Good afternoon, Recently we bought a new monitor and want to utilise the 144 Hz refresh rate. I’ve read a few posts and tried a few different things that are outlined below to make it work at 144 Hz but the PsychoPy output file still shows 60 Hz as does the timeByFrames.py demo (mean = 16.7 ms). Co…

You need to provide much more detail, for example (but not limited to) monitor model, graphics card, operating system, cable connection (at each end), etc. And usual advice about updating graphics driver to the latest directly from the manufacturer’s site (i.e.not relying on Windows to provide the d…

Thanks for the reply Michael. Here is more information, Computer - Windows 7 Dell Optiplex 9020 GPU - AMD Radeon HD 8490 Monitor - ViewSonic XG2530 The monitor is connected to the computer via a DisplayPort cable. And the changes I made to the refresh rate were within the AMD Catalyst Control Ce…

I’ve now tried it on a different computer and the mean from the timeByFrames demo is still 16.7 ms. Tried all combinations of turning VSync off, useFBO = False, also tried the waitBlanking and swapInterval inputs mentioned in another thread, but nothing seems to work. Any ideas?

Have you installed the OS-specific driver for that particular monitor? If not, seems to be available at the bottom of this page: https://www.viewsonic.com/us/xg2530.html Also check that your graphics card driver is up-to-date with the latest version from the manufacturer’s website (not from the Wi…

Yup, installed the latest drivers for the monitor from the website, and the graphics card driver is also up-to-date.

Did you set the DisplayPort mode on the monitor? It looks like it defaults to v1.1, which may not support > 60Hz (should be 1.2). Similar issue: http://www.tomshardware.com/forum/id-3532162/144hz-monitor-60hz-displayport-cable.html Manual: http://www.viewsonicglobal.com/public/products_download/us…

Thanks for the suggestion aforren1, the DisplayPort 1.1 option was indeed off (hence, it was 1.2). So, since the OP, I have disconnected the monitor from the AMD HD 8490 and connected the monitor to the Intel integrated graphics HD 4600 via DisplayPort. Now the Intel graphics card already had anoth…

Just another update (might have celebrated too early about achieving 144 Hz!), Connecting the other display (a 60 Hz) monitor to the AMD, not only gives the error above but when I disconnect that monitor, the 144 Hz monitor connected to the Intel now gives a mean of 15.6 ms (~ 65 Hz refresh rate)! …

Thanks Alex, we had tried that as well, to no avail unfortunately. We have since used another graphics card that works perfectly.

144 Hz monitor only working at 60 Hz

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alex_p June 7, 2018, 7:50pm 10

I had the same issue today, tried to run Alienware 240 Hz monitor on AMD card on WIn10. The solution was, as mentioned in previous post, to set your presentation monitor as the main display. It does run now @240 Hz.

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144 Hz monitor only working at 60 Hz

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