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New to Mac here.
I have a brand new iMac 21.5" running Snow Leopard. Everything is updated.
I also got a 2nd monitor for it on the same day.
The monitor is a 21.5" ACER (S220HQL).
I have plugged it into the Thunderbolt port on the iMac using a DVI cable into a mini display port connector.
I then click Detect Displays in system preferences> display
The monitor is picked up and they share the screen. I can move the mouse and items between the two.
However, the ACER monitor is showing everything in NEGATIVE! The monitor is fine as everything else shows up okay. But the image is reversing all the colours!
Any ideas, hints or tips? Or what I should try next?
Any help greatly appreciated
I have a brand new iMac 21.5" running Snow Leopard. Everything is updated.
I also got a 2nd monitor for it on the same day.
The monitor is a 21.5" ACER (S220HQL).
I have plugged it into the Thunderbolt port on the iMac using a DVI cable into a mini display port connector.
I then click Detect Displays in system preferences> display
The monitor is picked up and they share the screen. I can move the mouse and items between the two.
However, the ACER monitor is showing everything in NEGATIVE! The monitor is fine as everything else shows up okay. But the image is reversing all the colours!
Any ideas, hints or tips? Or what I should try next?
Any help greatly appreciated