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Support - Discussions - Mini DisplayPort to Dual-Link DVI ...

HardMac.com found this 12/22/2008 on discussions.apple.com

I just got the new Mini DisplayPort to Dual-Link DVI adapter. It works fine visually on my 30 inch Cinema HD display, but now my mouse cursor is jumpy. Every few seconds as I drag my mouse, the cursor jumps 5-10 inches, making it hard and frustrating to use. I tried swapping out mice (external ...