LukeSky

Thanks for the suggestion. I'll look into Tinkercad for starting.

Actually I don't have any printer and I really don't know where to start looking at. Thanks again

Thanks for the suggestion :)

Ok, thanks for the clarification. I'll check Bottles

Thank you, I'll try it too!

Thanks to everyone for your answers. I'll check Lutris and Bottles!

Thanks, I'll try it

Thank you, I'll try

Ok thanks, I'll try it too

I'll try also Memtest, thanks!

It turns off suddenly. I'll check these tests with Lenovo, thanks

Thank you very much for your help!

Thanks for your answer. It happens randomly: I use this laptop only for searching on Internet and write docs in LibreOffice. I'll try to clean vents and fans and if that doesn't work I'll try with the thermal paste