OS X :: Run Hardware Diagnostic On Imac?

Dec 18, 2008

i have been having a lot of problems with my airport on my imac it disconnects and is unable to connect to my networks for like an hour then starts working - this happens randomly can you tell me how to run a hardware diagnostic on my imac before i take it to the genius bar?


IMac PPC :: Where Are Diagnostic LEDs In G5 Isight

Apr 3, 2012

I have looked everywhere, including under the right speaker. Have removed the display ... they are nowhere to be found. But I know they're hidden here somewhere!

iMac, imac g5 isight

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IMac :: Finding 20in Aluminum (late 2007) LED Diagnostic?

Aug 19, 2010

I recently bought an used iMac (was purchased new in feburary 2009) in which I knew the screen was not showing any video when I bought it. ( I was okay with that I thought I'd give it a go at fixing) well the problem seems to be within the LCD itself. When I hit the power button I hear the chime, fan spins, and the hard drive does it's thing. I ended up taking the casing off the iMac to where it only shows the bottom half of the insides underneath the LCD. My question is now to diagnose what exactly is wrong with it by using the 4 led lights. I have searched the forums and the Internet up and down for which ones mean what but I have only found out information on older iMacs. When my iMac is off (still plugged in) LED 1 is on. When I turn the iMac on LED 1,2, and 3 are green. Which that leaves the 4th LED not being lit up at all. I suspect this has something to do with the iMac not showing any video but as I said I am not sure because I cannot find any information on it anywhere.

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MacBook Pro :: Doing Motherboard Diagnostic?

Jul 26, 2010

I've been experiencing a variety of problems with my peripheral devices. At first it started with my monitor and I thought it was going out... it was having lines (darker lines, like flickering) all over the screen... but then I realized this happened when I plugged something into my computer... so for example if my external monitor is on, and I plug in my firewire soundcard it starts to flickr...

Then it started to do it when I would plug in my printer... now if I plug in my firewire soundcard my monitor turns on and off... and I'm having sync issues with my soundcard.

I wiped my computer, reset the SMC and the PRAM and NVRAM. How do I test if my mother board is crapping out?

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OS X :: Diagnostic Test Without Recovery Disc?

May 14, 2009

I lost the recovery dvds that come with my mac.. I do have a Leopard retail dvd though...

Is there anyway to run a diagnostic test without the original recovery dvds?

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Mac Pro :: Using Red Diagnostic Lcds On ATI Radeon X1900XT

Oct 14, 2009

My ATI Radeon X1900XT graphics card keep tripping out leaving a black screen The card itself has a red lcd light visible on the card when the screen is not working

The card is in an 8 core mac pro and is running a 30" ACD.It started a while a go before installed Snow Leopard but happened very infrequently

Have installed snow leopard and added two new dvd drives and I now have these blackout nearly everyday.

Have found info on ATI's website about the Radion HD 4870 suggesting the LCDs indicate a faulty power supply or even disconnected power leadsthe same thread also mentioned overheating could be the cause a of the red light.

anyone know what the Red diagnostic lcds on Mac ATI Radeon X1900XT mean.

Extra info: The two DVDs I have added I had to replace the data cable as I damaged the original

to do this meant a total strip down, while I was there I added two sata data cable threading them through connecting to a new sata drive and leaving one spare for the future.

The DVDs work perfectly, could adding the sata cables have an effect on the power supply.

Having to remove the ATI Radeon X1900XT, I am sure the cables are seated correctly, should it matter which cable is connected to each connector on the motherboard.

There is a thread on apple website about this black screen, all describing similar problems but relating this to Snow Leopard and some sort of video bug.

No answers on that site and no one else seem to have the Red diagnostic lcd

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Applications :: Diagnostic Tools From Nano

Aug 20, 2010

So I had to take my macbook pro into the genius bar recently to replace my battery and they ran diagnostic tools from a nano. Anyone know how to get a hold of these tools or what they are?

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MacBook Pro :: Finding System Diagnostic Software For Free?

