I have grey sections on my 24" iMac monitor

I uploaded a video of it here: http://www.youtube.com/watch?v=qASfhQbh9xc
Any one see this before?
Thanks,
Rob

Contact AppleCare's Express Lane. Do note that if you're within 50 miles (80 KM) of an Apple repair station, you're eligible for onsite repair since yours is a desktop machine.
I had mine replaced when that was happening on the screen's left-hand side.

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Contact Apple Support > Apple - Support - Contact Apple Support or your local Apple Service Provider > Apple - Support - iMac - Service FAQ and make an appointment to have it looked at.
Dennis

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Nice thing is that getting the screen replaced isn't too big a problem, but the installation process really requires an Authorized Tec.
Are you still on AppleCare?
http://www.macpartsonline.com/imac-parts/imac-aluminum-27-inch.html
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Have installed 10.10 on my iMac (mid 2007) 2.4 GHz 2Gb memory which has slowed to a crawl

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1. a. Resetting your Mac's PRAM and NVRAM
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2. Restart the computer in Safe Mode, then restart again, normally. If this doesn't help, then:
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4. Reinstall Yosemite: Reboot from the Recovery HD. Select Reinstall OS X from the Utilities menu, and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible
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5. Reinstall Yosemite from Scratch:
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
How to Clean Install OS X Yosemite
Note: You will need an active Internet connection. I suggest using Ethernet if possible
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I have grey sections on my 24" iMac monitor

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