inventor no longer illuminates surfaces to measure distances and put constraints

[alessandroM]

Hello I have just noticed this problem that for me is very serious as it makes not little my work performance, I must have messed up with something.. .

if someone has the solution and wants to help me thank you in advance

 

[Il Mauri]

Hello I have just noticed this problem that for me is very serious as it makes not little my work performance, I must have messed up with something.. .

if someone has the solution and wants to help me thank you in advance

isn't that maybe you modified something in the selection system in the quick access toolbar? (seven button at the top left after the i button of inventor)

 

[alessandroM]

finally solved. I went on tools - options and enabled pre-lighting

Thank you