Sep 30, 2010

I'm very happy with my 2010 MBP 15" i7 -- very slick little piece of kit!

However, there have been a few cases recently where I had to force a hard-shutdown of the laptop (holding the power button for 3 seconds). This is not because of the actual MBP per se, but because of some software that froze and wouldn't let me force-quit them.

Anyways, I'm wondering, since I had to hard-shutdown several times recently, if I should check my OS for any weird happenings? I always, always do Apple > Shutdown, but I've been forced to use the power button recently.

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OS X :: Apple Hardware Diagnostic Test - I / O Board Failing

Mar 24, 2010

Is it possible that a failing I/O board would not show up as a problem in Apple's hardware diagnostic test? (from disc 1 of those included with the computer). I'm specifically referring to the Left I/O board, which handles the left ports, the a/c adapter, and part of the wireless connection. My battery just fried and now my airport card isn't working, and after trying everything, I think I may have found the issue.

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Mac Mini :: Unable To Startup In Safe Mode For Diagnostic?

Apr 16, 2012

I am unable to start in safe mode. Is there another way to do a diagnostic?

Mac mini

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Intel Mac :: Hard Drive Scanner/diagnostic Tool?

May 23, 2012

I have a 21" i3 3.06 Ghz iMac. I got it in 2011 and the warranty has expired. 

Anyway, I notice that every few months after clean installing Snow Leopard, my hard drive would be come corrupt necessitating a complete reinstall of SL again.

This occurs every few months. The OS is up to date, no malware, no weird software of anything installed. Basically, everytime I boot up, it'd take about 5-10 minutes as it does the gray screen with the spinning wheel with a progress bar at the bottom of the screen. 

I have tried repairing permissions and scanning for errors using disk utilities within SL and via my SL install disc. However, I am unable to repair disk because it is corrupted. 

Is there any other HDD scanning tools that I can use to see whether or not my hard drive is defective? 

iMac Late 2010/Macbook Early 2008, Mac OS X (10.6.6)

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MacBook Air :: Ethernet Adaptor Options - Diagnostic Tool Crashed

May 8, 2008

Just picked up the adaptor today and thought it was pretty much a no brainer: plug it in, it works. Not in this case, it keeps getting a self assigned IP address and I can't connect to the internet-although there is a green light next to the ethernet adaptor in System preferences. I have an Airport network set up as a normal scenario. I bought this adaptor only because I am about to take a trip and the hotel only has ethernet in the rooms. I've tried using the diagnostic tool, but it keeps hanging and crashing.

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MacBook Pro :: Network Timing Out - WiFi Light Green In Diagnostic

Jun 22, 2012

I'm having a periodic problem where my network will timeout. Once that happens, I'm unable to connect to the network again by choosing the network. When I run the diagnostic, only the Wi-fi light is green. If I use the assistance, it tells me the password is incorrect even when I know it's correct. I will always connect for a second or two before timing out or being told the password is incorrect. If I purposefully type the password wrong, I'm immediately told it's wrong without the hesitation of connecting for a second. Does anyone have any ideas of what is going on? I eventually get connected but only after going through a laborious process of either created a new network or deleted all the Wi-fi information. Even then, the process is temporary.


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Intel Mac :: Where Are The Diagnostic LEDs Located On A 27" (late 2009, 3.06GHz)

Apr 1, 2012

My iMac stopped booting. The fans and hard-drive spin up but the screen stays black and I can hear that the hard drive isn't been read after the initial spin up. 

I decided to open it up to take a look at the diagnostic LEDs to see if it might help me diagnose the problem (the most obvious failure is the logic board). I can't find the LEDs anywhere, where are they? Does my iMac even have diagnostic LEDs? 

The other possibility is that I can't find the lights because they aren't lighting up. The fans, the hard drive and the CD drive all spin up fine so at least I know that there is some power running though it.

iMac, Mac OS X (10.6.8), 27" 3.06GhZ (late 2009)

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MacBook Pro :: 4 Mem/9/40000000:0x843b8598 - Why Get This Error When Running The Hardware Diagnostic Test

Apr 9, 2012

why I get this error when running the hardware diagnostic test?

