The central processing unit, or processor, executes commands on a PC. Although the RAM, the motherboard and other hardware do have some effect on a desktop's performance, the CPU is a major determinate of how fast a computer can operate. Businesses shouldn't expect that they'll never have to upgrade their equipment -- if a workstation is performing poorly, adding RAM or upgrading the CPU are standard options if you can't afford to buy a new PC.
Turn off the desktop PC and disconnect all cables. Remove the case cover.
Press the "Power" button to discharge the motherboard. Place the case on its side and then touch the chassis to ground yourself.
Unplug the cable connecting the heat sink assembly to the motherboard or power supply unit.
Remove the brackets or retainers securing the heat sink to the motherboard. Twist the assembly back and forth to release the seal fastening the heat sink to the top of the processor.
Release the latch securing the CPU to the board. Lift up the lid, if applicable. Pull the CPU out of its socket.
Remove the new processor from its protective packaging. Align the beveled end on the CPU with the bevel on the socket.
Place the processor on top of the socket. Push down the latch to secure the processor into place.
Apply a film of thermal grease to the top of the processor. Reinstall the heat sink assembly, then reassemble the computer.
- Phillips screwdriver
- Thermal paste
- Review the documentation included with your computer, or contact the computer's manufacturer, to find out which processors the motherboard supports.
- Not all CPU sockets have a beveled edge. To install the CPU, check the processor and the socket for a missing pin. Line up the CPU with the socket using the vacant pinhole as a guide.
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