ERROR MESSAGE & POSSIBLE SOLUTION
CABLE NOT CONNECTED :
1.
Check that the signal-cable is properly connected , If the connector is
loose, tighten the connector's screws.
2.
Check the signal-cable's connection pins for damage.
INPUT NOT SUPPORT :
Your computer has been set to unsuitable display mode ,Set the computer
to display mode given in the following table.
UNSUPPORTED MODE TRY DIFFERENT VIDEO CARD SETTING:
Your computer resolution is out of VESA-SPEC
15