MacBook Pro, Mac OS X (10.7.3)

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IMac :: The Dimension In Inches Of The Imac 27 From Top Of Desk To The Top Of The Imac?

Nov 23, 2009

Still waiting on my new 27" i7 imac. Trying to figure out if current desk is suitable. Can someone tell me the dimension in inches of the imac 27 from top of desk to the top of the imac

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IMac :: Debating Between IMac And MBP... Leaning Towards IMac?

Aug 15, 2010

I hope you don't mind helping a guy out in his choice in what he truly needs... so I guess I'll get down to the basics.

First off, music is my main priority when it comes to computing, I write all sorts of electronic music, I'm used to working in Windows under Ableton or FL Studio, so I'm not hip to the Mac software for these functions.

In addition to the electronic music I write, I'm also very much into music instruments, I've been playing drums for around 8 years now, bass for 5 years, guitar even... so I plan on multi-track recording... up to 16, maybe even 32?I do plan on opening up my own home studio, I would be using this PC, (not sure if the MBP or the iMac)

I'm also a lightweight gamer, playing games such as Team Fortress 2, World of Warcraft, or StarCraft II (Diablo 3 will probably be my biggest gaming vice when it comes out) sparingly in my free time, which would be better for this sort of light gaming?I sometimes spend up to 8 hours on the computer, also, so if these screens are too harsh on the eyes after extended periods of time, I'd appreciate if someone could enlighten me to that.

SO, with all that said, which do you guys think would suit me better? (and I'm really thinking the iMac would)... I used to want portability, but I don't think I'd feel comfortable taking a $2,000 laptop with me around campus at the local community college.

- Needs to be able to record up to 32 tracks of audio
- Needs to be able to render high quality tracks
- Minimal latency
- Able to run some of the less graphic intensive games out now
- Easy on the eyes for extended periods of time

Oh, I'm also an amateur filmmaker, I love filming, editing, and producing, etc.Would you guys suggest the i5? i7? Oh, and what clock speed does the 2.93GHz i7 run at when in turbo-boost using all cores?Oh, and what's the resale value of the iMac compared to the MBP? I heard the MBP retain pretty well, is the same true of iMac's?

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IMac :: Itunes And Safari Running, Enable The Visualizer Imac Is Noticeably Slower?

Dec 31, 2010

System Spec: Late 09 21" 3.06, GeForce 9400, 4gb ramCurrently I have itunes and safari running, if i enable the visualizer my imac is noticeably slower, especially when browsing the internet.I thought it might be the fact I was running a second 1080p display from the 9400 would have caused the slow down. But the same thing occurred after i disconnected it. After repairing permissions and restarting, pmram etc.Is the 9400 causing the slowdown? I know its fairly old but itunes visualizer and safari should be quite basic tasks. Its not the end of the world i know but does the 27" imac have similar issues as i plan to upgrade my machine in 2011.

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IMac :: Slow Wireless N Site Lookup For New IMac And Linksys WRT610N Router?

Aug 12, 2008

I had a DLink DIR-655 Wireless N router and my wireless was running very fast, 9.7MB using [URL] with no lag looking up sites. I had to upgrade the router since I was hosting a site and the router wasn't working properly for that.

So, I bought a Linksys WRT610N Dual Band router. I have the iMac running on the 5GHz band and it runs around the same speed.

HOWEVER, when I open Safari or Firefox, in the status bar, it says "looking up google.ca..." or whatever site I'm browsing for and can take up to 5-10 seconds before it starts to display the site. When it is on the site, browsing around is fast as long as it doesn't change domains.

ANOTHER HITCH, I have VMWare's Fusion installed on the iMac and Vista installed there and there is no lag to browsing a site. When I type in the site, it immediately goes to the site and I am able to browse fine.
Any thoughts on this?

