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Windows 7: Confused About 3 Screen setup on a Radeon 7700

21 Jan 2014   #1
Vaughn Whynot

Microsoft Windows 7 Ultimate 64-bit SP1
 
 
Confused About 3 Screen setup on a Radeon 7700

I was given a Radeon 7700 card and was told I could hook up 3 screen to it. I went out and bought a displayport to HDMI adaptor today after researching online. I came home and hooked up all my screens as

(left) 2nd Screen - Display port to HDMI
(center) Main Screen - DVI
(right) 3rd Screen - HDMI

Now the video card only has 3 ports on it, where my older 5800 series had 2 dvi, 1 hdmi and 1 display. But now after hooking up the screen, the 3rd screen on the display adaptor port is detected but can't be added/enable while the 2 other screens are on.

I was told you can't have 3 screens where 1 is HDMI and the other 2 are display port or DVI but then how would this card be able to suppose 3+ screens? am I missing something?

Friends said I need either/or one of these adaptors.

VGA to Displayport - http://www.ebay.ca/itm/Displayport-D...7c2e6c9&_uhb=1

or

DVI to DisplayPort - http://www.ebay.ca/itm/DP-Display-Po...6eb4a4b&_uhb=1

Vaughn


My System SpecsSystem Spec
.

21 Jan 2014   #2
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

What brand and model is the 7700 card? I need some more info in order to help.
My System SpecsSystem Spec
21 Jan 2014   #3
Vaughn Whynot

Microsoft Windows 7 Ultimate 64-bit SP1
 
 

Quote   Quote: Originally Posted by Mellon Head View Post
What brand and model is the 7700 card? I need some more info in order to help.
1024MB ATI AMD Radeon HD 7700 Series (Sapphire/PCPartner)
My System SpecsSystem Spec
.


21 Jan 2014   #4
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

7750, 7770, or 7790?
My System SpecsSystem Spec
21 Jan 2014   #5
Vaughn Whynot

Microsoft Windows 7 Ultimate 64-bit SP1
 
 

Quote   Quote: Originally Posted by Mellon Head View Post
7750, 7770, or 7790?
that part i can't tell you, the card just says 7700 series and every program like speccy and HWmontior reads 7700 series.

AMD Radeon? HD 7700 Series Graphics Cards

i feel stupid for not knowing but i honestly think it is just called a 7700
My System SpecsSystem Spec
21 Jan 2014   #6
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

I had a look at Sapphire and I think I found your card. Basically, Sapphire says that you need a Displayport capable monitor or approved Dongle to get 3 monitors to work under Eyefinity:

SAPPHIRE HD 7770 GHz Edition 1GB GDDR5#

(If that's not your card, the Eyefinity thing still applies)

So you're a little stuck, but I may have a solution. Where in Nova Scotia are you? I know a great local computer shop in Halifax that can probably help you get this going.
My System SpecsSystem Spec
21 Jan 2014   #7
Vaughn Whynot

Microsoft Windows 7 Ultimate 64-bit SP1
 
 

Quote   Quote: Originally Posted by Mellon Head View Post
I had a look at Sapphire and I think I found your card. Basically, Sapphire says that you need a Displayport capable monitor or approved Dongle to get 3 monitors to work under Eyefinity:

SAPPHIRE HD 7770 GHz Edition 1GB GDDR5#

(If that's not your card, the Eyefinity thing still applies)

So you're a little stuck, but I may have a solution. Where in Nova Scotia are you? I know a great local computer shop in Halifax that can probably help you get this going.
i am 45 mins away from halifax and don't get their often. BUT I was talking to a friend who has a 7790 and he used this Displayport Male TO VGA Femal DP M TO VGA F Adapter Converter FOR PC Laptops | eBay VGA to DisplayPort adaptor because it somehow tricks the displayport or something.

not sure if you know anything about that. I can't afford a new screen or those 100+ dollar adaptors.
My System SpecsSystem Spec
22 Jan 2014   #8
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

I don't know whether that would work or not. It seems like the card needs a DisplyPort splitter to run more than two monitors. Are you able to get two monitors running at least?
My System SpecsSystem Spec
22 Jan 2014   #9
Vaughn Whynot

Microsoft Windows 7 Ultimate 64-bit SP1
 
 

Quote   Quote: Originally Posted by Mellon Head View Post
I don't know whether that would work or not. It seems like the card needs a DisplyPort splitter to run more than two monitors. Are you able to get two monitors running at least?
yes I can run 2 screens perfectly fine. I did some research last night and found out that for it to work on 3 screens I need 1 native and 2 legacy.

So i had 3 legacy source (HDMI and 2 DVI) which wouldn't work.

So this adaptor i ordered to test has a built in chip or something that somehow works with my card and eyefinity because instead of the DP adapter i have now that reads up as a DVI it will read as a DP source which is Native even tho my screen is VGA.

It is confusing i know but my friend does it this way and whatnot.

Also, this guys does the setup i would have to do.
How to setup eyefinifty without active displayport adapter - YouTube

I will bookmark my thread and once I get the adaptor, i will let you know.
My System SpecsSystem Spec
22 Jan 2014   #10
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Great. I look forward to hearing about it.
My System SpecsSystem Spec
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 Confused About 3 Screen setup on a Radeon 7700




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