akiNikki Posted February 4, 2012 Share Posted February 4, 2012 Installed with Lion 10.7.2. My graphic card is Palit 560 Ti 1Gb. Everything works nicely except I couldn't get my 2 monitor to work. I've followed the guide to enable 5xx card and now I can set it to the highest resolution, but my 2nd monitor is unusable. My first monitor connected with DVI/DVI cable and so does the 2nd monitor. If I change the 2nd DVI/HDMI or VGA/VGA or VGA/DVI dongle, both of my display will be blank, until I unplugged the cable for the 2nd monitor, and the primary display will be available again. I've search through this forum and also tonymac, none has work so far for me. If anyone could suggest me something, I'm glad to hear. PS: I followed this guide and also this one which almost just the same, and both producing the same result. And I didn't use the ATY thingy as I figure I don't need it since my card is detected, just the display port are the one causing the problem. Thank you! Link to comment Share on other sites More sharing options...
DrP Posted April 9, 2012 Share Posted April 9, 2012 I am having same issues. I am running a Gigabyte GTX 560 Ti 1GB RAM. I am using both DVI ports with DVI cables only. I could not get this to work at all! Then last night all of a sudden on a reboot it started working!!! But I did not do anything but a hard reboot (OSX crash). I then rebooted into the OSX usb installer (######) to do a quick hdd image and even in the retail installer environment I had dual screen display!!! Then reboot back into OS still working. Then later on shutdown PC to go to bed. Wake up today, turn on PC, and what do you know... lost my dual screen display. Back to only one display at a time and not able to detect the other. WTF!!! This is driving me crazy! But it has to be possible as it was working with dual screens for over 6 hours. To be continued.... Link to comment Share on other sites More sharing options...
DrP Posted April 9, 2012 Share Posted April 9, 2012 when I unplug and replug the monitor thats not working osx does its display refresh thing when it detects monitors being plugged or unplugged, so the operation is working fine just no picture coming out to 2nd display. Link to comment Share on other sites More sharing options...
DrP Posted April 11, 2012 Share Posted April 11, 2012 Ok got it working!!! Via DSDT edit. Full resolution and full acceleration and DUAL SCREENS!!!! PM me if if this thread is even alive still. Link to comment Share on other sites More sharing options...
slackerz Posted May 7, 2012 Share Posted May 7, 2012 Can you tell me how to edit DSDT? Link to comment Share on other sites More sharing options...
joot Posted May 7, 2012 Share Posted May 7, 2012 Don't you just hate it when someone has a solution and does not post it for the rest of us? They somehow drops off the face of the earth after they found the solution. Do they want us to beg or send them money first ? 1 Link to comment Share on other sites More sharing options...
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