Macbook Air – No Backlight (Water Damage Victim) The red component on the left (marked with a “P”) is the backlight fuse. It has blown. As have the display connector and cable that it was to protect. Pretty straight-forward issue here. The on-board display connector – The spilled drink corrosion caused a bit of trouble here. Ruined display cable. Well – that buffed-out nicely. Both cable and connector are new. Look at THIS little guy! That’s a burnt resistor! The 4.7 Ohm 0805 resistor on the right had a hole burned in it, measured 24 Ohms, was preventing the power button from working – this is the replacement. Success. This repair is complete! Milwaukee Mac RepairFacebookLike Loading...