Hot 27" iMac

Hi, Just upgraded to the new 2010 27" iMac - beautiful bit of kit, you don't realise how big it is until you get it home.
Anyway everything seems to be working as planned, migrated all my data over without any problems. I've noticed that the back of the new iMac seems very hot, especially when compared to my old iMac. Neither the base at the front and the glass monitor are hot, just seem to be the back and sides of the machine. Is this normal?
Thanks
Andrew

I'm not crazy about the HDD at 53. It's not at the point where it will do any immediate damage, but long term it will probably suffer from slow roasting. I'd like to see it stay below 47-48 tops. Nothing one can do if the room temp is hot, but in cool weather mine doesn't get much above 44-45. The other temps look OK.
You might want to get smcFanControl to perhaps ratchet up the fans maybe three hundred rpm and see if that brings it down a bit.
I also run a small, cheap 6" clip-on fan at the back of my 21.5 aimed at the hottest area which helps to dissipate the case heat.
http://www.eidac.de/

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Hot display iMac 24"

I am sitting here in Adelaide and the outside temperature is 40 degrees C, inside my house it is around 30 degrees C, warm but bearable.
My Mac display seems to get very hot and on days like this it is hard to work with. I downloaded a temperature monitor widget and got a reading of 73C [163 F] for the Northbridge Heatsink.
That seems very hot to me, is it normal?

G'day Mate!
I live in the tropical part of Mexico (the Yucatan) and we are on the same temperature range you mention. There was a period of time last year when INSIDE the house temperature was above 40º... i used to have at home an iMac 24" 3.06 and yes indeed it got VERY hot and uncomfortable... i happen to work at the same distance as you from the display... my solution was to bring a cheap standing electric fan, there's a ceiling fan at my home office but it simply can't provide enough cooling for the iMac and myself... so the standing fan blew directly to the iMac... and it indeed cooled the iMac quite fine, after a couple of weeks with that heat i took the iMac to the office where there's air conditioning. I was afraid the iMac would severely decrease its useful life working constantly at that high temp.
If you do not have a cooler place to work i strongly suggest to get yourself one of those fans... or two... one for you and one for the iMac...
In the oher hand... or on top of it... you can install smcFanControl http://www.macupdate.com/info.php/id/23049 and set the fans to start running at a lower temperature...
i did that with my MacBook Pro and also got a ventilated laptop stand (usb powered fan below) and it keeps it quite fresh...
ooh seems like there's a better fan control for iMacs...
http://www.derman.com/iMac-Fan-Control
Good luck
Good luck
Message was edited by: Joaqun Rodrigo Garza Prez

How Hot is Too Hot 20" iMac (Mid 07)

I have a new 20" iMac 2.4 GHz that came with the Apple installed 1 GB of RAM. I realize it is normal for the top edge to be warm. I wanted to know how warm so I installed the Temperature Monitor v4.2 and it currently reads 123.8 F. Is this normal or hot? How hot is too hot and what will happen if I install another memory module?
Is there a better utility or something from Apple to track temperature?
aRKay
Ps: How do I add an icon showing one of the new iMac?
Message was edited by: aRKay

+How hot is too hot and what will happen if I install another memory module?+
185 F is too hot, but unless you've got your iMac sitting in direct sunlight or are operating it at the extreme upper end of the ambient temperature operating range at 95 F, it would be highly unlikely to reach that temperature since the fans do an excellent job of cooling.
The whole point of Apple's switching to Intel processors was to provide the same power as the Power PC processors, but at much lower temperatures due to consumers not using air conditioning to such a wide extent as do businesses.
Installing another memory module will not make much impact on most internal temperatures, except it will probably tend to lower the hard drive temperature since with more memory there won't be as much swapping of data back and forth between memory and hard drive.
Computers have always worked faster in a cooler environment rather than in a hotter environment, so if your environment is hot and you want to give your Mac some help, turn on the air.
As to the topic, it is not marked as solved, but is marked as answered.
Message was edited by: myhighway

Hot synch iMac at home, PC at office

Just got an iMac and though I love it, there's a learning curve! I just installed OS 6.2 on both the Mac (Mac version) and PC version. I was told when buying the Mac that there's software to allow me to convert at one or both ends and/or into/out of the PDA (Tungsten E2). Advice? Nate
Post relates to: Tungsten E2

