6 Reasons Why Your Laptop is Slow and How to Fix It

Remember the feeling when you first got your new laptop? No lags, no freezes, no hangs — everything was brand-new and it seems just perfect!

Funny enough, this is how we think (and promise sometimes) when we got a new laptop on day one:

“Alright, this time no more video games, no more photo/video editing. I’ll keep it clean and make sure it’s fast to do work.”

Over time, things started to change. You notice your laptop began to act up, for example, taking longer to start up, freezing now and then, and many a time you couldn’t help but scream out: why is my laptop so slow?

If this sounds familiar to you, then you come to the right place. Here, we are going to show you the common causes of a slow laptop and what you can do to fix them.

Note: this article is for Windows-based laptops. If you’re using a MacBook Pro or MacBook Air, take a look at this or this article.

Reason 1: Windows is Updating

This is, unfortunately, the most common cause of a new laptop running slowly. Your laptop has plenty of storage and the CPU is almost new, there’s no reason for it to lag, right?

But, Windows 11 or Windows 10 jumps in and keeps you waiting for half an hour once you press the start button. Sound familiar?

What to do about it: well, it’s really annoying to see the black screen with a circling icon going on and on. However, you can’t do much about this during a Windows 10 update.

Microsoft chooses to do so for the security of your computer. Because 1 in 10 computers is infected with viruses each month, according to statistics by World Backup Day.

To manage Windows updates, check out this video:

Reason 2: Too Many Programs Running at Once (Especially on Startup)

A laptop is still a computer. Its brain (processor, memory, etc) is just like we human beings. Handling multiple tasks simultaneously will slow you down. That’s why many of us don’t believe in multitasking.

The symptoms of having too many applications running at once on a laptop include but are not limited to: the software you run becomes unresponsive, the mouse cursor freezes or barely moves, Windows takes longer or forever to shut down, and even worse, the whole system crashes.

What to do about it: Start with optimizing the startup list by removing or disabling apps or services that automatically start.

Solve this with efficiency with CleanMyPC. Also, if you are using a new laptop, it’s probably bundled with lots of bloatware, uninstall them.

Next, check what tasks are running in the background and how many system resources are available.

Task Manager is the place you can check and have a clear overview. Kill those heavy processes that you don’t need.

Note that in some cases it’s the security software that is over-consuming your laptop’s system resources. Make sure you are using a lightweight one like MalwareBytes and adjust relevant settings properly.

Reason 3: Running Out of Disk Space

Although it’s a myth that more disk space means a faster laptop, in general, it’s good practice to maintain at least 15 percent of free space on your laptop hard drive. This helps boost your laptop performance quite a bit and eliminates freezing issues.

What to do about it: Go ahead and clean your laptop’s main drive. Unfortunately, it isn’t as easy as it sounds because there isn’t a one-fits-all fix.

We recommend you start transferring big files, especially videos and photos that tend to take more disk space than other types of files. Followed by removing applications you don’t often use, especially those third-party programs that take gigabytes in size.

Lastly, if you want to save time doing so. Get CleanMyPC and use the Uninstaller feature and several other helpful features for efficiency.

Reason 4: Virus/Malware is Slowing Down Your Laptop

It’s no surprise that viruses or malicious software can cause serious damage to any PC, as well as bog down its overall performance.

Once you feel your laptop really acts up, for example, unable to shut down the system, everything lags, web browsers locked up with tons of flash ads, etc; Most likely they’ve got you.

What to do about it: Simple! Check if your laptop has been infected by running an antivirus and anti-malware scan.

Microsoft has the built-in Windows Defender which is supposed to keep your laptop from any malicious threats. However, it’s not the best security software. We find Bitdefender Antivirus Plus superior and it is much easier to use.

There are, of course, plenty of good options available. Just keep in mind to update your security software regularly.

Reason 5: Overheating is Burning Your Laptop

Any laptop computer will warm up when the CPU is running hard to process requests, and you’ll sense the fan working hard trying to cool it down.

