which cable/adapter for 144 Hz monitor

danonino

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Feb 25, 2015
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Hi everyone,
My monitor has a Dual Link DVI, but my laptop only has HDMI and VGA. If I use a Dual Link DVI to VGA cable will I be able to get 144Hz ?

P.S: the monitor also has HDMI, Display port, and VGA. The reason I'm not considering the HDMI and VGA cables is because of the refresh rate limitations. And since my laptop doesn't have a Display Port then I think the DVI to VGA cable would be easier to find ?

Please let me know what you think

Thanks :)
 
Solution


Your laptop is too old to support 1080p at 144hz. The HDMI revision on that card is capable of 120hz 1080p, provided the monitor supports it as well (it should, considering it's advertised as such).

Connecting VGA to anything will do nothing for it. HDMI to DVI-D or Display port should...
VGA won't even get 1080p, let alone 144hz. Nobody uses VGA anymore except old conference room projectors.

Depending on the HDMI connector revisions in your hardware, HDMI may support 144hz. If your PC doesn't output 144hz, the connector on the monitor won't matter, so just use HDMI to HDMI.

If your laptop supports dual link DVI-I, you have a better chance of getting 144hz out of that, as the 144hz support for DVI is older than for HDMI.
 
Thank you both for replying ! I have the Lenovo Y510p with the single GT750M. How can I find out if my HDMI hardware is capable of outputting 144 Hz ? I tried to google it but didn't find anything.

On my laptop I only have the choice between HDMI and VGA. So I guess I won't be able to get 144 Hz ? And if I understand correctly, connecting the laptop VGA to DVI Dual Link will not help ? What about HDMI to DVI Dual Link ?

Thanks again guys !
 


Your laptop is too old to support 1080p at 144hz. The HDMI revision on that card is capable of 120hz 1080p, provided the monitor supports it as well (it should, considering it's advertised as such).

Connecting VGA to anything will do nothing for it. HDMI to DVI-D or Display port should guarantee your monitor will support it, but don't bother buying the converter until you find out if the monitor manufacturers cheaped out on their HDMI license. If you don't get 120Hz over HDMI, then get a converter.
 
Solution


I see. Well i'm sure the monitor can display those high refresh rates. It's the BenQ XL2720Z. What do you suggest i do in order to get 120Hz at 1080p ? I currently have it connected to my laptop via HDMI (which I believe is a 1.4 cable). But the problem is that I can only choose up to 60Hz in the Windows monitor settings.

I checked the Nvidia control panel and it shoes my monitor linked to my integrated graphics, even though I chose the GeForce as a default GPU.
 



As chris helpfully pointed out, BenQ caters towards high end gamers, they include the HDMI port as a selling point, not as a primary input port. To keep costs down they did not purchase a newer HDMI license. Thus you will need to convert from HDMI to DVI or DP.
 


Haha nooo. Well my main concern is having a 1080p resolution. With that in mind I guess the highest refresh rate I would be able to get is 100Hz right ? If that's the case, any ideas why the maximum refresh rate I can see is 60 Hz ?

Thanks for your time and patience :)
 


The maximum refresh rate you see is because the HDMI connector on the BenQ monitor is revision <1.4.

You should be able to get 120Hz over DP or DVI adapters provided the laptop manufacturer kept up to specs with Nvidia's card capabilities THAT is a much harder to find piece of information.

According to this link http://mobilesupport.lenovo.com/us/en/documents/pd028142 it has 1.4b, so it should support it.

 
Ok I understand. Well, finding that out sounds like my next task 😛

I tried connecting the Dual Link DVI from the monitor to my laptop HDMI port using an adapter, but it didn't work and I got a message on the screen saying "no cable connected" (or detected) - can't really remember. And my laptop couldn't detect the monitor.
 


Well, at least you picked a monitor with low input lag if you're not able to get high refresh rate. That monitor will stay relevant for a long time with specs like those.
 


I just checked the Nvidia control panel and didn't find anything about that. I also checked the Device Manager in Windows Control Panel but no luck. I don't think i can change anything in the BIOS but I will check that.

And yeah you're right about the monitor staying relevant for a long time :)