Select Row2 to bottom row

Go to Home menu: Conditional Formatting: Manage Rules

Click New Rule.. and select use formula to determine which cells to format

Enter Formula: =AND($A2<>"",$F2=$F3,$G2:$G3,$H2=$H3,$L2=$K3)

Click Format and choose from the Pattern Tab

Click Ok

Click New Rule.. and select use formula to determine which cells to format

Enter Formula: =AND($A2<>"",$F4=$F3,$G3:$G4,$H4=$H3,$K4=$L3)

Click Format and repeat as above..