macbook pro 2010 and dell u2711

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Level 1

13 points

macbook pro 2010 and dell u2711

For some reason my new MBP i7 is only allowing me 1920 x 1080 rather then the 2560 x 1400 the screen supports. The crazy thing is my VERY OLD 2007 2.33 did that resolution just fine.

Anyone have any idea why this is happening? I know that the GeForce GT 330M supports up to 2560x1600 for Maximum Digital Resolution.

On a configuration note: I am currently using the Apple Mini DisplayPort to DVI connection cable, but have a DisplayPort to Mini DisplayPort cables on order since the Dell has a DisplayPort on it.

MBP 15" 2.66 i7/4Gig RAM 500HD/7200, Mac OS X (10.6.3), Docking with Dell U2711

Posted on Apr 24, 2010 7:30 AM

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Answer 1

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BSteely

Level 5

7,643 points

Apr 24, 2010 7:35 AM in response to drbroom

On a configuration note: I am currently using the Apple Mini DisplayPort to DVI connection cable, but have a DisplayPort to Mini DisplayPort cables on order since the Dell has a DisplayPort on it.

Bingo! You need to run the Dell over DisplayPort directly from your new Mac. The Apple Mini DP to DVI Adapter does not support dual-link DVI, which is a requirement for 2560 x 1440 over DVI. Your old Mac had a dual-link DVI output.

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Answer 2

drbroom Author

Level 1

13 points

Apr 24, 2010 7:39 AM in response to BSteely

Thank YOU!!!!!! I didn't realize that it was the dual-link dvi support that was the issue!

Your are a GOD 🙂

PS thanks for the quick reply

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