![]() Something should happen when pressing those buttons, even if just an error message of some kind. If the display is working at all - you should get a test image on the screen, maybe with a DELL logo, or just a small window telling you there is no video found.īe sure to try pressing each button along the right side, just to see if anything appears on the screen. ![]() Does the power light (usually in the lower right front corner) come on at all? Plug in the power cord - with NOTHING else connected to your display, just power. It might be best to unplug the power cord for a few seconds. You have tried a couple of different cables, so one way to test a possibly-failed display is to unplug ALL video cables. I missed that, even though that was exactly what you said. I did not notice that your display did not come on at all, and stays completely black. Thanks in advance because I have a little desperate situation here. So If someone have an idea I would really appreciate that. My Macbook pro knows that it has a the Dell connected and it's giving the 2560x1440 signal. If this doesn't work either, anyone has experience with (incredible expensive!!!) Mini Display Port to DVI Dual link adaptors? Because I have read the Apple One is not a reliable converter.Īnd, of course, I know that the issue comes from the Display port in Dell U2711. ![]() Someone told me that maybe is an issue with the pins of the cable, etc.and that with a Mini Display Port male - Display Port female and then connect the cable that Dell provides (DP - DP) things works better. I have an nvidia Geforce 9400M (latest drivers, etc.) working with Snow Leopard.I have the famous situation about "Entering in power safe mode", etc. I was reading some people said that this cable (Mini Display port male - Display Port Male) is going to work. I need to connect Dell U2711 to my mac book pro (with only a Mini Display Port), max.
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