[7 methods]Why Is My Windows 10 Slowing Down?

Do you know why is my Windows 10 slowing down? If not, please refer to this article to find out what causes your PC slow and how to fix it with 7 methods.

Posted by @Tina July 24, 2024 Updated By @Tina May 12, 2023

Why is my Windows 10 slowing down?

" Hi, I have a computer used for 2 years and it was always smooth. However, in recent months, it's getting slower and slower: entering web pages is slow, and sometimes it even takes a long time to boot. Why is my Windows 10 slowing down? Does anyone know the reasons? Thanks for your help."

What causes Windows 10 to slow down?

Do you know why Windows 10 getting slower? With the frequent use of the computer, the slowdown of it is irreversible. However, we can speed up the computer in a targeted manner after knowing the factors that cause the computer to slow down. Common causes of computer slowdown are as follows:

◉ Accumulated dust: When you don't clean the dust in your computer for a long time, it will accumulate in the computer and prevent the computer from cooling, which will slow down the computer and damage it. ◉ Too many applications: When too many applications are installed on the computer, they will occupy the computer space and slow down its speed. In addition, the startup program is also a problem that cannot be ignored. ◉ Visual Effects: While visual effects bring a comfortable feel to Windows users, it also takes up much free space on the computer. ◉ File Fragments: File fragments are various scattered files distributed on the disk. Reading these file fragments will reduce the work efficiency of the computer, because it has to keep jumping in the disk. ◉ C drive is fullWhen the system drive (C drive) is insufficient, the system will be under great pressure and slow down the PC.

How do I fix my slow Windows 10

After figuring out why is my Windows 10 laptop slowing down, many users will have new questions- How do I fix my slow Windows 10. Next, we will focus on introducing solutions to speed up your computer.

Method 1. Clean the dust from the computer

When you realize that you haven't cleaned the outside of your computer for a long time, please check your computer as soon as possible and remove the accumulated dust.

Step 1. Turn off the computer and then use a screwdriver to open the computer case.

Step 2. Clean up the accumulated dust from the computer case with compressed air.

Step 3. If there're residual dust, gently wipe it with a cotton swab.

Step 4. Replace the case cover after cleaning up all dust.

Method 2. Uninstall less frequently used programs

Since too many installed applications will occupy the computer space, you can choose to uninstall some unnecessary applications to free up PC space.

Step 1. Press "Window" and "R" to open the run program, then type "control" and hit "Enter".

Step 2. Click "Uninstall a Program" and then right-click the applications you want to uninstall and click "Uninstall".

Note: Here, you can find out startup software by inputting "task" in the Start menu and clicking "Open" to open the Task Manager. Then click "Startup" to see which applications will slow your PC.

Method 3. Turn off Visual Effects

Although Windows 10 Visual Effects provide you with a better-looking GUI, you have to turn it off to speed up your slow computer.

Step 1. Press "Windows + R", type systempropertiesperformance.exe and press "Enter".

Step 2. In the pop-up window, tick "Adjust for best performance" and click "OK" to turn off the Visual Effects.

Method 4. Run Disk Cleanup

You can use Windows built-in tool Disk Cleanup to clean your computer and speed it up. The detailed steps are as follows:

Press the "Windows" key and type "disk cleanup", then click "Open". In the small window pop out, choose C drive and click "OK". Finally, tick the target files and click "OK".

Speed up your slow PC with a reliable PC accelerator

How to solve the problem of file fragmentation and insufficient C drive space? Here, I will recommend you to use the perfect PC accelerator- AOMEI Partition Assistant Professional.

After you've figured out why is my Windows 10 slowing down, you can clean up your PC and run disk defrag with this powerful PC optimizer. In addition, when the C drive space is insufficient, you can allocate free space to extend it.

Let's see how it works.

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Solution 1. Defrag the disk

Because the file fragments distributed in different sectors of the disk, the head needs to waste a lot of time to read them. To improve the efficiency of reading and writing files on the computer, we need to Defragment disk on the computer in time.

Step 1. Open AOMEI Partition Assistant, find and right-click the drive you want to defrag, and select "Disk Defrag".

Step 2. All NTFS partitions on the target disk will be listed, click “Analyze” to analyze the partitions.

Step 3. Wait for a second, it will score your partition status. 

Step 4. Click "Defrag" to start the defragmentation.

Solution 2. Delete Large Files

To speed up your computer, you can use the "Delete Large Files" feature to scan your computer thoroughly and delete all unwanted files larger than 16MB from your computer to free up space.

Step 1. In the interface, click "Free up" and "Delete Large Files" in order.

Step 2. Tick the target partition and click "Start Scan".

Step 3. All the large files it finds will be listed, select the large files you'll delete and click "Delete".(Please note the files in red.)

Step 4. Click "Delete Now" to execute the pending operation.

Solution 3. Allocate free space

If you encounter the problem that your computer slows down due to insufficient C drive space, AOMEI Partition Assistant can help you solve it by allocating free space to C drive.

Step 1. In the main interface, right-click D drive with much free space, then click "Allocate Free Space".

Step 2. Adjust the space size and choose the target partition, then click "OK".

Step 3. Click "Apply" and "Proceed" to start this operation.

Tip: For better computer experience, you can even migrating OS to SSD.

Last words

Why is my Windows 10 slowing down? In this article, we analyzed the reasons that may slow down your computer, sharing 4 methods and a perfect computer accelerator. To speed up your slow computer easily, AOMEI Partition Assistant should be your best choice.

Besides, Windows Server users also can enjoy it, just turn to the Server Edition. If you want multiple people to use AOMEI Partition Assistant, the Unlimited Edition is the most cost-effective.