There are many factors that may cause damage to computers and reduce their lifespan, and these are some of the main reasons:
Exposure to stress: Computers can be subjected to high stresses and temperatures, which can damage internal hardware and reduce the life of the computer.
Vacations: Vacations that can occur in your computer can cause damage and shorten its life.
Ineffective maintenance: Ineffective maintenance can cause many problems that can damage your computer.
Viruses: Viruses that may enter your computer can cause damage to the software and the platform.
Irregular modifications: Irregular modifications to the computer can cause various problems and hardware damage.