I replaced my laptop screen with one identical because the original one was purely dead pixels. With the new screen installed, the backlight is behaving strangely. It turns on when the screen should be off when its plugged into the power,(i.e when the computer is off or an external monitor is plugged in) then turns off, but not completely when its plugged in and in use(gets dimmer than the screen was when it should have been off) and then goes completely dim when its unplugged from the charger and in use, so i am really confused here as to what to do about it