Software :: New 24 Inch Intel IMac Won't Start?

Jun 22, 2009

I just got the new 24 inch intel iMac yesterday and it was working fine until tonight. I installed Skype and as I was using it, the computer froze and said I had to restart. So I did that. It happened again, but this time, it wouldn't restart. It went grey and kept making loud beeping noises. I looked up what could cause this and it said that if the RAM was upgraded improperly this could occur. The problem is, I never upgraded the RAM. Its been working fine for the past day until now. What should I do?

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IMac :: The New 27-inch IMac Uses Up To 365W Versus 280W For The Old 24-inch!

Oct 20, 2009

The new 27-inch iMac uses up to 365W vs 280W for the old 24-inch! (going by Apple's published max. power consumption numbers. I doubt they would lie because it isn't exactly favourable for them to put in falsely high numbers in an environmental report).

That means there's some extra beef behind the extra components. Perhaps the ATI 4670 is a bit overclocked and the 4850 runs a bit faster than the old iMacs? Admittedly that 2.8 GHz i7 is going to suck a fair bit of power - the recent 2.8 GHz i7 860 model runs at a 95W TDP, however, the quad core iMac isn't available until November. So it won't be using the i7 860, and my guess it is using another custom processor, something a bit more power efficient, somewhere in between the 55W TDP of the old iMacs and the 95W TDP of the i7 860.

The difference between the power consumption of the two computers is 85W. The old iMac had a 24-watt digital amplifier, this new one has two 17-watt amplifiers. That brings the delta down to 75W. Say the iMac's i7 processor has an 80W TDP. That now brings the delta down to 50W. The new display likely wouldn't increase power consumption because of the LED backlight.

I'm not sure if I'm missing much (OK, two extra RAM chips may use another few watts), but there is still a fairly massive 50W unaccounted for.

Just a bit of fat to chew on

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IMac (Intel) :: 27 Inch - Screen Randomly Goes Off?

Jun 2, 2014

I have a 27" iMac. Just recently, the screen has begun to randomly shut off. I then have to squeeze the power button, followed by a click of the mouse. This will bring me back to my password screen. Sometimes, that would be it, other times, it will do it repeatedly, for no reason, and then settle down. 

Just for those of you who are bound to ask me about my Energy saving settings: Computer to sleep – Never. Display to sleep – 15 min. 

It seems to me that this could be a hardware issue, but just incase any of you have had any experience of something similar, I thought I would ask. 

Info:
iMac, OS X Mavericks (10.9.3), 27: iMac 2.7GHz Core i5

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Hardware :: Panel Used In Apples 24 Inch Cinema Display Is The Same As The 24 Inch IMac?

Sep 12, 2009

Does anyone know if the panel used in Apples 24 inch Cinema display is the same as the 24 inch iMac?

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IMac :: Base I3 27 Inch Or A Refurbished I5 Quad Core 27 Inch

Jul 29, 2010

Hello everyone, I'm currently looking to buy a 27 inch imac and can't decide whether to get a base i3 27 inch or a refurbished i5 quad core 27 inch. With the i3 I can get the student discount and qualify for the ipod, but the i5 is 23% off right now. Which should I get? Also is there a benefit of getting a 5 series graphics card over a 4 series graphics card?

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IMac :: 20 Inch 2ghz Intel Core Duo White Not Booting

Sep 23, 2009

hey my friend is having a problem with his imac when he turns it on he gets a grey screen and stops there. there is also a grinding noise near the back maybe the hd or disc drive? it grinds 10 times then stops then continues for a couple minutes and then he gets a question mark on the screen.

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Mac :: CPU Options For 1st Generation Intel IMac - Early 2006 20-inch

Aug 21, 2010

I have 2 questions:1) I have a 2.GHz Core Duo CPU. I read that this model has a socketed CPU that can be replaced. Is this true?2) If yes, how fast can I go? Can I use the new Core i3 CPU?

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IMac (Intel) :: 27-inch Mid 2011 Suddenly Very Slow Especially Safari

Aug 26, 2014

mac suddenly very slow especially safari

Info:
iMac (27-inch Mid 2011)

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IMac (Intel) :: Grey Green Tint Over Entire Display / Early 2009 24 Inch

Jun 25, 2014

early 2009 Intel iMac 24". OS 10.6.8. 

Working in Excel today, I was highlighting groups of cells with color when the entire screen suddenly had a pale grey-green tint. Can still see colors beneath, but everything tinted (not just the Excel window, but the entire display). White, of course, is most dramatic. The Dell monitor beside it is fine. 

