Deep PC Cleaning: Make the Computer Run Faster!
No one wants to use a slow computer. If you're looking for a deep PC cleaning service, you've come to the right place, this article will teach you how to clean your PC from the outside and inside.
By Dervish / Updated on July 11, 2025
Why need a deep PC cleaning?
Why is my computer running so slow? It is normal for computers to run slower with age. Aging hardware, network issues, junk files, dust are all causes of PC slowdown. If it is the first two, there is no other way but to replace the hardware device or network. If it's the latter two, then you may need to deep clean your PC.
▶ Deep clean PC from dust
The host will generate static electricity, and static electricity will attract dust. Excessive dust will cause poor heat dissipation and affect the performance of the computer. In order to make the computer's heat dissipation better, regularly cleaning the excessive dust in the chassis can not only improve the running speed of the computer, but also prevent the hardware from being burned out due to excessive temperature and prolong the life of the computer.
▶ Deep clean PC junk files
After using the computer for a long time, a lot of junk files will appear on the computer. Such as caches, unwanted files, corrupt registry keys, duplicates, outdated data, cookies, temporary files, recycle bin files, etc. Since junk files take up a lot of drive space, insufficient drive space may cause PC suddenly slow down or experience other performance issues. In order to make your computer run faster, it is very important to clean up junk files regularly.
For healthy, whether it is junk files or dust, you'd better clean your PC every 3 or 6 months, so as to keep the performance of the computer in good condition.
How to deep clean my computer for free
From the content just now, you have learned that deep PC cleaning is divided into internal cleaning and external cleaning. Next, I will show the specific methods for you respectively.
▶ How do I clean dust out of computer?
If you want to clean the dust inside the computer host, please refer to the following steps:
1. First, use a screwdriver to unscrew the screws of the chassis, disassemble the chassis, and remove the chassis baffle. It can be clearly seen that the dustiest locations are the graphics card, cooling fan, hard disk, and the bottom of the chassis.
2. Remove the removable parts such as the graphics card, hard disk, memory card, etc., and wipe the surface with a dry cloth. If it is uneven, use a brush to clean it. The cooling fan can be cleaned with a blower. Be careful not to use hot air.
3. The metal socket of the memory stick needs to be gently wiped with a rubber, which can effectively remove dust and rust, and then wipe off the rubber residue with a paper towel.
4. The bottom and surface of the chassis can be cleaned with a damp cloth, but you need to wait for it to dry.
5. After cleaning the dust, close the cover on the side of the main box, and then screw in the screws. At this time, when you turn it on again, you will find that the performance of the computer has been improved to a certain extent and the sound of the host computer is much quieter.
▶ Download the best PC Cleaner for free
How to deep clean computer files? To clean PC junk files, the most important thing is you need a trusted PC Cleaner.
I highly recommend you to use AOMEI Partition Assistant for Cleanup, a disk partition management freeware compatible with Windows 11, 10, 8, 7, and Windows Servers. Its "PC Cleaner" feature provides deep cleaning PC service. It performs a deep scan of your device (the time it takes to scan depends on the total capacity of the drive) and then automatically sorts all junk files. After scanning, you can click "Select all" to clear all kinds of junk files and free up more space.
Please download this freeware to try deep PC cleaning.
AOMEI Partition Assistant for CleanupFree Up Disk Space To Keep Your PC Running Smoothly and Efficiently
Step 1. Install and launch AOMEI Partition Assistant for Cleanup. Click the "Clean Junk Files" tab.
Step 2. Click the "Scan Now" button to start the process of scanning junk files.
Step 3. After the scan process is finished. All system junk files (including recycle bin files, temporary files, log files, invalid shortcuts, and so on) and registry junk files (including DLL registry, system registry, and program registry) will be displayed.
You can also click the button behind to view the junk files details.
Step 4. And, you can click the button behind to locate the file.
By default, the program will select some junk files to clean up, for example, temporary files, log files, and so on. You can also manually check to select more or uncheck to deselect fewer listed junk files. Or, click "Select All" to select all junk files to clean up if you need to clean up all.
Step 5. After selecting junk files that are not needed anymore, you can click the "Clean Now"button to start the cleanup.
The process of the cleanup might take time, and the selected files will be cleaned up. After the process is finished, you will get a cleanup completed window displaying how many files you have cleaned and not yet cleaned.
Final words
This is the whole process of deep PC cleaning. You can clean your PC from both the inside and the outside, and this article also provides you with detailed steps to resolve it.
