[mairdie]

My button works without either CTRL or ALT.

[9YearLurker]

Then it’s presumably atop another function key?

[tang-soo]

Unfortunately the print screen is not standardize and depends on manufacture. Recommend a screen print utility like snagit which is available for $50. Will look for a free utility. By the way snag it will also capture video so a nice tool. I use it at work for training videos.