My dual link DVI is acting like a single DVI

tomplant · Jan 15, 2013, 07:59 PM

Hi,
I have a Dell 3007WFP 30" monitor that I have hooked up to my Macbook Air (2012). For some reason, I can only get 1200x800 resolution. In looking through the threads for the same problem, it seems as though this happens to people when they don't have a dual link DVI cable. But I do have one - is there any other reason the Air wouldn't be able to get the monitor to full resolution?

I've looked for new drivers and there aren't any I can find. Any suggestions?

Thanks,
Tom

Intell · Jan 15, 2013, 08:06 PM

Do you have the dual link DVI adapter for your Air? Is it the Apple one?

tomplant · Jan 16, 2013, 08:24 AM

Yes, I have the apple adapter. I ordered another just in case it was the adapter (not an apple one) but the same thing happened.

xraydoc · Jan 16, 2013, 08:10 PM

Does that display have a DisplayPort (full size) port on it? If it does, just get a DP-to-mDP cable. $10ish from Monoprice versus $100 for the Apple adapter.

Jan 15, 2013, 07:59 PM	#1
tomplant macrumors newbie Join Date: Jan 2013	My dual link DVI is acting like a single DVI Hi, I have a Dell 3007WFP 30" monitor that I have hooked up to my Macbook Air (2012). For some reason, I can only get 1200x800 resolution. In looking through the threads for the same problem, it seems as though this happens to people when they don't have a dual link DVI cable. But I do have one - is there any other reason the Air wouldn't be able to get the monitor to full resolution? I've looked for new drivers and there aren't any I can find. Any suggestions? Thanks, Tom
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Jan 15, 2013, 08:06 PM	#2
Intell macrumors G4 Join Date: Jan 2010 Location: Inside	Do you have the dual link DVI adapter for your Air? Is it the Apple one? __________________ Last edited by Intell; Yesterday at 11:50 AM.
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Jan 16, 2013, 08:10 PM	#4
xraydoc macrumors Demi-God Join Date: Oct 2005 Location: The first state	Does that display have a DisplayPort (full size) port on it? If it does, just get a DP-to-mDP cable. $10ish from Monoprice versus $100 for the Apple adapter. __________________ 2.93GHz i7 27" iMac • 1.8GHz i7 11" MacBook Air • 2.5GHz i5 Mac mini + 27" Thunderbolt display 2.66GHz quad-core Mac Pro + OS X 10.7 Server + 6TB RAID 5 • AirPort Extreme • iPad 3 & mini • iPhone 5
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Jan 16, 2013, 08:24 AM	#3
tomplant Thread Starter macrumors newbie Join Date: Jan 2013	Yes, I have the apple adapter. I ordered another just in case it was the adapter (not an apple one) but the same thing happened.
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