When the heatsink tubes inside your laptop are filled with dust, or your PC is exposed to high temperatures, chances are overheating is going to take place. If that happens, the consequences can be enormous.

What to do about it: First off, get a cooling pad like this for your laptop as this helps quite a bit. Then check if the heatsink is stuffed, and use a can of compressed gas duster to blow it out.

Additionationally, avoid opening several programs at the same time especially those “heavy” apps like Photoshop, Premiere, etc. that demand more resources to run smoothly. Once again — less or no multitasking at all.

Reason 6: Faulty or Outdated Hardware

If your laptop has shown its age, the reason why it runs slow now is probably due to hardware issues.

The hardware we are talking about here refers to an under-performing hard drive, and inadequate memory (RAM). For instance, 4GB RAM is perhaps the minimum requirement when you use your laptop for basic office work and web browsing.

Source: LaptopMag

What to do about it: So, if you’ve tried everything else and your notebook is still sluggish, try to upgrade the hardware.

How? There are two best practices here: adding more RAM, and replacing your HDD with an SSD. SSD stands for solid-state drive which is way faster and better than a traditional spinning drive.

If the memory (RAM) is the bottleneck, get an extra one like Crucial 8GB Single DDR3 or Kingston Technology 4GB.

If you decide to replace the old HDD with a new SSD, consider Samsung 860 EVO or SanDisk SSD PLUS.

Note that a hardware upgrade will be a costly solution but compared to abandoning the old laptop and getting a new one it’s still a wise choice.

One more thing: if you’re not comfortable with computers, it’s best to ask a geek friend for a favor while you do the upgrade. And remember to backup your data before you proceed just in case.

Final Words

I hope you find this laptop troubleshooting guide useful. Obviously, there are many causes for a slow laptop and your case can be very different from others.

But, we’ve seen or experienced some of the issues that are common to what users are encountering, thus we decided to put together this article.

Anyway, a faster laptop is better than a slow one. When a laptop runs slowly, it not only affects our work productivity, but it’s also bad for our health according to this study.

Understanding what’s causing your laptop to slow down is the first step, then you know what needs to be done to fix the culprits. So Which one is the “tuneup” fix that helps? Leave a comment and let us know.

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  • Lou

    Thanks for this article. Good information. At least ive got few points to consider

  • Eric Jhonson

    A very nice articles, you have mentioned the all the possible reasons for a laptop slowing process.

  • Maui

    Thanks Jessica! Great suggestions! If I may add, I have found that having lots of tabs open for either Chrome or Firefox slows things down to a crawl. Unfortunately, processing resources seems to be build around mobile capability nowadays, and you can see the results.

    My phone seems to have waaay more processing power to navigate multiple, multiple tabs, while my laptop lags. Advertising and tracking unfortunately are the load balancing layer that noone talks about, but if you have more than 5 tabs open and one is twitter and a news site, forget it. I think we may be moving into a clutter-less internet, hopefully

  • Keith A Hutcheson

    Thank you ..and I appreciate the way you explained everything ..I just started online school to learn … Getting a BS in information technology .. either way I learn a lot from this experience and I really appreciate your expertise in this area .. your picture is wonderful .. and have a great holiday …

    hp slow and going to try your suggestions..?

  • Spark

    Thanks for this useful information. I like it, this helps me a lot.

  • Christine Simmons

    Really helpful thanks. I hadn’t considered overheating, (which has caused the laptop fan to come on once during the current heatwave). I bought a cooling pad for the dog, but now I am going to use it for the laptop! (Might get another for the dog!)

  • Usman Akram

    Awesome Post Jessica. I can relate to some of the things as I have experienced the by myself. For example the update of Windows 10 and Storage Disk running out of Memory were the things responsible for making my Laptop slow.

  • Inyene

    Very interesting article.
    Please i would welcome more articles as regards system maintenance.

  • Gerhard

    My laptop start up takes 2-30. It ussualy took about took bout .45 sec.