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Strange lines on screen before it freezes - help please


New Member
Hi my surface 3 just arrived.

Upon i activated it strange lines appeared on the screen, few second upon it it froze.

Usually it freeze after 2 minutes, even if I do not do anything (e.g. just activate it without logging in)

Somehow I managed ti install update (need few tries) but even then i have the same phenomena (strange lines and then freeze).

I blocked wi fi but it still happens.

Any suggestion ?