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Mac Mini :: Migration Assistant To Transfer The Programs To My IMac Without Losing Data On IMac

Sep 11, 2008

The Mini Has Some Great Software On it, Could i Use Migration Assistant To Transfer The Programs To My iMac Without Losing My Data On My iMac? Or is There Any Other Way?

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IMac :: Windows Aero Not Working In Boot Camp-2009 IMac GT120

Mar 28, 2009

I think it worked at one point, but sometime around the point when I set up Fusion with the partition, Windows Aero turned off and is no longer an option in the display settings. I installed this driver with the modded INF to see if it would do anything, but Aero is still not an option. I also have issues playing some games in Fusion, while they work fine in Boot Camp.

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IMac :: Yellow IMac Display/Apple Executive Care No Solution Not Fixed?

Dec 29, 2009

I sent an email to Steve Jobs about my yellow tint 21.5 iMac issues (three exchanges, all affected, resulting in a refund). I got a call from Dena at Executive Care within 24 hours.

She said they are aware of the problem and do not know how widespread it is. According to Dena, the issue is not resolved and that ordering a new iMac will not result in a fixed display.

She said the engineers are working on it now and they are not sure if it's hardware (most likely) or software related. Further Apple stores cannot do repairs because they haven't determined what the issue is.

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IMac :: Does 24" Alu IMac Have Regular Sata Port For Optical Super Drive?

Mar 1, 2010

I have been reading and reading but I can't seem to find the answer. Im trying to figure out if the optical drive for the iMac has a slimline sata connector or a standart sata connector. Reason is I'd like to install an SSD and use an optibay adaptor.

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IMac :: Help! IMac 21.5" (Late 2009) Showing Slight Yellowish Tint!

Jul 24, 2010

Hey guys! So just a few days ago, I received my iMac, and boy do I love it. A definite upgrade and improvement from my old Acer Aspire 3680.

But despite this, I have noticed that my iMac does have a slight yellowish tint at the bottom to corners. I just arrived at my desk, and the login window (I keep a password lock) had a slight yellowish tint when I woke up my iMac from sleep . I then noticed that the bottom two corners had a slight yellow tint to them. I verified this via the MacRumors Forum post, and I was able to find it out by making my desktop background white. Again, it may not seem noticeable at first, but if you examine it closely, it becomes apparent.

I've already called my local Apple store and one of them said that don't know about this issue (?) and that they could schedule an appointment for me. I declined because I have to have me parents take me and I'm pretty sure that I can't handle the load of carrying a 20lbs. computer w/o dropping it (yikes!).

So here's the big question, should I go to my local Apple store or call the Apple hotline when it's open (currently closed at the time of this thread)? I don't want to sound like a lunatic or someone that just wants to get a better iMac for free. Again, it's slight, but considering that I do movie editing and Photoshop work

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IMac :: Front Page Are Always More Tilted Towards Negative - Rate The IMac Update?

Mar 3, 2009

Since the positive/negative ratings on the front page are always more tilted towards negative, rate the iMac update by stars here. Feel free to add a comment explaining your rating, or what could've made it better.

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IMac :: Unable To Open IMac Memory Cover - The Screw Won't Turn.

Oct 25, 2009

I don't know what the deal is. I'm trying to install 2 sticks of 2GB into my 7,1 iMac, and the screw just won't turn. I'm using a standard Phillips head, and nothin' doin'. The screw is now starting to strip, so I guess I'm going to have to take this into the friggin' Apple Store just to have them open the thing.

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IMac :: Imac 27" Brief Mechanical Ejection Sound From Dvd Drive When Booting Up

Dec 2, 2009

Had a quick question. I'm on my third 27" stock 3.06Ghz imac that was replaced yesterday. The good news is that so far it doesn't seem to have any of the problems of my previous two 27" imac's. There is one thing though. A couple of seconds after pressing the power button to bootup there is a brief mechanical sound from the dvd drive like a quick ejecting sound even though there is no cd in the drive. My first 27" imac dvd drive made the sound but the second imac 27" Imac I had didn't. Is this sound normal? Would be curious to know why two out of the three 27" Imac's I had make that noise.

