Dell Inspiron 15R Owner's Manual page 61

Procedure
To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the
1
ZIF-socket cam screw counterclockwise until it comes to the cam stop.
CAUTION: To ensure maximum cooling for the processor, do not touch the heat
transfer areas on the processor thermal cooling assembly. The oils in your skin
can reduce the heat transfer capability of the thermal pads.
CAUTION: When removing the processor module, pull the module straight up.
Be careful not to bend the pins on the processor module.
Lift the processor module from the ZIF socket.
2
1 processor
3 pin-1 corner
60
| Processor
1
2
2 ZIF socket
4 ZIF-socket cam screw
4
3