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Windows 7: How to support triple monitors with one graphic card?

16 Feb 2010   #1
hoody

Win 7 64bit
 
 
How to support triple monitors with one graphic card?

Dear all,

My computer is Dell Precision M6500. The graphic card is ATI FirePro M7740. The computer only has one VGA port.

I used a dock station which has 1 VGA port and two DVI ports. I connected two monitors to the VGA port and 1 of the DVI ports.

In the "Screen Resolution" dialog, I can see 3 monitors: The laptop monitor, 2 external monitors. However, one of the external monitors is grayed out. I can never to make all of the 3 active at the same time.

I am wondering if Windows 7 allows me to use 3 monitors at the same time? Did I miss something?

Thank you.


My System SpecsSystem Spec
.
16 Feb 2010   #2
Konstantinov

Win7 Home Pro x64
 
 

Quote   Quote: Originally Posted by hoody View Post
Dear all,

My computer is Dell Precision M6500. The graphic card is ATI FirePro M7740. The computer only has one VGA port.

I used a dock station which has 1 VGA port and two DVI ports. I connected two monitors to the VGA port and 1 of the DVI ports.

In the "Screen Resolution" dialog, I can see 3 monitors: The laptop monitor, 2 external monitors. However, one of the external monitors is grayed out. I can never to make all of the 3 active at the same time.

I am wondering if Windows 7 allows me to use 3 monitors at the same time? Did I miss something?

Thank you.
Hey I'm not sure about how to resolve this, but just FYI, as far as I know, Windows 7 will support as many monitors as your video card will allow. I had 3 connected to my HD 5870 the other day in ATI Eyefinity mode.
My System SpecsSystem Spec
16 Feb 2010   #3
Thorsen

Win7 Home Premium 64x
 
 

Maybe check your monitors drivers to see if they can be updated.
My System SpecsSystem Spec
.

16 Feb 2010   #4
Fantail

7 x64 | 7 x64
 
 

According to what I could find the ATI FirePro M7740 chipset is based on the 4850 series. Very good chip set but you can't use all three ports at once. In other words if your in CCC and disable the extended 2nd monitor then your third becomes available / extended.
My System SpecsSystem Spec
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 How to support triple monitors with one graphic card?




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