Hi, I am currently having a problem with my mid 2009 13" MacBook Pro when using my Dell U2410 as an external monitor when connected via Mini DisplayPort to DisplayPort cable.
When I turn the U2410 off, the computer acts as if it lost the connection to it, enabling the display on the MacBook Pro. Which disabling to begin with is a rather painstaking process, since I have to close the lid and "wake" the computer from sleep by using an external keyboard. I also have to keep the lid open because the fan works better, and oddly, the bluetooth does as well.
I have also noticed that the computer doesn't immediately go to sleep with the lid closed when I turn the U2410 off. The apple on the back side of the lid will still be glowing indicating that the screen is lit. It will eventually go to sleep after sometime, though I don't know what triggers this.
I can't let my computer go to sleep because it stops my downloads, and I hate having to "wake" it back up. I have thought about just leaving the lid open and turning my MacBook's display brightness all the way down when turning off the U2410 so the screen is black and my computer wont go to sleep, but I will still have to go through the process of setting the U2410 to act as an external display.
I never had this problem when using a Mini DisplayPort to VGA cable.
Sorry if this doesn't sound clear. I am essentially asking if anyone else is having a similar problem when using DisplayPort with an external monitor and if not what kind of cable are they using. I know some have pin 20 connected in them, like mine. If this isn't the case, is there any way that I could set my U2410 up to be an external monitor rather than an extension of my MBP's display, other than the work around I mentioned earlier? Or even just moving my dock and menu bar to the external display would be enough for me, as long as the were restored each time I turn the U2410 off/on.
Thanks
When I turn the U2410 off, the computer acts as if it lost the connection to it, enabling the display on the MacBook Pro. Which disabling to begin with is a rather painstaking process, since I have to close the lid and "wake" the computer from sleep by using an external keyboard. I also have to keep the lid open because the fan works better, and oddly, the bluetooth does as well.
I have also noticed that the computer doesn't immediately go to sleep with the lid closed when I turn the U2410 off. The apple on the back side of the lid will still be glowing indicating that the screen is lit. It will eventually go to sleep after sometime, though I don't know what triggers this.
I can't let my computer go to sleep because it stops my downloads, and I hate having to "wake" it back up. I have thought about just leaving the lid open and turning my MacBook's display brightness all the way down when turning off the U2410 so the screen is black and my computer wont go to sleep, but I will still have to go through the process of setting the U2410 to act as an external display.
I never had this problem when using a Mini DisplayPort to VGA cable.
Sorry if this doesn't sound clear. I am essentially asking if anyone else is having a similar problem when using DisplayPort with an external monitor and if not what kind of cable are they using. I know some have pin 20 connected in them, like mine. If this isn't the case, is there any way that I could set my U2410 up to be an external monitor rather than an extension of my MBP's display, other than the work around I mentioned earlier? Or even just moving my dock and menu bar to the external display would be enough for me, as long as the were restored each time I turn the U2410 off/on.
Thanks
