no option for 144hz

David_572 · Jan 12, 2017

my mg248q connect using the dual dvi link cable that came with it only displays 60 hz and it cannot be altered no matter what i try

Multipack · Jan 12, 2017

Not enough info. Graphics card? OS?

David_572 · Jan 12, 2017

Multipack :

sapphire 7970 oc edition windows amd fx 8350 rog coisshair v formula z motherboard. its seem like the dual link dvi cable that came supplied is not capable of supporting 144hz, my card only has mini display ports and the dvi inputs so i m not using hdmi cos i know that wudnt support either. or mayb ethis montor only works with nvidia stuff? alot of the software seemed tobe nvidia which i was unable to install as im using amd. have done clean install using ddu and have unistallled an reinstalled the monitor drivers still no change, i did notce however that the function to create custom resolution in crimson control center seems to not work at all right now either.

Multipack · Jan 12, 2017

DL DVI can carry 144Hz at 1080p.

In the manual it says "You must select one of the “*” timing for enabling 3D or 144Hz feature with a compatible graphic card via Dual-link DVI cable connection."

David_572 · Jan 12, 2017

Multipack :

so when i check crimson its says that the cable provided was a DVI I cable and from what ive been readin g i need a DVI D cable to get 144hz cos the monitor isnt offering me the option to do that with dvi i cable thats in.

Multipack · Jan 13, 2017

As far as I know both support it. DVI-I just has the extra analogue pins that wont plug into a DVI-D socket, but they aren't used for digital video anyway. I think it's more likely you need to set the timing frequency on your monitor.

David_572 · Jan 13, 2017

well it seems simple just change the timings he said. except for the fact that im am given no option to change refresh rate in amd /windows/ and on the monitor itself. it also says nvdioa gpu there on ur picture i dont have a nvidia so whats next?

David_572 · Jan 13, 2017

Multipack :

ive seen this suggested elsewhere also. the problems is how do i do that. as far as i know there shud be a more option when i got to inoput type and then click on dvi. but there isnt. is there supposed to be a button im supposed to press cos i can t find one,

Multipack · Jan 13, 2017

Try changing the adaptive sync setting to on. The monitor is actually more compatible with AMD cards than Nvidia http://www.tftcentral.co.uk/reviews/asus_mg248q.htm

David_572 · Jan 13, 2017

Multipack :

the adaptive sync section is greyed out

Multipack · Jan 13, 2017

Do you know which of the three models of that card you have? And are you sure it's Dual Link DVI?

David_572 · Jan 13, 2017

Multipack :

im sorry all i know its radeon sapphire oc edition was best card i cud buy 5 years ago. and yes its definatlely dual dvi it even says it on the cable which also came with monitor

Multipack · Jan 13, 2017

You may need it in user mode, which would mean turning off gaming mode and any other preset you've chosen.

David_572 · Jan 13, 2017

Multipack :

i have turned it to user mode with and deleted any saved preset still no option.i also noticed i have 2 ports on my graphics card one for dvi i and one for dvi d still it gives me the same results.

Multipack · Jan 13, 2017

Really odd. Am wondering if your GPU is not capable of 144Hz. What options do you have in Radeon Settings and Windows Display Settings? Something doesn't seem right here does it lol.,

David_572 · Jan 13, 2017

Multipack :

ok so im embarrased i remember my gpu incorrectly so sorry. its the msi lgihtning edtion 7970 and i found this post about it https://www.techpowerup.com/reviews/MSI/HD_7970_Lightning/3.html what are your thoughts?

Multipack · Jan 13, 2017

Ha well at least that answers it! Either you buy a new monitor which is not a good option obviously, buy a DP cable or get a DP-dual link DVI adapter like this http://www.newegg.com/Product/Product.aspx?Item=9SIA27C3GP1447&cm_re=displayport_to_dvi_dual-link_adapter-_-9SIA27C3GP1447-_-Product

The cheap ones may or may not work at 144Hz tho. Is kind of hit n miss.

David_572 · Jan 13, 2017

Multipack :

i also have couple of radoen hd7950 s on my shelf do u think they will be able to run it?

Multipack · Jan 13, 2017

Easier to buy a DP cable, but yeas that card has a dual-link DVI output according to the specs so should do 144Hz http://www.amd.com/en-us/products/graphics/desktop/7000/7900#

David_572 · Jan 13, 2017

Multipack :

are u sure that adapter will work? that look like it converts it from dvi to display port however the lightning only has 4 mini display ports on it

Multipack · Jan 13, 2017

Oops did I link one the wrong way around.. but yeah you get the idea. And no definitely cant be sure it'd work. In that link to your card above the poster said he tried 4 before finding one that did. Seriously just get a mini Display Port to Display Port cable. I am positive this 1.2 cable would work http://www.newegg.com/Product/Product.aspx?Item=N82E16815158233

https://www.msi.com/Graphics-card/R7970_Lightning.html#hero-specification

https://www.asus.com/uk/Monitors/MG248Q/specifications/

no option for 144hz

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