Chapter 20. PC Diagnostics, Testing, and Maintenance

PC Diagnostics

No matter how well built your PC is and how well written its software, problems can occur. Diagnostic software can help troubleshoot problems when your computer malfunctions or you are in the process of upgrading a system component, or especially when you are building an entirely new system from scratch. This chapter examines several types of diagnostic software, including the built-in POST (power-on self test) as well as commercial and open-source diagnostic software.

You also might find that your system problems are caused by a hardware malfunction and that you must open the computer case to perform repairs. This chapter examines the tools and testers used to upgrade and repair ...

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