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IMac :: BUG Report. 27" IMac Problem With Photoshop CS4 Window Zooming?

Mar 30, 2010

I have found a bug with the 27" iMac (i upgraded from a 24" imac. stupid move.?)when I zoom in on an image the window with go on the RH side to the iMacs max screen width. in that it hides the scroll bars behind the Pallet and side menus and options.Has anyone else had this problem.?has anyone else found a cure for this also.

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IMac :: How To Delete A User From IMac After Reboot, Using Os X Install Dvd To Reset Keychain

May 25, 2010

I forgot my admin password on my iMac recently and so i used the reboot with OS X snow leopard install disc to reset the keychain, but now on my login screen, it used to be just my account name, there is one called "Other" so i went into accounts in system preferences and tried to delete it but it isnt there?is really annoying me p.s. the "other account" isnt actually an account it says "Other" and when you click on it asks for your username and password...so i type in the admin accounts name and password (admin account is the only one on this computer), and it just opens up my admin account.

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Software :: G5 IMac Not Starting Up/after A Few Seconds The IMac Stops The Start-up Routine

Nov 16, 2008

I have a G5 iMac - 2.1 ghz, 20", 250gb hd and 3gb ram, but it has been having problems starting up and it is also going to sleep midway through a task or at random times totally unprompted.

It now almost never starts up first time (I keep the iMac mains power lead always connected and the mains electricity supply turned on at all times now)- sometimes I will get the 'Start-up Chime' and then the cooling fans start spinning very loudly and then after a few seconds the iMac stops the start-up routine, but often when I try to start-up I don't even get the 'Start-up Chime' and I have to leave it for some time before trying again.

I can also now only get the iMac to run as a Firewire Target Disc by starting up with the T key held down and then using an old G4 (400mhz) Powerbook Titanium as the screen/keyboard by using the iMac HD as the startup disc for the Powerbook but this is obviously just a temporary work around.

I have also tried backing up all my data, and reinstalling the Mac OS X onto the iMac but the iMac still will not start-up normal and I still have to use it just as a Firewire HD.

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OS X V10.6 Snow Leopard :: Transferring Files From Older IMac To Newer IMac?

May 3, 2012

Have a new (for me) iMac and need to transfer all 10.4 files including mail, etc.from an older iMac to my newer one whioch is running 10.6. 

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IMac :: Intel IMac Cannot Manage To Remove A Linux Boot Disc From The Optical Drive

Nov 1, 2009

I'm using a 20" white intel iMac and cannot manage to remove a linux boot disc from the optical drive.At first, the only way that i managed to boot to the linux disc in the first place was from the Startup Disk menu in OSX. I could not even get to the Startup Manager ('opt' at boot) or boot straight to the disc ('C').Now i'm in a position where no matter what i do, the system boots to the linux disc. I cannot even force the startup into OSX to try to eject the disc from there. I've tried holding all of these keys/combinations at startup

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IMac :: Imac 27" I5 Graphics Show Green Bars

Sep 1, 2010

Just got a refurbished 27" Imac I5 with the Radeon 4850 yesterday.This happened twice yesterday, so today, when I powered on I had my blackberry ready to record.As you can see theres a large green band (yesterday it was accompanied with a red one) that spans the vertical aspect of the screen. The bars disappear after 30-1min.I've tried searching and haven't found anyone with a similar problem. http://www.youtube.com/watch?v=mGK3LYb23mc

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IMac :: 2006 IMac Versus 27" Power Consumption?

Oct 24, 2010

I just found this environmental report for the 27" iMac's on Apple's web site, which lists the amount of power they use when off/asleep/idle.

There doesn't seem to be a similar document for the Late 2006 iMac's. I'm just wondering if anybody knows the power consumption stats for the older iMac's (the 20" model in particular) - I'm interested to now how the newer models compare as I'll be buying one soon.

