Frozen screen on imac 20"

hello,
i installed diablo2 on my comp yesterday, it worked fine for me. a lil jerky when in a crowd of monsters. anyhow my friend was playing while i left the room. when i came back he said the comp froze when he tried to save and exit diablo2. i tried pushing different buttons to turn off the comp but only managed to sleep it. i finally had to physically pull the plug from the power outlet. after it restarted it seems fine. is there a way to power down a frozen imac without pulling the power cord out? im sure its bad for the comp. thanks for any help
jeff

Hello,
The following article summarizes all the options you have available to try if that happens again:
http://docs.info.apple.com/article.html?artnum=107199
There are many ways out of frozen programs, and several things you can try to shut it down safely.
I hope this helps.

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IMac 27" frozen screen

just can not identify in what situations, but when my Mac has a frozen screen, I have no other alternative but to push the off button. The most ironic thing is that, clearly the internet connection keeps. I know this because I'm usually listening to online radio. When it occurs, I can not change my dashboard and also can not switch to another application because I can not use the keyboard and the mouse click does not work.
I am currently using Mac OS X Yosemite, but the problem has persisted for several other versions of the system.
I

I have exactly the same problem with a my 27" iMac of exactly the same vintage and configuration. It freezes this way anywhere between once a day and once a week.
I also see an additional variation of this crash, where when I wake up the machine from sleep, the backlight comes on, but no image is drawn. It glows gray. In the form of the crash that Helton reports, the cursor moves with the mouse, but nothing responds to clicks. I've also seen where streaming (and I believe locally stored iTunes) continue) to play. I am not sure whether the machine remains visible on the network.
I have never used any anti-virus on this machine. In a desperate attempt to isolate the problem I have done the following:
Fresh clean install of Mavericks onto a new, external Firewire 800 drive
After the install, I only re-installed the apps I use frequently: iTunes, Aperture, Chrome, Adobe Flash and Microsoft Remote Desktop, HP printer driver, TextWrangler. That's it.
Replaced 3rd-party memory I had installed with the original factory installed 2x 2GB DIMMs
Blown out the bottom vents and the circular vent in back with canned air
Unplugged the external DVI monitor I was using
Done the usual setting resets via the startup
Ran the built-in memory checker at startup
Ran checks on the harddrives for errors, permission problems, etc...
Wiped the internal drive clean, and did a fresh install on that
The crashes still occur.
The system does not appear to be hotter than normal. I used to have a widget that monitors temps (but doesn't change fan speeds).
This system has the Seagate 1TB harddrive that was eligible for a recall, but I didn't do it. The drive has never reported any SMART errors.
Since you are still seeing crashes after updating to Yosemite, I'm not sure what to try next, myself. I've considered pulling it apart to make sure there is no dust in the fans. It doesn't seem to be overheating, but despite the sensors, there doesn't seem to be a way to record a regular temperature history to see what the temps were like at the moment of the freeze.
Of course, it's out of warranty. It's five years old, but it's plenty fast enough for me. The screen is still gorgeous. If it weren't for this, I'd use it for at least another two years. I was thinking of getting a MacMini to plug into it and use the iMac as a screen, but the new MacMinis are dual-core. It wouldn't be a nice leap in performance.

1st gen ipod nano with a frozen screen no longer recognized by computer

I have an ipod nano (1st gen) with a frozen screen that is no longer recognized by any computer. I had just barely downloaded a new audio book onto it before ejecting from itunes and trying to play it when it froze. Since then I have tried updating my itunes, plugging it into a second computer, and turning it off by holding the pause button, but nothing seems to work. Suggestions? Or, has it just reached the end of its lifespan?

Hi caitt,
I don't know if "what Apple said to do" means that you tried the 5 R's, but that's a good start:
The 5 R's
From there, try this:
iPod missing in "My Computer" or in iTunes on Windows
And this...
iPod won't turn on
Good luck,
maz

Problem with my iPod touch: Frozen screen, unable to access anything as slider does not work, will not accept a full restore. Apple Store advised that it is a 'hardware' problem and I could trade-in!

I am a relatively 'new' user. Touch was a gift, I used it in a simplistic way - listened to music took a few photos, added a few calendar events. After a year I then decided to be more proactive and found a few free apps (Solitaire) - then had a the frozen screen problem which I though was connected to low battery, but it wasn't. I recharged it, still could not access, then tried a full restore and got an error message. Took it to a Genius Bar and was told it was a hardware problem and as it is out of warranty I could trade in or just buy a different product. As this is my first Apple product is this usual? Do Apple products have a very short shelf life - I anticipated that it would last me longer than a year! Has anyone else had this problem? Was it able to be resolved? Or is it worth trying to get it repaired - and if so who can do it - Apple Store did not offer that to me as an option?

