Apple IMac MB418LL/A 24-Inch Desktop Suddenly Turned Off

Apr 10, 2012

My iMac MB418LL/A 24-Inch Desktop suddenly turned off and now doesn't respond to the power button even after the SMH (right acronym?) reset procedure.

Info:
iMac

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Name : WD Media
Type : Disk

Partition Map Scheme : Unformatted
Disk Identifier : disk1
Media Name : WD Media
Media Type : Generic
Connection Bus : USB
USB Serial Number : 202020202020202020202020
Device Tree : IODeviceTree:/PCI0@0/EHC2@6,1
Writable : Yes
Ejectable : Yes
Location : External
Total Capacity : 2.2 TB (2,199,023,255,552 Bytes)
S.M.A.R.T. Status : Not Supported
Disk Number : 1
Partition Number : 0

I have stuff on it that I'd rather not lose, any advice

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May 3, 2012

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Info:
MacBook

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Info:
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Intel Mac :: Turned Off Suddenly And Not Responding To Power Button

Apr 10, 2012

My iMac desktop (purchased new in 2009) suddenly turned off this morning and won't respond to the power button even after the attempted SMH (right acronym?) reset.

Info:
iMac

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MacBook :: Screen Turned White Suddenly Even Restart The System?

Mar 27, 2009

i had the macbook Core 2 Duo for About 8 months and it was working great.yesterday i left a file download in firefox for 5 hours then went back to check on it , it was working FINE, Then i got Back after 2 minutes and the screen is suddenly white and not showing anything!i shut down the laptop and restarted , there was a chime and just white screen...i connected the laptop to an external monitor AND EVERYTHING IS WORKING on the external screen but the laptop screen is white!!!i tried resetting the PRAM and i tried resetting the SMC twice but nothing Changed

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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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Apr 11, 2012

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Info:
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Mar 27, 2009

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May 5, 2012

Ok so i have one of the 2011 Imac desktop models so i didnt get the dvd's. I want to know how to restore/format my computer and start over because its been running really slow lately. i was told by a apple consultant that if you hold in the "option" key on startup of the computer that it will bring you to a point where you can restore but i dont know what to do from there. how to restore/format my Imac so that its like when i first bought it. Lastly i would like step by step instructions on how to do this restore/format. I dont have any important files so im prefectly fine with erasing everything. 

Info:
iMac, Mac OS X (10.7.3)

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Oct 5, 2008

So I was just using my computer normally when I was suddenly having an issue where I could not click on anything. I was forced to hard restart but it did not help. I am still able to navigate with the trackpad or my mighty mouse (wireless) but clicking with either does nothing.

After some searching I have reset the pram multiple times and have also done command+S at boot and run fsck. Resetting the pram worked once, but only for maybe 5 minutes. During that time I ran a permissions test, it corrected 2-3 things but that is it. I have tried booting from the leopard cd but it spits the cd out.

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Apr 23, 2012

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Jun 9, 2012

I just got my IMac. I have no clue what happened it was working fine. In the morning when I turned it on it just went blank turned on to a white screen with an apple on it and nothing else is happening.

Info:
iMac

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Jun 4, 2014

When attempting to turn my Mac Pro on, all I receive is a fast flashing Apple logo.  I can't get to my desktop. It appears frozen here.

Info:
iPad 2

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Mar 28, 2009

I did a reboot and suddenly realized that half of my icons on the Desktop are missing. I had a look into the folder and they were missing there, too. I looked into Trash, nothing. Being completely puzzled I rebooted again, with the result that now the Desktop is completely empty! It shows only the HD icons. None of my files are in the Trash. Nothing in the Desktop folder in Finder. ls -al doesn't show anything, only an empty file '.localized'. No other folder in my home directory seems affected. And no, I did not play with 'rm *'. I didn't install any fancy software recently (except Byki Express, not sure if that's important). I'm on a new unibody MBP 15", Leopard. Any ideas what I could do? And how to recover the files? I thought I should add that I also also searched the HD, just in case I accidentally moved the files.

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