Why my computer is slow? & How to Fix it?

As PC users, every one of us expects a smooth running performance from our PCs. But what will we do if our computer is running very slow?

Here you can find the reasons for the slow performance on your PC along with the fixes. So, you can speed up your PC by yourself after reading this article.

The performance of a computer depends on a lot of factors like hardware PC components, software we are using in a PC, and working temperatures of a PC, etc.

This page will help you maximize your system performance based on the level of its components and not more than that. For example, your PC has 4 GB of RAM, so the performance is like 4 GB only but not reach the levels of 8 GB or 16 GB RAM.

In such cases, you should add an extra RAM stick to improve the system’s capability.

Reasons for slow computer performance :

Mostly the normal users and light users are facing this problem because a hard PC user like a gamer needs a High-end PC. And the high-end PC capabilities are more compared to normal PCs.

Considering a normal PC user and his/her system properties, the following reasons are exposed which can slow down a PC. Read the complete article, so that you can find the problem on your PC along with the solution that you need to apply.

Outdated hardware :

First things first. The hardware in a computer determines its capability or performance. A system with outdated hardware can’t compete with the up-to-date computers.

For example, a computer with an i3 processor is supported to play Prince of Persia (my favorite game) but it is not possible to play big games like PUBG, Fortnite, etc. Some PCs able to open the game, but the performance when you are playing the game is very poor.

Up-to-date PCs with i7 or i9 processors can easily handle old games like Prince of Persia and performing well for big games like Fortnite, Call of Duty, etc.

Here I took the processor as an example but all the other parts are also in the count to determine the system performance.

Fix it :

If one or two components in a computer are outdated, you can replace them with new ones. Otherwise, it’s better to build a new PC with the required configuration.

Insufficient storage :

This is the common thing that most people ignore. The storage on a PC will reach its maximum level. As a sign of warning, Windows will indicate the local disk color in Red by default.

You must keep some storage in a disk that is not in use because the Operating Systems needs that to read and write.

“A system with a 250 GB local disk drive is occupied with 249 GB of memory and guess what the system performance is? Obviously, the system is very lag. Even the basic functional buttons are also do not work well. On another side, only 90 GB of memory is occupied in a 250 GB disk drive. The will help the Operating System to read and write the disk properties without any restrictions.”

A normal hard disk (use for keeping files) shows a lag in performance when the disk is full. If a Local disk C (where OS is installed)

Fix it :

Two ways to solve this problem.

  1. Remove the unwanted or useless data from your PC to save storage.
  2. Buy a new storage device (Hard disk, SSD) and make the disk partition in the right manner.

Unwanted cached data :

The data stored by the system even the application is not in use, then such data is called cached data in a system. It is common in every system to store some cached data for smooth performance.

But if it exists more than the acceptable limit, then a system will indicate through slow performance. Because the unwanted cached data or junk files will run in the background, even we are not using the represented application.

In order to maintain stability, the computer can split the operations based on the running programs. If the computer can process the junk data, then the data which we are using now has less priority means a lag in performance.

Fix it :

Basically, there is no need to remove cached data every time. I hate doing it because I’ll try to improve my system capability instead of removing cached data every time. It is a time waste process, and this is the reason I hate it.

However, if you have no other option except to do this, then follow this guide.

Malware attack :

The other thing we need to be sure of is ”Malware attacks.’ If a computer is affected by a malware attack, it will affect its performance.

The data threat will occur in this case. However, it’s better to keep your data safe from online threats. You can find the step-by-step process of activating the data protection on your Windows 10 PC here.

Fix it :

To find whether your PC is suffering from malware or not, run a ‘Quick Scan’ in windows security.

Operating temperature levels exceed :

The electronic devices are designed to operate under specific operating temperature ranges. If the temperature levels exceed that, the system will get damage.

We use liquid cooling for processors and air cooling for other PC components. Too much hot air in a CPU case is also a reason to slow down the system performance.

Fix it :

To optimize airflow in a CPU case, click here.

Dust causes a problem :

Dust is a bad element to the computer and its performance. If a fan holds so much dust, it affects its spinning or RPM, and result in the temperature of the CPU will increase. This leads to damage to the entire system.

As PC users, we should know the importance of PC cleaning. The more dust enters the CPU case, the more problems system needs to face.

Fix it :

Regular PC cleaning is suggestible to avoid problems coming from the dust. You shouldn’t ignore the IO shield placement while building your PC.

The power supply is not enough :

We knew that the computer is working with the electrical power supply. All the components in a computer must use the power supply from the source either it may be AC or DC.

What will happen if computer components don’t get enough power supply? It leads to lag in the system performance and sometimes the monitor will freeze and doesn’t make any change even after a while.

Fix it :

If you have a problem like this, immediately change the power source PSU otherwise the PC components will get damage.

Conclusion :

Hope you will find the problem and fix it on your computer. Still, you have anything to ask, let me know with a comment.

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Author: Aswarth

Hey Guys, I'm an Electrical Engineer who is interested to learn Technical stuff in deep and want to give you the best quality information on this blog.

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