Tell us some more about your brush lag. What is the size of the brush in pixels, and what does the preset look like, and what is spacing set to?
A little test we use is to ask you to create a new document 30,000 pixels square, and run a 5000 pixel fully hard brush, with spacing set to 1% from corner to corner. Touch down at one corner, and hold down shift while touching down in the opposite corner. You can get an accurate time by setting the status bar to Timing. Or you can set the Info panel to show everything.
As a guide, by five year old system takes 26 seconds. Let us know your time and we'll take it from there.
You can set to Info panel to display other (all) parameters by clicking on the pop out menu in the top right corner, and choosing Panel Options.
Hello, Trevor.Dennis. Thank you very much for your time. I made the test as you mentioned and I got 181,3 seg using the exact parameters you mentioned. I currently have the graphics enabled but I experience the brush lag with or without them. Sometimes photoshop can even freeze for 5 seg by only using the eye-drop tool to copy a color.
am using this computer and it working good without any problems with any of adobe apps
https://www.amazon.com/G752VY-DH72-17-Inch-Gaming-Laptop-GeForce/dp/B01578ZM6Q/ref=as_li_s s_tl?ie=UTF8&qid=1481434494&sr=8-6&keywords=asus%20rog%2017%22&linkCode=sl1&tag=tech0534-2 0&linkId=918518deefbe254dd84ded41dd1b3876