I've recalibrated color a half dozen times (have always had to do that to get the Dell and iMac screens as similar as possible). It's impossible to get white on the Mac.  Rebooted several times, including hard boot, zapped the PRam, ran Permissions Repair and Disk Repair from the startup CD. Installed Temperature Monitor to see if there's a heat problem, but I could not find normal temp values anywhere on the Web, so that was something of a bust. Temps attached below in case there's an educated set of eyes out there.... 

Ran some online tests, too, for color distortion, dead pixels, that kind of thing, but nothing reveled. 

I've been all over the Web looking for some guidelines, but most posts at apple and elsewhere seem to focus on later-model iMacs with the yellow lower screen problem when new (It's not that) or panic screens of wild colors, stripes, and the like. This is just a grey-green tint that covers the entire screen, rendering whites grey-green and colors muddy.

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IMac :: 21.5 Inch Versus 27 Inch

Nov 18, 2010

I got a MacBook Pro back in April, my first Mac.

I love it so much. I'm really into video editing and HD video, but the problem is that my MBP is running out of harddrive space, and I'm longing for a bigger display and a better processor. (I have the 13" C2D). I'm going to pick up an iMac this Spring. But I wanted to know if I should stick to the Core i3 21.5, or spend more and go for the 27 inch.

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MacBook Pro :: 13 Inch Does Not Start?

Feb 23, 2012

MacBook Pro 13 inch does not start. A DVD is stuck inside. "CMD-eject" does not get the dvd out. When starting, it never goes further then the starting page with the Apple logo end the waiting mark. What can I do?

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IMac :: Intel IMAC Wont Start - Monitor Blank?

Jun 11, 2009

I have an Intel IMAC, which is now out of warranty as I have had it for 16 months (and I was dumb enough not to get AppleCare). A few days back, my computer would not startup and everytime I hit the power button, I would hear some spinning noise but no chime from the iMAC. Yesterday, I tried it again and this time I heard the chime but the monitor did not start. I was then able to SSH into the MAC and see that it is indeed connected to the network and booted up, but the screen is still dead. Any ideas what I should do before the painful trip to the apple store ?

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IMac (Intel) :: G5 / Intel OS 10.6 System Does Not Start Up After Connecting New Router

Jun 28, 2014

After connecting the imac to a new router the system hung completely up. After each input, e.g. opening preview or a browser, the coloured turning disc appeared and nothing happened anymore. Several restarts, also in safe mode,  were unsuccessful. I could not switch to another user.  Restart is only possible at all from installation disc but thereafter problem remains the same.

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IMac :: IMac 20" Won't Start (intel-2007)?

Jan 4, 2010

Yes I plugged in the block heater.....
Tried to reset the SMC (apple's only advice)
Tried to kick it into boot menu... no luck

managed to boot to Leopard install disk. backed into Disk Utility.... Verify System Disk produces: "Invalid B-tree node size...Disk Verify / Repair fail".

too bad too sad... no more information.

I don't know enough to know whether this is a SW failure or a drive failure, and my searches has led me here.

Also, my very first post in a forum, I read the rules and I hope I have found the right forum for this query.

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IMac :: 27 Inch IMac Display Versus 27 Inch Cinema Display?

Jul 27, 2010

Is the new 27 inch cinema display any different the the displays on the 27 inch iMac??

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IMac (Intel) :: Red Screen On Start Up

Jun 3, 2014

my new imac has recently been displaying a red screen for a split second on startup, does this indicate a problem or not. I'ts my first mac so I know very little about it being a regular pc user.

Info:
iMac, OS X Mavericks (10.9.3)

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IMac (Intel) :: Set Password On Start Up

Aug 25, 2014

The computer was my friends old one, which she gave to me as a gift. I'm trying to set a lock/password on it but it won't let me set one without the old password, which she doesn't know.

Info:
iPod nano, Other OS

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IMac (Intel) :: 2010 Won't Start Up?

Sep 12, 2014

I have a 2010 iMac that won't start when I press the power button.  No chime, no fan running, nothing.  I tried unplugging it and plugging it into a different power source which made no difference.  I made sure the power cord connections are good.  We recently had an 8 hour power outage at my house and this is the first time I tried to power the iMac up since the power outage (it was working fine prior to the power outage).  Of note, my husband's iMac started up fine after the power outage.

Info:
iMac

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IMac (Intel) :: How To Always Start Up In TGM Mode For Mac Pro

Jun 24, 2014

Can I make my iMac always start up in TGM mode for my Mac Pro? Such as keeping it in TGM mode all the time

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IMac :: 27 Inch 3.06 Core 2 Duo Model Versus The 27 Inch 3.2 Ghz I3 Model?

