I've had my Studio XPS 16 since August and quite enjoy it. About 2 weeks ago I purchased a new 27" Dell U2711 LCD to use with it. Long story short, hasn't worked yet. The DisplayPort on the laptop will not drive the U2711 at the optimum resolution of 2560x1440. It works at 1920x1080 but that's not really what I paid $1100 for LCD to do. I've tried the LCD with a Mac using DVI and it works fine at 2560x1440. I was told the DispalyPort on the laptop supported resolutions up to 2560x1600.
My question... Has anyone got the DisplayPort to work at a resolution above 1920? I've spoken with Dell support 5 or 6 times now, each time they a new solution to this problem that never works. I don't want to send this LCD back, but if it doesn't work with my PC I just can't justify the cost.. Dell wants me to test the DisplayPort on the LCD with another device but I don't have anything else with DisplayPort. I have tried using a DisplayPort to Dual Link DVI adapter and that also did not work.
Thanks for any advice.
Specs on the laptop, 8GB RAM, Radeon HD 4670 with the RGB LED screen, Core 2 Duo @ 2,66GHz