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IMac :: Upgrading White Intel IMac Processor. 17", 1.83 Ghz

Nov 7, 2010

I've been researching for a while on upgrading my white intel iMac from a "Core Duo" processor to a "Core 2 Duo" processor. The processor I would like to use is a Intel Core 2 Duo Mobile T5750 processor, which would give me 2 additional cores as well as a small speed bump from 1.83 ghz to 2.0 ghz. I figured compatibility should be fine considering the FSB speed (667 Mhz) is the same. Has anyone tried this? Can anyone tell me if this will work for sure?

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IMac :: IMac 27" I7 2.93 Slower Then Old MBP - Disk Accessing Data All Day

Dec 3, 2010

Got my new iMac 27" i7 2.93 for three weeks ago. Everything was kind of fine but now everytime i boot it starts to write to the disk, and since you really can hear when the machine writes to the disk, it's obvious when it does it. The disk is a WDC WD1001FALS-40Y6A0

- I turned of spotlight indexing, rebooted, 30 minutes later it was still writing like there was no tomorrow.

- Checked Console.app, just Google Chrome trowing messages (which is running slower then on my old MBP Santa Rosa 5400 rpm).

- Ran disk utilty repair permissions, still no luck.

- Used Lingon to get rid of **** at startup, still no luck.

- No disk encryption.

The bottom line: The machine runs slower, boots applications slower and functions slower then my old MBP 2.4 ghz Santa Rosa 2007 with a 5400 rpm hdd. I tried to run a blu ray mkv from the internal disk, stuttered as hell and didn't work despite VLC being the only open application. Then i ran it from an external 5400 rpm Firewire drive and it worked flawlessy. What is up with this? Shall i reinstall and empty my disk?

Is there any software for checking what applications is currently writing to the HDD?

Screenshot from my activity monitor.

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PowerPC :: PM G5 From IMac Core Duo - Macbook Beats Imac In Everything Except Graphics?

Sep 30, 2006

currently i have a blackbook and imac core duo, 17 ". My macbook beats the imac in everything except graphics. Before i got my imac i seriously considered a g5 dual 2.0, but the money wasnt there. I see an apple refurb dual 2.0 for 1599, and im sure i cud get one a lot cheaper used here or on another board. How much of a performance increase will i see IN APERTURE going to the PM, if any? i would need a good increase to justify it, and eve then im not sure my parents would be ok with me spending a few hundred bucks to upgrade

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IMac :: Apple Ever Gonna Include An ESata Port On The IMac?

Jun 24, 2007

I've read some reviews of eSata external drives and it seems to be better than FW800. What are the odds Apple is gonna include an eSata port on its next-gen iMac?

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IMac :: 2.8 Imac's External Portion Feels Extremely Hot - Use SMC Fan Control?

Jan 10, 2008

I'm new here and was hoping for some feedback. I got a new 2.8 Imac and had it replaced after the Power Supply Position was idling at 82 degrees Celsius, and the top of the case felt very hot to the touch. The fans never "kicked in" even though it was that hot. Anyways, I got a replacement machine and the Power Supply Position now idles at about 68-70 degrees Celsius (much cooler), but the external portion of the machine still feels extremely hot. So my question is, how hot is too hot?? Is my machine normal and am I worried about nothing?? Should I be using SMC Fan Control?? Is the heat because of the 2.8 processor??

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IMac :: New 20" 2009 IMac - Fan Speeds Normal Or Too Fast?

Apr 27, 2009

Specifically the hard drive fan runs at 1600rpm and the optical fan always runs at 1350 rpms.

Those fans run faster than my 2007 24" 2.4ghz iMac.

Somehow I figured with the cooler running ddr3, 9400M igpu and better cpu architecture that this new 2009 20" iMac would be dead silent because the fans would barely have to run. Or at least be less noisey.

But that's not the case.

Anyone have any fan speeds to report on new iMacs? Particularly the 20" model?

Download the iStat Pro widget and report your fan speeds today!

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