Jul 29, 2010

I am trying to decide which of these two 27 inch imacs I should buy:

27 inch 3.06 core 2 duo model

27 inch 3.2 I3 model

Is the 27 inch 3.2 ghz I3 model a better value in terms of increased computer and graphics performance and is it better to get the 2nd generation model because of prior issues (i.e. yellow tinge)?

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IMac (Intel) :: Resolution Resetting On Start Up?

Dec 10, 2014

I am running into an issue that the screen resolution of my imac keeps resetting to scaled 1600*900. I can use system preferences to change this to 1080p but every time I restart the computer it is back to 1600*900.  

I have tried clearing the PRAM, but it has not worked.

Info:
iMac, It is not OS specific

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IMac (Intel) :: 3 Beeps At Start And Still No Sign Of Life

Sep 8, 2014

I turned my iMac on (2008 model) but after 10 minutes it went black and beeped 3 times loudly, repeating at 5 second cycles.  Shut it down by pressing the ON button for 5 sec.  Restarted and all worked for a hour before repeating the same problem...screen and keyboard and touchpad all locked out....shut down with the ON button.  On restart it gave me the 3 beeps every 5 sec with an ALL BLACK screen...no hard disk whirring, either.  I don't know how to do cardiac massage on an iMac.  Is it dead?  Is it the processor?  Is it the video card?  Is it the hard disc? 

Info:
iMac, iOS 7.1.2

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IMac (Intel) :: How To Clear The Start Up Items For One User

Jun 3, 2014

is there a way to clear the start up items for one user, ox 10.9.3, only oner user fails out of three on iMac

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IMac (Intel) :: Whenever Start Up ITunes Skype Open Automatically

Aug 28, 2014

Whenever I start up my mac iTunes and Skype open automatically, how do I stop this?

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IMac (Intel) :: Doesn't Start / It Holds On Loading Drivers

Aug 20, 2014

My Imac 17" doesn't Start, it holds on loading drivers. i have bought it from Second Hand

Info:
iMac

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IMac (Intel) :: OS Won't Start But Windows Bootcamp Still Working Fine

Nov 30, 2014

My imac is around 4 years old and has been running both windows bootcamp and os x snow leopard for at least 3 years without any problems. My default operating system is mac and when I tried to turn it on this morning it gets stuck on the white screen with the grey apple icon and the loading icon spinning. Also a bar appears below this that I have never seen before.  I have tried opening the mac in recovery mode but it does not respond and goes to the same logo screen.  

I have tried holding the 'D' key down while the mac comes on and doing the apple hardware test but once the window pops up it does not complete the probing and appears to freeze just before its completion.  I have also tried booting in safemode but the script stops at these commands:

-launch tl: Please convert the following to launchd: etc/mach_init.d/dashboardadvisory.plist

-launch_msg(): socket is not connected 

However, the windows bootcamp is working fine and I can access my mac files from there.Also worth mentioning is that it is not a grey screen that appears on start up it is just the normal apple icon screen.  

Info:
iMac (21.5-inch Mid 2010)

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IMac Intel :: Unable To Turn On System / No Fans Start Up And The Screen Does Nothing

Jan 25, 2007

My parents recently bought an iMac. Yesterday my mom was playing a game when the computer froze. Neither force quit or holding the power button was doing anything so in her frustration she unplugged the system. Today, after plugging in the system again, it won't turn on.

I press the power button on the side of the wireless keyboard and the green light on the keyboard turns on for about 3 sec and then starts flashing. No fans start up and the screen does nothing.

Information:
iMac and Macbook Pro
Mac OS X (10.6.3)

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IMac (Intel) :: DVD Player Launches In Mavericks Using Recovery Mode Start Up But Not HD

Aug 26, 2014

Running mid-2009 iMac with latest Mavericks 10.9.4. 

DVD Player has been performing perfectly in Snow Leopard until this update to Mavericks. 

I've tried resetting SMC/NVRAM. Reinstalled Mavericks 3 times. Tried dumping the plist too. That did nothing. I've re-set SMC/NVRAM...done the Permissions using Disc Utility. 

I can get a DVD to load selecting the Recovery Mode StartUp disk. Then I reboot and the DVD plays fine using the DVD controls. But ejecting and trying it again - it won't play.  

Info:
iMac, Mac OS X (10.6.8)

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IMac (Intel) :: Start With Question Mark Sign On Gray Screen?

Sep 1, 2014

iMac start up... Why my imac start with question mark sign on gray screen

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IMac (Intel) :: Does Not Start / Mouse Freezes In The Left Corner Of Screen

Sep 4, 2014

My Mac does not start, the mouse freezes in the left corner of my screen and displays a block break?

Info:
iMac, OS X Mavericks (10.9.1)

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