I have Solidoworks 2017 SP4.1. Windows 10 x64 i5 7400 3Ghz, 16 GB RAM, SSD drive and i have problem with very slow sketch performance.

During zooming dimentions line dissapear, need to wait about 5 sec to appear again.

I have two the same computers and horrible sketch performence is only on one ot theme.

How can i solve this?