This problem was solved after looking more closely at the LCD connector ..............Maybe RSX101VA-30 or equivalent
Previous owner or "repair shop" managed to replace this connector 1 pad wrong and thus creating al kinds of shorts.
After putting it on the right way the short was gone and the LCD was working perfectly.
Don't remember if i had to replace the LCD becauce of these shorts.
It's been allmost 11 months ago.