Why is my PC lagging all of a sudden? [Solution]

So what should you do if your PC seems to be slowing down? Here are five possible causes with tips for solving them.

Why is my PC suddenly lagging – All causes and solutions

Too many background programs

If you run too many applications in the background without closing them properly, they will make your Windows operating system (OS) slow. This is because every program requires a certain amount of memory space to function properly, which means that if an application uses more than its allocated share, other processes cannot reach their full potential.

To fix this problem, go to Task Manager “Processes Tab” Highlight each process you want to close and click the End Task button. If you need help finding specific processes, right-click anywhere in the window and choose Select Columns – “Application Name Column Header. To automatically close inactive apps, go to Start Menu “Run” type services.msc in the box and press the Enter key.

In the Services menu, find the Startup type field and change it from Automatic to Manual. Also check Hide all Microsoft services under General settings.

Finally, click on the Apply changes button and restart your computer.

This method also works if you have multiple browsers open and/or have many active windows. You can also try manually disabling unnecessary startup items using the MSConfig utility or disabling these features in the browser itself.

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For example, Firefox users can easily disable plugins through the Tools & Options window. Internet Explorer users can disable ActiveX controls through the advanced settings. Users who prefer Google Chrome may want to take advantage of the Speed ​​Up Your Browser extension. It allows users to disable cache and cookies, delete unused images, scripts and plugins, and much more.
Another way to speed up your computer is to uninstall unwanted software. While you probably won’t see the actual difference after doing that, it will definitely improve performance.

Hard drive completely full.

The hard drive contains information about files stored in various folders including documents, pictures, music, videos, etc. When the hard drive becomes full, it starts to slow down due to limitations in reading data from discs.

To resolve this issue, you must first determine whether the slowdown is caused by a file size limitation. Then delete smaller files until the hard drive has enough empty space. Once you reach the maximum file size limit, you will need to upgrade the storage capacity or move these large files elsewhere.

You can free up additional space by going to Control Panel “Uninstall Programs / Features (XP) or Applications folder.

Open Add or Remove Programs to remove installed components. Alternatively, you can download CCleaner, a great tool specially designed to remove the clutter from your registry and improve its overall performance.

Another option is to move non-critical files to external drives. This way you don’t waste time rummaging through long lists of files to figure out where to store each individual item.

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Program has a RAM leak when RAM is 100%

RAM plays an important role in the computing power of computers. Each new app opened creates additional items in the page table, increasing the potential for fragmentation. Therefore, if multiple apps are constantly opened, they still affect performance even when closed.

The best thing you can do is allocate more RAM to critical tasks such as email clients and web browsers.
However, if your machine only has 256MB of RAM, consider upgrading to 512MB or more. Of course, it can’t hurt to install more RAM sticks if you already have them. Remember not to mix brands! Otherwise, you risk damaging the motherboard.
On the contrary, if you notice that your PC slows down when you run high-definition video content, you are probably experiencing a RAM bottleneck.

Therefore, we strongly recommend that you upgrade your RAM before purchasing expensive graphics cards.

CPU failure or overheating

The processor is responsible for executing commands given to it by the operating system. Processor failure results in poor response times, stuttering video playback, crashing applications, freezing screens, etc.

The first step to solving the problem is to check the temperature levels. Go to Control Panel “System and Maintenance” System “Status”. Look for temperature readings and compare them to the manufacturer’s specifications.

Next, you could try installing thermal paste between the heat sink and the CPU core. A damaged fan can also lead to overheating CPUs.

Finally, you can replace the old heatsink with something that better suits your system.

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Damaged hardware

Damaged cables, loose connectors, bent pins, broken fans, etc. can hinder the proper functioning of various parts of your computer. Fortunately, you can often identify issues that cause delays just by looking around the case.

Keep an eye on your cable management to avoid tangling. In addition, pay attention to any signs of impending malfunction, such as flickering lights, loud buzzing noises, smoke coming from the vents, burning smell, etc. If necessary, contact the repair center immediately.

Hopefully now you know what kind of problems slow down PCs and some of the solutions.

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