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1. Video card for mac for 2 displays drivers#
2. Video card for mac for 2 displays pro#
3. Video card for mac for 2 displays Pc#

Plug your two (or more) monitors into your new graphics card. Warning: Before you touch anything inside your computer, ground yourself by touching a piece of grounded metal (such as the computer’s case), or by wearing an antistatic wristband.ģ. remove your old graphics card (in some machines, this card is held in place with a screw), and replace it with your new graphics card.

Video card for mac for 2 displays Pc#

Next, turn off your PC and unplug the components.

Video card for mac for 2 displays drivers#

First, uninstall the drivers for your old graphics card: Go to Control Panel, Programs, Programs and Features, find your graphics card, select it, and click Uninstall. Installing a new graphics card is pretty simple. If your graphics card does not support multiple monitors, you’ll want to purchase one that does (consult our top-rated graphics cards chart for more information).Ģ. You can tell whether it does by checking the input ports on the back: If it has multiple input ports (DVI, VGA, HDMI, or DisplayPort), it should support multiple monitors. Make sure that your graphics card supports multiple monitors. But, it'll be cleaner if I find a good Apple-compatible 5770.1. So, in reality, the setup as I have it now is OK. The other displays just have email, calendar, etc., so no big deal. That's the reason I don't want to share the resources of the existing 5770 among more than just the 30" display. For what I do, I don't need the latest and greatest video card - I do no 3D or gaming, but I do a lot of high-res photo editing and now some video editing. Ultimately, I have to get another 5770, but they're hard to find except used and then you never know what you're going to be getting. So, temporarily, I'm using the original 5770 for my 30" Cinema Display 1 other monitor connected to the old 8800GT and the 3rd to a DisplayLink USB adapter. But, with only 1 monitor connected - and then it must be in connector 1 - it works fine. I had read that the 2nd card might not display until the system had finished booting, but mine didn't work even then when I had 2 monitors connected to it. If I select "Displays" from System Preferences, all 3 monitors will be shown - even if the 2 connected to the 8800GT are not working. When I look at System Resources, and select "Graphics/Displays", I see both graphics cards listed - even when the monitors connected to the 8800GT are not working.

Needless to say, this is a pain - especially since the computer is buried under a desk. Even if I power the monitors connected to the 8800GT off, and then turn them on after logging in, they don't work - they have to be physically disconnected and then re-connected. I then have to unplug the other 2 monitors from the 8800GT and plug them back in and then they will work. However, if I do a shutdown, and then restart, only the 30" monitor connected to the 5770 turns on. If I put the computer to sleep, and then wake it, all is OK - all 3 monitors are working. Then, I can plug them in and they will work perfectly. I have to startup the computer with the monitors unplugged from the 8800GT. So, I installed the 8800GT and connected the other 2 monitors to it. So, I thought that I could improve the performance of my main display (30" Cinema Display) by not sharing the 5770's resources among 3 monitors. It had a nVidia 8800GT graphics card that worked perfectly.

Video card for mac for 2 displays pro#

I also have an older Mac Pro (2007) which I no longer use. I have 3 monitors and originally had them all connected to the 3 outputs of the ATI Radeon HD 5770 card that came with the computer. I have a mid-2012 Mac Pro with 12 cores and running 10.10.4. I hope someone out there has encountered this and has a solution.