My iMac 27" gets really hot!

Hi,
I have a 27" Late 2009 iMac, and the top and upper back, get really really hot! I am worried that my iMac might overheat or something so please help and tell me if this is normal!

As old as your iMac is, have you cleaned out the dust? Dust buildup can lead to over heating issues. Remove any and all things plugged into it including the power cord, Remove the RAM access grille. Vacuum all openings starting with the RAM access area (air intake). Vacuum all ports and plugs, DVD slot and the opening across the top of the rear of the body. Blow compressed air through all your openings and vacuum again to remove any dust you loosend. Reinstall the RAM grille. Plug in the keyboard and mouse if not blue tooth. Insert power cord...
You are now in a perfect position to do a
SMC RESET
http://support.apple.com/kb/HT3964
Shut down the computer.
Unplug the computer's power cord and ALL peripherals.
Wait 15 seconds.
Attach the computers power cable.
Wait another 5 seconds and press the power button to turn on the computer.
It is the 5 second timing that initiates the reset.

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I have never had a Mac act this way.

If your iMac is still under AppleCare warranty, backup everything on your iMac, bring it back either to Apple or the repair center and kindly, but very, very strongly ask for a replacement iMac.
Your iMac has just got too many issues and components that failed.
Under AppleCare, you can ask for a one-time complete replacement.

IMac gets really hot

Hi everybody,
I have an iMac Intel Core 2 Duo and I usually leave it on for the entire day. Lately I've been noticing that it gets really hot on the top near the ventilation opening. The fans don't sound like they're working very hard, though.
Here are some stats from iStat:
http://img190.imageshack.us/img190/2600/screenshot20100514at103.png
I am very concerned about this, I'm out of warranty.
Thank you very much for your advice,
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I have a new iMac 27" dual i7. This Mac gets so hot, I am concerned it could be a fire hazard or a danger. I shut it down when I am not around. This can't be normal, correct? I am taking it to Apple on Monday, is it possible I got a lemon? This seems to be a larger issue as I do research online about this heat problem with the iMac. Also, there is a smell from the computer as if something is overheating.
Is this a software or a hardware problem? It would be nice if I did not have to pack up the computer and haul it to the Apple Store. Plus the fan is very loud. I have been in the Apple Store and I don't feel any of these problems with there floor displays. Is there a problem with Apple's Quality Control? Also, because Apple is on top of the tech market right now are they getting sloppy with QC?
If you have answers or solutions please reply.
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CNBC
Last Night Temps after a few hours of work were:
HD 135 degrees
CPU 113 degrees
Ambient 72 degrees
GPU Diode 142 degrees
GPU Heatsink 139 degrees
Mem 126 degrees
Optical Drive 119 degrees
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Does the iMac G5 get too hot?

