Is your computer running slow windows 10 and all you are wondering is how to fix a slow computer? If yes, then I am here to help you out.

There is no doubt that it is no less than frustrating when your computer gets slow. To perform a simple task, you have to wait for your computer to load a program or complete an action. And this is really a headache to deal with why is my computer slow.

However, in this article, I am going to mention a couple of fixes that you can try out to get rid and give slow computer fix. So here we go:


One of the first things that you can do is a reboot. There are quite a lot of users who do not reboot their computers. Instead, they put it into the sleep mode and check how to reboot computer. However, if this is the same case with you, try rebooting your computer once.

Background programs

Another common reason for a slow computer is that there are multiple apps running in the background. Hence, they are eating up more memory of your computer is one of the best slow computer solutions. However, you can easily get rid of this error by removing or disabling any TSRs or startup programs which are automatically get started each time you launch your computer even with slow computer windows 10.

In case, if you have any antivirus program installed on your computer, or spyware protection program or any kind of security tools. Then, you can use them to scan your computer in the background that can also lead to slow computer windows 7. In case if a scan is in progress, then it will automatically decrease your computer’s performance.

And in case if this is the case, then let the program complete the scan and use your computer. Or you can simply disable the antivirus program for a while with slow computer troubleshooting steps and you can speed up computer windows 10.

Delete temp files

As your computer runs, temporary files start to store on the hard drive, and by deleting these temp files, you can actually improve your computer performance.

So first of all, I would suggest you to use the Windows disk cleanup utility to delete all the temporary files and other files which are not needed by your computer to make why does my computer run slow.

However, disk check cleanup may not delete every file in the temp directory. Hence, I would suggest you to delete temporary files manually. For this, you can go to the start menu and then type down %temp% in the Search field and hit the enter button and may slow computer after windows update.

In case, if you are using Windows XP, then go to the Run option at first and then enter %temp% in the Run field. Press Enter and a Temp folder should open. After that, select all the files and delete them together.

Free hard drive space

You can also make your computer fast by freeing up hard drive space. Make sure that there are at least 200 to 500MB of free space available on your computer. This would give your computer enough room to swap files and enough space for the temporary files.

Bad, corrupted or fragmented hard drive

Bad, corrupted, or fragmented hard drives can also make your computer slow. To fix this, you can run a ScanDisk, chkdsk programs which can lead you to search why is my pc so slow. Or you can run Defrag to ensure your data is arranged in the correct way.

Scan for viruses

You can also scan for viruses on your computer. In case if your computer is infected by viruses, then it can make your computer run slow. Even, if you do not have any antivirus program installed on your computer, then you can use the Trend Micro’s free Housecall online utility to scan for viruses on your computer, as well as remove them where you need why is my computer running slow. Also, it is important to have an antivirus program installed on your computer.

Scan for malware

You will also have to look for malware existence on your computer. Spyware and malware are the biggest threats to computers, and they cause quite a lot of programs. And for this, you must have a malware scanner installed on your computer along with an antivirus application.

Hardware conflicts

Did your computer become slow after making changes into the hardware? If yes, then there is a high chance that you are facing a hardware conflict. Make sure that the device manager has all the drivers installed correctly. If not, install them correctly, and it should fix your problem.

Update Windows

Are you installing Windows updates regularly? If not, this could also make your Windows slow. Make sure to have all the Windows updates installed on your computer.

Alternatively, if your computer became slow after installing updates. Then make sure to uninstall the updates and check if it is working for you or not so that you know why is my computer running so slow.

Update your drivers

You should also make sure that all the drivers installed on your computer are up to date. Especially, you should have the latest video drivers. By having up to date drivers, you can minimize this kind of errors.

Run a registry cleaner

Normally, I would not recommend you to use registry cleaners. However, if the above methods did not work for you, then you can try running a registry cleaner on your computer and see if it has fixed your issue or not.

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Memory upgrade

If your computer is more than two years old, then you might have to upgrade your memory. As applications are getting better day by day. And it is becoming a hard task for old computers to run new programs smoothly.

However, by getting a memory update, you will be able to solve the slow computer issue. In today’s time, I would suggest you to have at least 4 GB of RAM on your computer. By having enough memory, you will be able to run your programs smoothly.

Hard drive upgrade

You can also go for a hard drive upgrade. Since one of the most important parts of a computer is the hard disk drive. But the thing is that hard disk drives are slow. But by upgrading to a Solid State Drive or SSD when you know how to upgrade hard drive. You will be able to improve your computer’s performance drastically.

Computer or processor is overheating

Is your computer or processor is overheating? If yes, then it could make your computer slow. Excessive heat can cause a decrease in computer performance. Because most of the operating system automatically reduces the speed of the processor to fight against the overheating issue.

Make sure that your processor is getting enough cooling. As well as there is no dust in your computer’s CPU. As this could reduce down the performance of your computer.

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Increase or upgrade the processor speed

You can also increase or upgrade processor speed. By increasing the speed of your processor or CPU, you will help your computer to offer you better performance. And when it comes to increasing processor speed, there are two options, which are the overclocking and upgrade.

By overclocking, we simply mean that we are increasing the speed of the CPU beyond it is designed to run stably. This can increase the processor speed. But on the other hand, you will need to make sure that your CPU supports overclocking.

And if it does, then you should know that it will generate a lot of heat. And you will need a better heat sink to cool down the temperature.

However, the safer alternative to this would be upgrading your processor and why is my computer so slow all of a sudden. If your processor is quite old, then it would be the right idea to upgrade your processor to a new one. However, when it comes to getting a new processor, you might also have to purchase a motherboard and memory so you can know why is computer so slow.

Erase computer and start over

Finally, you can erase your computer and start over. In case none of the above methods did not work for you, then you better reinstall your Windows and install everything back to your computer.

By reinstalling windows, you will be able to increase the performance of your computer. As it would help you to get rid of the old software and drivers.

Also, by installing a fresh copy of Windows, software programs and the latest drivers will make sure that your computer no longer has software issues, which can cause a slower computer to make windows running slow.

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Final Words:

So that was the answer to your why is my computer so slow windows 10 question. Now go ahead and check these steps out and see how they are working for you. Also, if you have any more questions to ask like slow computer after windows update, then do feel free to comment below or you can ask on official questions website here.