mosfet heatsink broken

[purplepanda98]

i accidentally pulled off the mos_hs off of my ga78lmt-usb3 motherboard. Well the fastener holding it down anyway, so now theres only one and its just dangling there. i cant find the other fastener so im at a loss. Please help

 

[CountMike]

Something like this may help: http://www.arcticsilver.com/arctic_silver_thermal_adhesive.htm