Greetings to all.
I would like to start a thread about the iMac G5 and heat. I found a few old threads, but I would like to bring that topic up again.
I have a 1st Generation iMac G5 (purchased end November 2004). For the second time since November 2004, it was defective and the Logicboard was replaced (so my Apple Dealer told me).
First time, in November 2005, the screen went pink. Second time, earlier this month, my Mac didn't boot anymore.
The full amount for the repair (including shipping to Apple (Belgium), work hours, etc.) was over 500.00 euro (about 700 USD for you, Americans).
I believe that the iMac G5 (at least: my 1st Gen one) is simply getting too warm.
The day before, I installed "Hardware Monitor". It gave the following (average) temperatures:
CPU: 60.6 - 63.8° Celsius (141-164° F)
HD: 57.5° C (135.5° F)
It is my opinion that the (my) iMac is getting too hot to be "healthy". I have 2 PC's, in which I installed extra fans (at the back and at the side). One of these, with an Athlon64 3000+ (1.8 GHz) and a 120 Gb Seagate Barracuda gives (average) temperatures for the:
CPU: 36.5° C (97.5° F)
HD: 26° C (78.5° F)
My second PC, an old (modded) HP Vectra, with an Intel P4 at 1.6 GHz and a 80 Gb Seagate Barracuda, gives as average temperature (HD only):
HD: 37° C (98° F)
It may not be correct to compare my iMac with PC's - but harddisks are harddisks, wheather it is a Western Digital (250 HD in my Mac) or a Seagate (PC HD's), and it is only logical that a(n average) HD temperature of 57 degrees Celsius (128° F) in the long term can not be healthy, while the harddisks of my PC's are a lot, lot cooler.
The PPC, too, gets much hotter than my Athlon CPU (and the P4 most likely too).
Therefor: is my suspicion correct that the/my iMac G5 in general is getting too hot for its own good? Even though it may be summer here (Belgium), I still find such a difference in heat values between my iMac and my PC's not "right".
Both the times that my iMac was defective, the Logicboard was replaced.
Is it possible that in both cases heat is the problem (directly or indirectly) of the defects of my iMac?
Basically we have a desktop computer constructed like a laptop, with all the hardware stuffed together in a very tight space. Why did they not keep the heat issue more in mind, when the iMac G5 was designed?
I believe that the heat is a very negative factor in the/my iMac G5. If I will have to pay such a small fortune, every time my Mac breaks down, being a Mac owner will become quite expensive.
iMac G5 (PPC), 17-inch, Superdrive, Mac OS X (10.4.10) 1.5 GB RAM, 250 Gb Western Digital HD
iMac G5 (PPC), 17-inch, Superdrive, Mac OS X (10.4.10) 1.5 GB RAM, 250 Gb WesternDigital HD
iMac G5 (PPC), 17-inch, Superdrive, Mac OS X (10.4.10) 1.5 GB RAM, 250 Gb WesternDigital HD

Your Mac should have been repaired under the Apple power supply or video and power issues as long as your serial numbers were covered.
As far as normal operating temps are concerned, my Rev A is at this moment, running at CPU T-Diode 144∘and my Hard Drive is at 128∘so your temperatures seem well within normal ranges.
Yes, the machines tend to run a bit hot, but as long as the ambient temperature is not too high, they are fine. The failures were originally cause by a bad batch of capacitors but since those have mostly been replaced, the machines are much more reliable.
Some people train a small fan on the back of the computer to keep it cool, that may help you.
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I replaced my phone because I experienced hot battery and battery draining within 5 hours. It has period of it being hot but it's more acceptable because I noticed when you have a lot of update or installation like the OS update otherwise battery is now doing much better.

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Hi
My macbook has started getting really hot after using it for only maybe 10 minutes or so, it can go up to 73 degrees quite quickly, I am only surfing the net etc but have a few pages open at the same time.
Also should I switch it off after I finish using it or is it ok to leave it in sleep mode for long periods of time......
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thanks

First try a SMC reset:
http://support.apple.com/kb/ht3964
If there is no change, install istat menus:
http://bjango.com/mac/istatmenus/
Open Activity Monitor to ALL PROCESSES and %CPU to display values from high to low.
Look for a process that consumes a large % of CPU.
You may post images of both for inspection.
Ciao.

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Hi,
I purchased a MacBook a couple of days ago and it has been fine.
However, today I've realised that the back of it at the bottom is getting really hot, even when the charger is not plugged in. I am not using powerful apps either.
Sometimes it can almost be too hot to touch for more than a couple of seconds. This happens on any surface, whether it's on my wooden desk or not.
The back getting hot also heats up the rest of the Mac to some extent.
Any advice? does it need seeing to and if so will I be charged? Like I said I only purchased it a couple of days ago.
Thanks!

Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
If this does not help, contact Apple.
Genius Bar reservation:
http://www.apple.com/retail/geniusbar/
Best.

Whenever i play dota 2 my macbook pro gets really hot. is this ok?

I just recently got my macbook pro 13 inch with normal factory specs. i downloaded steam and got dota 2 which is btw a really fun game. but whenever i play it, about 10 minutes in my computer starts to get really hot on the bottom. it gets hot to the point where if i put my hand there to see how hot it is, it starts to burn and actually hurt my hand and it doesnt feel good to keep it there long lol. but im wondering if this is normal and if its ok to keep playing? When it gets that hot it makes me want to stop playing because i dont want to progressively fry the components overtime as i need to keep this computer for a long time. i almost forgot to mention that im playing on pretty settings as far as graphics. i have alot of things turned off including shadows and antialiasing and other stuff that i really dont care about and the game still looks great but the computer still gets really hot. any help would be appreciated and thank you!