Sure sounds like a hardware problem. It happens some times. The iPod is just an electrical device.
Apple will exchange it for a refurbished one for this price. Apple does not repair your iPod.
Apple - Support - iPod - Repair pricing
A third-party place like the following maybe less expensive. Google for more places.
iPhone Repair, Service & Parts: iPod Touch, iPad, MacBook Pro Screens

Ipod 4 is displaying blue frozen screen and black screen with apple logo. I try to turn power off but as soon as it goes out it automatically reboots. Plugged it into the usb port on my mac and it doesnt do anything. It doesnt appear in Itunes. Help?

ipod 4 is displaying blue frozen screen and black screen with apple logo. I try to turn power off but as soon as it goes out it automatically reboots. Plugged it into the usb port on my mac and it doesnt do anything. It doesnt appear in Itunes. Help?

Let the battery fully darain. After charging for an least an hour try a reset and restore. Use Recovery mode if necessary.
If not successful, then time for an appointment at the Genius Bar of an Apple store.

MacBook Pro Hard Disk Crashed after Frozen Screen

Hi
Very unpleasant experience with my first MacBook. My MacBook Pro Book 13'' (late 2010 model) screen froze on start up. Realised that the battery was low and plugged the power adapter in, and let the frozen screen continue hoping for it to start in a while, only to realise that the entire laptop heated up significantly. I switchd the laptop off and let it simply recharge.
No luck on restarting after laptop was fully charged despite several attempts and following all instructions on Apple website, including SMC reset. I took the laptop down to the store and the Genius Bar team informed me that the hard disk had corrupted and they could not retrieve any data.
Wondering if this is a common problem, as I have never had a hard disk failure before and specially surprising as it is relatively new laptop (<1 year) old ? Seems like a technical fault with the laptop prima facie. Some data was not backed up recently, and now I need to look for a recovery specialist, with costs to bear despite Apple Care.
Any suggestions on recovery specialists in London who do not charge a fortune ?
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Deepa

www.apple.com/support/macbookpro
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HELP iPod classic (2007) 80 GB FROZEN SCREEN (Now Playing window showing the song that is suppose to be playing, will not respond to buttons, Will not SYNC, iTunes does not recognize it AT ALL when I plug it in. Has anyone had similar experience? fixed?

HELP
My iPod classic (2007) 80 GB FROZEN SCREEN (Now Playing window showing the song that is suppose to be playing, will not respond to buttons, Will not SYNC, iTunes does not recognize it AT ALL when I plug it in. Will not shut off, will not charge... pretty frustrated, I updated it recently (within the last 10 days....Has anyone had similar experience? If so was it fixed? Please post any help for me... thank you... I am pretty frustrated right now.

its fixed!! After posting my problem with the FROZEN ipod classic (2007) 80 gb a screen popped up with similar subjects that I did not find in my original search. 'Rich Fleming' in the community posted a suggestion to someone with a similar frozen issue and it WORKED when I tried it.
hold the 'menu' and the 'circle' buttons down at the same time, KEEP the pressed until the apple appears. and now it is working. Hope this helps others.

HHola I update my Apple TV and I am frozen screen with the photo of Apple TV and iTunes symbol and a cable connected from one to another device, it happens and how to fix it Apple TV

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Welcome to the Apple Community.
If your problem persists get yourself a micro USB cable (sold separately), you can restore your Apple TV from iTunes:
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Connect the micro USB cable to the Apple TV and to your computer.
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Open iTunes.
Select your Apple TV in the Devices list, and then click Restore.
(You may already have a micro USB cable if you have a camera or other digital device)

What is better Mac Mini or Mac Pro and 4K 40" screen or iMac 5K for work with Exel

I am working on Macbook pro retina for around 16 hours a day, it is ok but the screen is to small. I am opening about 25 - 30 EXCEL windows, 20 - 25 safari windows at the same time. Excel windows are small, they only show 40 rows and S column Now I am considering buying iMac 5k ( but the screen is only 27", however a very high resolution but I think that fonts and digits displayed may be too small ). I am also considering Mac Mini or Pro with 40" 4K TV ( 4k computer monitors are 27 - 31" , so better idea would be purchasing iMac 5k ) . The problem is that 40 - 42" TV don't have Display Port ( I can't find it anywhere )
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Currently you can only get 4 K at 30 Hz via HDMI. Some users have reported jerky curser movement because of the 30 Hz.
I would go for the 5K iMac. You can add a second screen at 4K.
FaceTime HD camera
Simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on an external display
Support for extended desktop and video mirroring modes
The Mac Mini supports:
Support for up to two displays at 2560 by 1600 pixels, both at millions of colors
Thunderbolt digital video output
Native Mini DisplayPort output
DVI output using Mini DisplayPort to DVI Adapter (sold separately)
VGA output using Mini DisplayPort to VGA Adapter (sold separately)
Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)
HDMI video output
Support for 1080p resolution at up to 60Hz
Support for 3840-by-2160 resolution at 30Hz
Support for 4096-by-2160 resolution at 24Hz
The 2013 Mac Pro can use three and more displays:
Mac Pro (Late 2013): Using multiple displays - Apple Support
I would go for multiple screens

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ANswered my own question !! Switch off all power. Allow battery to run down....overnight good idea. Charge up next morning. All well. Working as normal. Hope this helps someone else.

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TomHosken wrote:
About 2-3 days ago, the Ion Channel #15 for Zip Code 32162 is a frozen screen. What's the deal. Same on all 3 TVs which have different Boxes.
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Frozen screen on imac 20"

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