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Second monitor won't work!


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#1 Lasse54210

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Posted 05 April 2016 - 02:30 PM

The problem is,

 

My friend just bought a new monitor and wanted to use his old monitor like a second screen. So the plan was using a Displayportcable for the new screen and a VGA cable (With VGA to DVI adapter) for the old screen. But when he tried to plug-in the new monitor it wouldn't do anything… So I said test the screen and he did it by plugging the VGA cable of  his old screen into his new screen. And it worked fine. So the next thing I said was try plugging both screens in via VGA (With adapter to DVI). But it didn’t work either. Then we tried updating drivers and turning off on-board graphics. And nothing worked,  the goal is having two screens and only one screen works :(

 

Specs from the pc are:

CPU: AMD Athlon X4 860K

Motherboard: ASRock FM2A68M-HD+

RAM: Crucial Ballistix Sport 8GB

Graphics Card: MSI Radeon R9 380 2GD5T OC

HDD: Seagate Barracuda ST1000DM003

Case: Sharkoon VS4-S

PSU: Sharkoon WPM 500 Bronze

 

And the screens are:

BenQ BL2205PT (NEW SCREEN)

17inch LCD Black Old DELL Monitor (OLD SCREEN)

 

Some help would be really appreciated!

 

~ Lasse



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#2 Kilroy

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Posted 06 April 2016 - 02:03 PM

Are the both of the connections on the graphics card? If not most likely the on board VGA is disabled.

#3 Lasse54210

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Posted 06 April 2016 - 02:59 PM

Are the both of the connections on the graphics card? If not most likely the on board VGA is disabled.

Jep there both connected into the graphics card!



#4 Sneakycyber

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Posted 06 April 2016 - 10:26 PM

The monitor connected to the display port, is it using display port on the monitor or display port to DVI-D. The second screen vga cable needs connected to the DVI-I port. The DvI-I port has the 4 analog pins needed for the VGA adapter. Also go into the radeon settings and see if it lists the monitors. Then check your desktop layout in Windows.

Edited by Sneakycyber, 06 April 2016 - 10:27 PM.

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#5 Lasse54210

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Posted 07 April 2016 - 01:33 PM

The monitor connected to the display port, is it using display port on the monitor or display port to DVI-D. The second screen vga cable needs connected to the DVI-I port. The DvI-I port has the 4 analog pins needed for the VGA adapter. Also go into the radeon settings and see if it lists the monitors. Then check your desktop layout in Windows.

Yes the cable is connected straight into the monitor and the DVI with the VGA adapter is for the old monitor (And working)... And we also tried the AMD settings :( Its so wird!



#6 chalup

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Posted 07 April 2016 - 02:49 PM

Have you tried doing "detect" in the display settings?



#7 bludgard

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Posted 08 April 2016 - 11:43 AM

^^^ Right-click Desktop > Screen resolution > Detect

With all monitors connected. This has worked for me quite a few times.



#8 Lasse54210

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Posted 15 April 2016 - 03:27 PM

^^^ Right-click Desktop > Screen resolution > Detect

With all monitors connected. This has worked for me quite a few times.

 

 

Have you tried doing "detect" in the display settings?

Sorry for the very late response! I was busy with school *YEEEY* and sadly yes we tried both :( 



#9 JohnC_21

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Posted 15 April 2016 - 04:41 PM

Did you try setting up dual monitors using AMD's driver software? 



#10 Lasse54210

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Posted 16 April 2016 - 06:14 AM

Did you try setting up dual monitors using AMD's driver software?

No! Good suggestion I'm gonna tell it to my friend! :bananas:



#11 Lasse54210

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Posted 18 April 2016 - 10:12 AM

 

Did you try setting up dual monitors using AMD's driver software?

No! Good suggestion I'm gonna tell it to my friend! :bananas:

 

Nope still nothing :(



#12 JohnC_21

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Posted 18 April 2016 - 10:56 AM

I looked up your video card. It looks like you have one DVI-D dual link port and one DVI-I dual link port. 

 

Capture3.jpg

 

The top DVI port is DVI-D which is digital and cannot work with a DVI to VGA adapter. The Adapter needs to be used with the DVI-I (Digital and Analog) port.

 

 

181px-DVI_Connector_Types-r.svg.png



#13 Lasse54210

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Posted 18 April 2016 - 01:05 PM

I looked up your video card. It looks like you have one DVI-D dual link port and one DVI-I dual link port. 

 

Capture3.jpg

 

The top DVI port is DVI-D which is digital and cannot work with a DVI to VGA adapter. The Adapter needs to be used with the DVI-I (Digital and Analog) port.

 

 

181px-DVI_Connector_Types-r.svg.png

Aha I didn't knew that thanks! But if we plugged one VGA in and one Displayport in (In the good ports) still nothing :axe: (Oh yeah by the way the current set-up is: The new monitor plugged via VGA and the old disconnected so no dual DVI) And thank you all for the good help!



#14 JohnC_21

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Posted 18 April 2016 - 01:26 PM

Do both monitors, old and new, have a DVI port? Instead of using a Displayport cable I would try using two DVI cables if both monitors have DVI or one DVI cable and a VGA to DVI adapater and a DVI cable on the DVI-I port if one monitor has VGA and the other DVI.



#15 Lasse54210

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Posted 20 April 2016 - 02:29 PM

Do both monitors, old and new, have a DVI port? Instead of using a Displayport cable I would try using two DVI cables if both monitors have DVI or one DVI cable and a VGA to DVI adapater and a DVI cable on the DVI-I port if one monitor has VGA and the other DVI.

Nope they both do not have DVI Ports :(






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