Sign of Faulty CPU, How to understand my CPU is not working properly ?

A faulty CPU (Central Processing Unit) is a processor that malfunctions, causing issues like system crashes, freezes, errors, or failure to boot. Common causes include overheating, manufacturing defects, physical damage, or power surges. Symptoms may include slow performance, random reboots, or error messages. Diagnosis often involves stress testing or replacing the CPU to confirm the issue.