Five Reasons Behind Your Slow Computer

Reasons behind your slow computer or laptop

Performance issues are widespread problems you face when you use your system over time. Here, you can count several of these reasons that negatively affect your system performance.

The good news is that you can fix many of these issues with a small tweak in settings or by other means. In this article, we have discussed 5 reasons that could make your system run slow.

Reasons Why Your Computer is Slow

1. Disk Fragmentation:

Disk fragmentation is one common problem that affects your system performance negatively. Disk fragmentation is a process where you find data on your system’s hard disk spread across various locations in fragments, and it increases the time to read and write the data on your disk.

When you perform different tasks on your system like adding or deleting files or applications or resizing them, it creates fragmentation on your system disk space over time. Here, it takes more time for your system hard disk’s head to read or write any file or data from the fragmented disk.

Hard disk drive fragmentation
Hard disk drive fragmentation – Source:

For example, if you have deleted a 5 MB file recently and saved another 10 MB file, then the first 5 MB of the newly saved file will be stored in emptied 5 MB space, and the rest will be saved at another location.

Thus, it will fragment the data into different contiguous sectors. When you try to access this file on your system, your system hard disk’s head will go to two different locations to find that single file, increasing file search time.

When you keep on adding, removing, and resizing files continuously, it will clutter and fragment your disk space. Disk fragmentation on your system may cause lags, sudden crashes, long boot times, or other performance issues. It may even completely halt the boot process. To fix this issue on your system, you can look for a disk defragmenter utility on your system that comes built-in on all Windows versions.

2. Duplicate Data:

This is another major issue that affects your system performance significantly. Duplicate data in digital junk accumulates on all systems and devices in different forms and types.

Here, these unnecessary files may accumulate due to reasons like multiple times data downloading of the same file, same file-sharing from different apps, when you take data backups of the same files, and due to other reasons. You can find duplicate files in similar images, audio & video files, identical documents, etc.

Dealing with Duplicate Data
Dealing with Duplicate Data

This unnecessary lot of files not only occupies valuable disk space but also makes your system run slow. To deal with duplicate files issue, you can perform manual cleaning of your system to sift through each file and folder of your system searching for identical files.

Here, this process consumes a lot of time and effort. The next best solution to deal with duplicate files is to use duplicate file finder tools. Smart algorithms work on smart algorithms to effectively scan, detect, and remove all identical files from your system. You can even use these tools to schedule a scan process to save your valuable time.

3. Background Services:

Your system resources are not only consumed by the apps or services that you use actively on your system but it is also drained by the unnecessary apps & services that run in the background.

Here, many apps & services keep on running in the background to keep you updated about the latest notifications and offer you other information. While some of these service notifications are useful to you, the rest only consume your valuable system resources making your system run slow.

Background Services
Background Services are the reason for your slow computer.

Here, a lot of bloatware items that come pre-installed on your system also consume system resources for no good reason. Thus, it is suggested to eliminate all such unnecessary data and applications to speed up your system performance. To do this, you can perform a manual cleaning or you can use some other tools for effective cleaning.

4. Over-Occupied Disk Space:

Over-occupied storage space could be a trouble for any system or device. Here, your system accumulates many junk files over time in the form of temporary files, cache files, log files, old system files, obsolete apps & software, duplicate files, and other unnecessary files. While these files accumulate over time in different forms, cleaning these files becomes cumbersome for any user.

Hard Drive Disc
Finding the Bad Sectors on a Hard Drive and Fixing Them

To deal with these unnecessary files, you can either follow the manual process, which consumes a lot of time and effort or can use the best PC cleaner tools for instant and effective results. Here, these smart tools work on powerful search engines to help you find and clean all junk files effectively. Once you manage to get rid of these unnecessary files, you can see faster and smoother system performance.

5. Malware Issues:

Malware affects your system performance negatively and makes it run slowly. Here, you can find malware threats in different forms, including spyware, scareware, ransomware, Trojan Horses, Grayware, Worms, rogue software, and others. While much of this malicious software is designed to steal your data, many of these affect your system performance negatively.

To deal with malware threats on your system, you can follow some preventive steps or use the best antimalware tools for effective results. Antimalware tools work on powerful search engines to help you find, remove, and quarantine your system storage space effectively.

Warning - Malware Detected
Protect your system from Malware


While there could be numerous reasons behind slow performing systems, here we have tried to discuss some major issues that affect your system performance negatively. By fixing these basic issues, you can expect improved system performance instantly. If you know more about these useful steps, feel free to comment below.

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