Yes , I did . The solution is to change the laptop only .
Best wishes .

I apologize for my incorrect writing ,indeed it is not my language of origin .
Mr Alan Fraser ,(not Alen , sorry) advised me to check if the if Anti-Alias is 0x or not .
It doesn't matter any more , graphics card is not good enough to support anti-aliasing ,so every time when I am drawing something I do some settings in style as in attachment below .
Thanks for your help .
With respect .

Excuse me , what happened with pictures ?

Good morning .
Mr Alen , in attachment below you can see my open GL , not the best
Thanks for your answer .
With respect .

Good morning .
I am George , new user of Sketchup Make free and I need to find a solution for my small drawing .
It is a way to make it more straight lines? In my dravings all lines look as a sow blade ...
Thanks a lot .