Warning: Avoid static discharge by grounding yourself using a wrist grounding strap or by touching a bare metal surface like a connector on the back of the laptop and remove all of the power including the battery and power adapter.
Warning: Make sure all data is backed up before removing or replacing your hard drive. Laptop hard drives are very sensitive and can be damaged easily. Handle with care.
Warning: Performing your own repairs may void you warranty!
Notice: Part installations may require BIOs updates.
Notice: After removing or replacing the CPU or heatsink make sure to replace thermal compound or thermal pads on the CPU and heatsink.
Notice: After replacing the heatsink make sure to tighten the heatsink screws in the order listed on the heatsink.