Hello:
The Mac will shut down if the thermal parameter is exceeded (I don't know what that is). However, if it was me, I would stop playing the game.
Barry

My MacBook Pro gets really hot when I open a video file of any kind and the video starts lagging and the image fades away, also with anything that starts the fan. Is extremely hot on the left upper corner. Is there something I can do about it?

My MacBook Pro gets really hot when I open a video file of any kind and the video starts lagging and the image fades away, also with anything that starts the fan. Is extremely hot on the left upper corner. Is there something I can do about it?

You are still under warranty. Call Apple Care. Make sure you get a case number as all repairs have an additional 90 days of warranty.
#1 - You have 14 days from the date of purchase to return your computer with no questions asked.
#2 - You have 90 days of FREE phone tech support.
#3 - You have the standard one year Apple warranty.
#4 - If you've purchased an AppleCare Protection Plan, your warranty last for 3 years. You can obtain AppleCare anytime up to the first year of the purchase of your computer.
Take FULL advantage of your warranty. Posting on a message board should be done as a last resort and if you are out of warranty or Apple Care has expired.

My iPod Touch 5th Gen Won't Turn on and when I charge it it gets really hot

so I had lost my iPod, but then i found it and it wont turn on and when i charge it it gets really hot. Why???

Try the remaining items of:
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- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try another cable
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order. The Hotness usually indicates a hardware problem
Apple Retail Store - Genius Bar

Why does the IPhone 4 get really hot, when you are making a phone call??

I can't seem to find the answer to this riddle . why does the iPhone 4 get really hot when you are making phone calls or when using face Time ??

It doesn't.
There must be an issue with your iphone.
Have you tried reset? Restore?
Have you made an appointment at the genius bar to have them look at it?

HT1688 MY IPHONE 3GS START TO GET REALLY HOT, AND AFTER THAT ALMOST EXPLODE...ITS BROKEN NOW.... THE BATTERY GETS FAT... WHATS THE SOLUTION NOW???

MY IPHONE 3GS START TO GET REALLY HOT, AND AFTER THAT ALMOST EXPLODE...ITS BROKEN NOW.... THE BATTERY GETS FAT... WHATS THE SOLUTION NOW???

Unfortunately it looks like your 3GS' battery has expanded so much that it cracked the whole case wide open. If you have AppleCare on your device then you're all set, just take it to your local Apple Store.
If not, then still take it to the store. Complain about the battery bursting, and make sure to tell them that it's for sure a defect (you'd think it's obvious, but sometimes you just need to drive the point in), and that it potentially could have been and still be a hazard.
Remind them that the phone has not been in any adverse conditions, extreme temperatures, or abused in any way but that you just merely used it normally. (I'm assuming that's the truth?)
If they're good about it they should replace the broken phone for you; but unfortunately there's little chance of repairing your current device.

HT1688 I am having issues get my email in one of my mail accounts so I tried to "DELETE" the whole account. But my phone will not delete a mail account. And the phone is getting really hot and battery was full 2 hours ago and now at 25%.

I am having issues get my email in one of my mail accounts so I tried to "DELETE" the whole account. But my phone will not delete a mail account. And the phone is getting really hot and battery was full 2 hours ago and now at 25%.

Well, you don't say what happens when you try to delete the account. So I don't know what else to recommend. However, if your phone is not charging, is that the mains charger or the computer USB? Also, if it not showing any change to battery percentage, then something is wrong with the software. The next step in user troubleshooting after the reset is a restore from backup. However, considering the condition of the phone right now, I would be more than willing to say your backup is going to be corrupt. But you can try. If that does not fix the device, then you restore as new, not from a backup. If the phone works, then you can try restoring the backup again, but if it messes up, you are going to have to restore as new again. If the restore as new does not work, then you need to make an appointment at the Genius Bar or Authorized Apple Service Provider to get the hardware checked.

My iMac 27" gets really hot!

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