Why do computers slow down with age?

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Computers can slow down for a variety of reasons, it could be hardware and software or anything else that directly or indirectly impacts the overall performance and then things start to slow down.


Let’s see those reasons why computers may slow down with age:

Hardware limitations.

Over time, the hardware components of a computer can become little outdated, and may not be able to keep up with the demands of newer software and applications. So there is a need of a hardware upgrade or complete system.

For example, if a computer has a slow processor or not enough memory, it may struggle to run newer, more resource-intensive programs.

If the computer system is more than 5 years old, you should get a new one and aim for a component upgrade only if it is around 3 years old.


Overheating is a big issue in computers it can even kill the computers. Over time, dust and debris can accumulate inside a computer’s case or cooling components, which can cause components to overheat. This can lead to thermal throttling, where the system automatically slows down to prevent damage.

The easiest way to find overheating by checking computer’s temperature. CPU, GPU, and other components forced to under perform to limit the heat.

You can use this free tool to monitor hardware temperatures.

Look for CPU fan, chassis fan, or other cooling system.

If you can clean the computer system yourself then always have some tissue papers, screw drivers, air blower, isopropyl alcohol, and thermal paste handy.

Software updates.

You cannot ignore software updated, if you really want to explore new feature. But do you know that even software updates can cause computer slowdown.

As software is updated and new features are added, the demands on a computer’s resources can increase. If a computer’s hardware is not able to handle these demands, it can slow down.

Since software update frequency has increased these days this issue is common.

Operating system updates.

Similarly software updates, as operating systems are updated, they may become more demanding on a computer’s hardware.

If a computer is not able to meet these requirements, it may slow down.

Want to revive old computer, why not run Linux on it!

Malware and other software issues.

Malware, viruses, and other software issues can also cause a computer to slow down. These problems can consume resources, slow down processing speed, and cause crashes. It is recommended to use at least default antivirus to protect your computer from malware and viruses and avoid visiting unsafe sites.

Fragmented hard drive.

As a computer’s hard drive becomes more fragmented, it can take longer for the system to find and access files, which can slow down performance. This issue may not be possible with SSD (Solid State Drive) or NVMe (NonVolatile Memory Express) drives as they do not get fragmented like HDD (Hard Disk Drive).


Overall, the age of a computer can have a significant impact on its performance, as newer hardware and software can place increasing demands on the system.

Regular maintenance, such as software updates, malware and virus scans, and cleaning the computer’s components, can help to mitigate majority of these issues and keep the system running smoothly.

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