Repairing and Upgrading Your PC

Replacing the Processor

The exact steps required to replace a processor depend on many factors, including the type of processor, CPU cooler, motherboard, and case you are using. In the following sections, we illustrate the procedure for replacing a Socket 478 processor. Most other processors, including Socket 462 (A), Socket 754, and Socket 939 models, require similar steps. Socket 775 processors differ significantly, so we illustrate the installation of a Socket 775 processor separately.

Removing the old processor

The first step in replacing the processor is to remove the old processor. To do so, take the following steps:

1. Disconnect the power cord, monitor, keyboard, mouse, and other external peripherals, and move the system to a well-lit work area. Again, the kitchen table is traditional. Remove the cover from the case and clean the system thoroughly, inside and out. There are few things less pleasant than working on a filthy system.

   Cleanliness Is Next to Goodliness

   One of our tech reviewers suggests precleaning the system in a less dirt-sensitive location, such as a garage workbench, prior to moving the computer onto the kitchen table for the balance of the process. This precaution enhances domestic bliss and increases the possibility of budget increases when it comes time for the next upgrade.

2. Examine the system to decide whether to remove the motherboard before proceeding or to install the new processor with the motherboard in place. That decision depends on many factors, including ...