[Explained] Does Cleaning PC Improve Performance?

When talking about “Does cleaning a PC improve performance”, the answer always is yes. In this article, we will explain why in detail and show you how to clean up the computer from the inside and outside.


By Tina / Updated on May 12, 2023

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Does cleaning my PC improve performance?


"My Dell computer is weird right now, running very slow and sometimes stuttering. I've tried uninstalling software that I don't use frequently, but with little success, so I decided to clean up my PC completely. Does cleaning my PC improve performance? Is there any recommended PC cleaning software? Any help would be appreciated!"

dell pc

Does cleaning your PC improve performance? The poor computer status is actually the result of a combination of internal and external factors. There're not only dust intrusions outside the PC, but also various junk files are hidden inside. Therefore, in order to improve performance of the computer, we need to clean up your PC from the inside out.

How to clean computer dust in a right way

Does cleaning out the dust on a PC improve performance? Dust outside the computer has a large negative impact on the performance of the computer, because it keeps the components in the main computer at a high temperature and reduce the operating efficiency of the entire system. Therefore, cleaning the dust outside the computer can improve the performance of the computer and prolong its life to a certain extent.

What can I do with the dust on my computer? You can learn from the following methods:

Step 1. Remove the dust with a vacuum cleaner and debris from the host computer before turning it on.

Step 2. Open the host computer with a screwdriver and remove the cover, you can see a lot of dust inside the computer, especially the graphics card, cooling fan, and the bottom of the case.

clean pc dust

Step 3. Remove and wipe the surface of all parts with a dry cloth, if the surface is uneven, use a brush to clean.

clean motherboard

Step 4. After dust removal is completed, close the cover on the side of the main chassis. When turned on the PC again, its performance may have improved.

close case

How to clean junk files to free up space

Does cleaning PC improve performance? If users left junk files uncleaned on the PC, they still can’t completely solve the problem of slow PC, even if the dust has been swept off. In order to speed up your PC and improve its working efficiency, we also need to regularly clean up the junk files. 

After getting the affirmative answer of "Does cleaning your PC make it faster", you may need a reliable junk file cleaning tool. Here, we will recommend AOMEI Partition Assistant Standard for you.

You can download it for free and use its "PC Cleaner" function to comprehensively retrieve all junk files in the computer, especially system and registry junk files. Then after choosing the target junk files according to your own requirements, the "Clean All" key can completely expel them from the computer.

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Step 1. Download and run AOMEI Partition Assistant Standard, in the main interface all the disks and partitions on the PC will be displayed, click "Free up" and "PC Cleaner". 

pc cleaner

Step 2. You can estimate how much memory can be freed up, click "Start Scan" to scan all junk files on your PC.

start scan

Step 3. The progress bar reflects the scanning process. After the progress bar is loaded, you can proceed to the next step.


Step 4. The scanned files will be listed, you just need to tick the junk files you want to delete and click "Clean All". (Some unimportant junk files are automatically selected by this software.)

clean all

Step 5. After the deletion is complete, you can click "Back" to return to the main interface for other operations.

click back

In addition to junk files on the computer, there are also some large files that we do not use frequently. To clean them and free up PC space, you should upgrade to the Professional Version. Its "Delete Large Files" feature will more deeply scan and delete large files on your computer that are not identified as junk files.

Step 1. Download and open the Demo, click "Free up" and select the "Delete Large Files" option.

delete large files

Step 2. All partitions will be listed, you should tick the partitions you need to scan and click "Start Scan" the large files on it.

start scan

Step 3. All the large files on the target partitions will be found, choose the large files you want to delete and click "Delete".

click delete

Step 4. The detailed information about the large files will be displayed, look through the information carefully and click "Delete Now".

delete now

Tip: If you don't want to delete some installed applets from a drive that is nearly full, you can use App Mover to move them to another drive.

Last words

Does cleaning PC improve performance? In this article, we have given the answer and brought you a free computer cleanup expert which you can trust. By the way, if your computer system is Windows Server, fortunately, we also prepared a Server Version for you.

Tina · Staff Editor
Tina is an English editor of AOMEI Technology. She has a positive attitude and full of energy. On her work, she always keeps thinking to figure out the solutions for users' problems, and writes the answers so that can help someone. In her daily life, she likes to sing, watch TV and sleep. She always being grateful and happy to all the things happened and all the people encountered.