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6850 @ 1440 possible?

D

dc4517

Member
So, in anticipation of getting a GTX 1070 later this summer, I bought a Dell S2716DG 27" monitor as it was at a pretty good price on Amazon. I just received it now, and havent' been able to get my PC to switch to 2560x1440. I have a 6850 - does it even support 2560x1440? If yes, how can I get switch it to that resolution from the Win10 recommended 1920x1080 resolution?
 
dc4517 said:
So, in anticipation of getting a GTX 1070 later this summer, I bought a Dell S2716DG 27" monitor as it was at a pretty good price on Amazon. I just received it now, and havent' been able to get my PC to switch to 2560x1440. I have a 6850 - does it even support 2560x1440? If yes, how can I get switch it to that resolution from the Win10 recommended 1920x1080 resolution?
Click to expand...
DisplayPort 1.2
Max resolution: 2560x1600 per display
Multi-Stream Transport
21.6 Gbps bandwidth
High bit-rate audio
HDMI® (With 3D, Deep Color and x.v.Color™)
Max resolution: 1920x1200
Dual-link DVI with HDCP
Max resolution: 2560x1600

VGA

Max resolution: 2048x1536
Click to expand...

Seems you are using HDMI?
 
dc4517 said:
So, in anticipation of getting a GTX 1070 later this summer, I bought a Dell S2716DG 27" monitor as it was at a pretty good price on Amazon. I just received it now, and havent' been able to get my PC to switch to 2560x1440. I have a 6850 - does it even support 2560x1440? If yes, how can I get switch it to that resolution from the Win10 recommended 1920x1080 resolution?
Click to expand...
I have run a 27" 2560x1440 monitor on a 6870 for several years. My model has a single-link DVI and a dual-link DVI port. You have to use the dual-link one. Still on Win7, not on Win10 so can't answer specifics for that.

What exact 6850 model do you have?

edit:
Just saw Elixir reply. Can 2560x1440 monitors use HDMI 1.x and get 60Hz?
 
Last edited:
maddie said:
I have run a 27" 2560x1440 monitor on a 6870 for several years. My model has a single-link DVI and a dual-link DVI port. You have to use the dual-link one. Still on Win7, not on Win10 so can't answer specifics for that.

What exact 6850 model do you have?

edit:
Just saw Elixir reply. Can 2560x1440 monitors use HDMI 1.x and get 60Hz?
Click to expand...

Sapphire Radeon HD 6850
 
SPBHM said:
you need to use the dual-link dvi or display port, HDMI is limited to 1920x1200
Click to expand...

Ok, I just tried DP, and nothing displayed after I switched it to the DP input on the monitor. It just goes to power saving mode. Do I need to change any settings on my PC before switching from HDMI to DP? Unfortunately, the monitor does not have DVI.
 
Elixer said:
Do you got both outputs going into the monitor now?
If so, remove the HDMI one, and use DP.
Click to expand...

Just tried this, and DP still not working. I just read through the Dell monitor forum, and it seems that this is an issue with the monitor, and possibly for those that were manufactured last fall though don't quote me on that. Seems like they're swapping out monitors that have this issue.
 
dc4517 said:
Ok, I just tried DP, and nothing displayed after I switched it to the DP input on the monitor. It just goes to power saving mode.
Click to expand...

Once you select the input source as DP, power cycle the PC and display.

My Win 7 idles the monitor to sleep if I select DP input after switching on the PC. However, if the input is selected before startup, no problemo..

See of this works .
 
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