I'll answer your questions in RED below. The version of Palm desktop on your MAC should be 4.2.1. Is this what you have?
When synching, Calendar is incomplete. Some data imports; a great deal of other data is missing. It appears that items marked with category "Personal at Work" are missing. That category is present in the Categories list in Edit. Not sure why the data is missing.
Is there a difference between Datebook and Calendar? I presently have both conduits set for device to overwrite the Mac -- based on fact that the device has synched successfully from office PC and I wanted not to miss something. On computer, the "calendar" is called Datebook. The "calendar" is the name newer devices use instead of datebook. Datebook was the name for calendar on older devices. When you sync, the unused conduit should disappear.
Synch to iMac: no addresses imported at all. Make sure the conduit for contacts and addresses are set to syncronize the files and see if that will work.
Hotsynch log showed "Date book did nothing" "Contacts did nothing" (although that was checked for device to overwrite -- or are 'Contacts' the addresses?) and showed "Address Book did nothing" If both conduits did nothing, then no data sync'ed. I am not sure what the cause of this is at this point.
Log showed "Calendar synchronization failed Calendar failed (error = there is not enough memory.") Is this on the handheld or the MAC?
Memos et al. -- how do I manage preferences? E.g. deleting "date" from the menu bar? Not sure what you mean. Are you referring to the status bar on the bottom of the screen and the clock icon? You cannot remove the clock from the status bar, that I am aware of. Look in the user guide for the information regarding managing preferences.
On iMac version, where do I hide/show Private categories? How do I show/hide "Daily" beside the monthly view of Calendar? This is not an option in Palm desktop for MAC.
Palm Help consistently resulted in this error message: "Internet connection required
The help topic you’re opening requires an Internet connection. Choose Apple > System Preferences, and then click Network to check your network settings and, if necessary, connect to the Internet."
I followed directions. I am on internet through Safari and connection is wireless (e.g. I'm sending this.) What am I missing? I am not sure about this error message and why it is happening.
Message Edited by cygnusX1 on 04-30-2009 09:02 AM

IMac Core2 system HDD failed yesterday . Today it works fine. Huh ?

My hard drive appeared to utterly fail yesterday . iMac could not find a system disk at all. White screen only. Booted from DVD and ran utilities, then a "D" key startup diagnostic. , which reported a hard drive error - 1337. it's still under Apple Care (or another 2 months is all! ) but the nearest certified tech is 125 miles away and nearest Apple store > 500 miles.
Today, all is well. Mac booted fine . No issues at all. Disk utility and techTool report no issues with volume. S.M.A.R.T. Reporter is all green
I suspect this may be due to high ambient temperature in my work environment ( 80° F ) and possibly the iMac is clogged with dust from 3 years from running in what amounts to a garage studio. I installed a system temperature monitoring utility today but it indicates nothing unusual. The room is also much cooler today. That's the only thing I can think of , other than an erratic drive about to fail for good.
But yesterday my iMac was dead.
*** is going on ? Do hard drives refuse to run if they or the chassis around them are too hot ?
iMac 24" Core2Duo 3.06 ghz ; Leopard 10.5.8 ; 500 Gb Western Digital eSATA system disk

Before you do anything backup the computer using Time Machine and/or a bootable clone using SuperDuper or Carbon Copy Cloner. Drives can fail and magically come back to life, however this is just a temporary reprieve, it will fail again!
You should run Apple Hardware Test in Extended Mode, it may locate errors. If it does you can Google them or post them here.
You can remove the RAM cover at the bottom of the computer and vacuum out the dust bunnies that may have accumlated. Of course make sure the computer is turned off and all peripherals are disconnected.
Your ambient temp isn't very warm so that wasn't it however a dirty enviroment can be a reason for electronics failure. Dust will build up inside and block air flow, this makes the fan work harder trying to cool however all that does it pull in more air along with dust. If you are in a very dusty enviroment the best idea is to either clean it up or every few months to vacuum out the dust as described above.

IMac 27" 2010 i7 Just randomly shutting down

So I've noticed this when I forget to turn up the fan speeds via iStat (normally the computer gets very hot if I don't keep the fan speeds medium) where the computer after extensive use (Eclipse, dual monitor with old 30' Apple Cinema Display) and just a normal hot summer, the computer will at times just shut down without warning. I hear a pop of the speakers and it's just off. Restarting shows no warning of such. I'm taking the computer to the Genius Bar this week while it's still in warranty, but any ideas in the mean ti

It's possible that your iMac turns off automatically because of the temperature inside it. If the temperature is too hot, your iMac will turn off because of security.
You do the right thing taking it to an Apple Store, because it may indicate a problem with fans. Your iMac sets fan speeds automatically depending on the heat, so it may indicate that fans aren't working correctly. The Genius will tell you what the problem is and will propose the solution. Also, if you can, keep cool the place where the iMac is, because hot temperatures may affect to the hardware and cause problems in the future

Apple Tv Getting Hot?

Why is my Apple Tv getting extreamly hot? when its off?!?

It's never off. When the front panel LED is off it's just in sleep mode. Apple TV generates a lot of heat and the case reportedly acts as a heat sink to dissipate the heat away from the internal components. There have been numerous posts about this problem already. Just think of your Apple TV as a combination multimedia player and hot plate.
iMac Mac OS X (10.4.9) The more I think, the more I think I shouldn't think more.

IMac Aluminium - any heat issues?

I'm pondering getting an iMac and the main thing that concerns me - apart from the graphics card being less powerful than a 7600GT - is how hot the iMac seemed to be in the shop. The white ones were a lot cooler. This may be to the screen being slimmer, but I wondered if this was likely to be an issue. For example, would the heat be likely to make the iMac's components last not as long as a white iMac?

