Lcd problem (i need to check sth)

Hi guys

Im just soldering on my lcd flex cable and i need you to answer my question pleaseeeeeeee

Pic:

[IMG]http://i65.tinypic.com/25jxim0.jpg[/IMG]

Can some body tell me that if the pin num 21 is connected to the ground? I know on the schematics its not grounded but when im testing with my trusted multimeter it says grounded :/

i need you to test it via multimeter for me plzzzz

Just conect pin 21 to metal shild which theres a barcode on it (on the top back of lcd)

Also what happens if i conect wrong pin order to mother board? (Short circuit cable)

Im waiting for your answer