In order to install an I.C.E cooling the K45's or K48's motherboard must be removed. 
Please see the step-by-step graphical illustrations:
-  Unplug the ATX 1 and 2 power connector from the motherboard.   
-  Unplug the Front Panel internal  USB-  cable from the motherboard. 
  
-  Unfasten three screws from the back of the K45 to take the power supply unit out of the chassis.   
-  Once the power supply unit is removed, please unfasten another six screws from the motherboard and remove the motherboard.   
-  Fasten all four screw standoffs on the platform.   
-  Make sure each standoff is properly screwed in place.    
-  Re-install the motherboard and make sure the standoffs underneath line with the screw holes on motherboard.    
-  Apply thermal compound on atop the processor.    
-  Install the I.C.E. cooling, re-fasten all four spring screws and plug the fan connector into FAN1 on the motherboard.    
-  Re-connect the ATX 1 & 2 power connectors as well as the Front Panel  USB-  cable and  SATA-  cable. 
 