Changed LCD, screen not locking anymore.
 

Hey everyone,

Yesterday my dad replaced my N900's LCD screen (My old one had alot of scratches on it) . Everything works fine. Except for the fact that my screen doens't turn off anymore.

When I lock my phone using the hardware key on the side of the phone it doens't turn black. I can still see my screen but I can't click on anything. So it's kinda locked.
Also when locking the phone with the lock code, the screen turns blurry but the light is still on.

Also the lightning from the keyboard doesn't turn on anymore.

Did we make a mistake when replacing the LCD or will a reflash fix my phone?

Kind regards,

Joost