Question cant run monitor at maximum refresh rate with displayport.

[moe lester]

i can run my main monitor at 165hz when i change the resolution to 1920 X 1080 but when i have it on 2560 X 1440, the maximum refresh rate becomes 120hz. where as my hp second monitor runs at 165 on 2560 just fine.
https://ibb.co/PY7Mm4x

 

[sexyvanilla shake]

hmm... i think its ur second monitor hindering ur monitor frm running at 165hz