Armand45 Sez:
Yes, I've noticed that my machine seems to run hot also. My hard drive reads at 54 degrees farenhiet. VERY warm at the top of the machine. The top back half of the machine is very warm, but the bottom half is cool. I hear no fans, not that I would want to. But I am concerned about the heat.
I sez: 54 degrees Farenheit can not be right. I hope you mean 54 C.
If you are concerned, install iStat and check your fan speeds and temperatures after a few activities, like burning a disk or playing a game or reading email. A lot of people are concerned about the heat. We have new iMacs that there is no common knowledge base for yet. In a few weeks we will all know that the fan speeds of 700, 1200 and 1200 are common for a new Intel iMac at rest, that the fans are silent and all three fans should run constantly, and that temperatures for CPU, hard drive and optical drive should normally be between 55 and 62 Celsius... or maybe not !
Maybe soon there will be a FAQ document from Apple addressing our concerns indicating what constitutes normal fan and temperature operating conditions for these models so we will know when ours are not quite right.
M

DMGs and disc images...

Hi all
Officially made the switch from PC this week and am now the proud owner of a hot new iMac.
I'm loving it so far and finding the transition very smooth, however I can't get my head around DMG files and disc images.
For example, I've downloaded Firefox and Thunderbird. They now sit on my dock and work well, however I have the DMGs and a disc image file sitting on my desktop and I don't know what to do with them.
At first I assumed that a DMG was just like the zip and rar files I was so used to on the PC. I would just unpack them, install them to the destination of my choice, then delete the archive file. DMGs don't seem to be quite the same thing though.
Also, what are the disc image files? I would like my desktop to be as unclutered as possible, however if I try and move these into my home folder, they only come over as shortcuts.
If anyone could guide me through the process I would greatly appreciate it.
Cheers,
Heath.

Hi
There are 2 ways of installing:
1 With apps like Firefox & Thunderbird, you download the DMG
Double-clicking it should open a window with a Firefox icon followed by an arrow &, I think, a folder icon. To install firefox you open a finder window, navigate to Applications then drag & drop the Firefox icon to the Applications window. This installs the application. You can then drag the white disk icon on the desktop to the trash (to eject it).
If you have dragged it straight to the dock then you are running the program from the disk image (you have not actually installed it).
2 Application will also come in form of .pkg file, double-click to run.
Steve

OS 10.8 just installed. "Hot Corner" to put new iMac 2.7 GHz Intel Core i5 to sleep mode doesn't work. Have tried cordless and corded mouse with same result. Momentary sleep, immediate wake. Any idea how to fix?

Set "hot corner" to put iMac to sleep. Doesn't work. Selecting the corner will momentarily put to sleep, but immediately rewakes. Have tried all four corners with same result. Have tried with wireless mouse and with corded mouse with same result. Any ideas as to how to fix?

You've been so great, I want to thank you for all the help over a very frustrating day. Last evening, I redownloaded and installed the fresh copy of Mountain Lion. The problem remained. After installing the new OS 10.8, any clicks on a web page (Firefox browser) didn't open the page, but instead made a copy of the page on the desktop. Felt it must be hardware degrading, so I set up a case with Apple support for today. Early in the diagnostics, I had swapped out for a corded mouse and the problem remained. As a last try, I changed out my wireless mouse for a different wireless mouse. That seems to have done the trick. My Logitech mouse is incompatible with OS 10.8.
Thank you again, so much!
.../awards rkaufmann87 500 points!

Imac wont wake up from sleep, runs hot in games

I have a brand new Imac and when i put in sleep mode i can click the mouse and hit the keys all i want it just wont come back on .. i have to totally reboot my Imac. also i have the best Graphics card available right now from apple and when i play Command and Conquer it gets Extremely hot to the touch?
Any thoughts or suggestions?
Thanks

You have a lovely intel machine, you lucky thing. However, this forum is for PPC G5 iMacs, you need to post on the [intel iMac forum|http://discussions.apple.com/forum.jspa?forumID=1110].
Hope you find a solution,

Can I put two iMac's back to back on the same desk. I noticed the computers feeling hot.

Can I put two iMac computers back to back on the same desk - I share a table with my husband and our computers have to be placed back to back. I noticed the tops of the computers feel hot!

There should definitely be a little space between them to allow for ventilation, but it's normal for the top area to get hot.
Matt

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.
Miriam

My 24"intel Imac Keeps going to sleep -it is hot to touch in the top left corner of the case -is something about to fail .

My IMac works for 30 mins without a glitch then starts putting itself to sleep every five minutes after that - it is getting hot in the top left hand corner - my guess is that something is on its way out - anyone had a similar issue before .

Ran AHT - nothing wrong.
Did a full cleanup and verify as well.
probem persists.
Fan is always going
might have to go to an applestore..
max

IMac display won't sleep with hot corner

I saw that this question was asked before but no answer was given. I got my iMac OS X Yosemite 10.10 brand new yesterday. I set up hot corners so that the display will go to sleep when I swipe it. However, no matter how carefully I swipe, it always comes right back on. I cannot get the display to sleep.
What am I doing wrong? Your advice would be appreciated.

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Hot 27" iMac

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