After upgrading to Leopard, installing a 500 giga external drive for effortless time machine...
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After upgrading to Leopard, installing a 500 giga external drive for effortless time machine backups, and a 2.0 gb ram expansion to 2.5, this week I connected an outside monitor to my iMac (a 20 inch Samsung 2043 NWX with a pixel resolution of 1680 by 1050).
It works great. Here is the problem: As my iMac only has display mirroring capabilities (it does not have extended desktop that is available in later models), I cannot turn of the built in display, nor can I toggle between the two.
There is a third party patch that claims it gives my iMac extended desktop, but I do not like to install third party patches on my iMac. Heck, at this point I'm not even sure that with extended desktop I could turn the internal display off to begin with.
The native graphics support card is quite capable: ATI Radeon X600 Pro graphics processor using PCI-Express and a maximum resolution of 2048 by 1536 pixels. The status shows it is presently supporting two displays simultaneously: One at 1440 by 900 pixels (my native iMac display), and another of 1680 by 1050 (my 20 inch Samsung).
I tried dimming the display but the control is disabled whilst on video mirroring mode. I tried playing with the internal monitor set up but I cannot set the display to zero using this option either.
Let me know your thoughts please. Best regards, Roberto A. Lovato
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