Chosen Solution

My MacBook Pro started doing this last week. Its barely 2-2½ years old!

What can be the cause? Do you think its a new screen i need?

Sadly, it very likely you need a new display. The T-CON logic within it is damaged. here’s the guide you’ll need to follow MacBook Pro 13" Function Keys 2017 Display Assembly Replacement Here’s the needed part: 13” MacBook Pro Display Assembly - Space Grey, Apple P/N 661-0797013” MacBook Pro Display Assembly - Silver, Apple P/N 661-07971 They sometimes have recycled displays (cheaper) but they go fast!