AirPort and will call back tomorrow AM to learn it did not solve the problem, but turning off the iMac does. Darn.
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This is something you should log. Whenever your machine shuts off randomly, make a note of the time and what you were doing on your machine at the time. You may find that the shut downs aren't random at all. I had a similar problem with "random" shutdowns, and discovered that there was a power supply issue.
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Hi, I had the same problem googled the problem & it said to make sure ear piece is in as far as possible , make sure no silver is showing on the jack, check out ifixit.com. mine now working ok.
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Hi av2557 and welcome to Apple Support Communities,
First stop using that battery and stop charging it!
Read this:
http://www.tekrevue.com/swollen-battery/
There was a recall of these batteries but that has ended. -
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Try a PRAM reset:
http://web.archive.org/web/20140711222006/http://support.apple.com/kb/ht1379
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For info about memory pressure:
http://support.apple.com/kb/HT5890
OS X Mavericks: If your Mac runs slowly?
http://support.apple.com/kb/PH13895
Startup in Safe Mode
http://support.apple.com/kb/PH14204
Repair Disk
Steps 1 through 7
http://support.apple.com/kb/PH5836
Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
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After about one half hour of use my new iMac screen switches off / goes black.
The screen can be switched on by pressing the power button on the back on the machine a few times. It remains lit for about 20 seconds. This can comntinue for about half an hour when it stops switching off or when I give up.
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