5 best diagnostic tools for your PC


We all know that sometimes PCs have problems and quirks. Even brand new computers can have their share of problems. When they do, we want to fix them as quickly as possible.

Fortunately, there are hundreds of diagnostic tools to help you fix just about any issue you might have with your Windows computer. If your computer is down, a diagnostic tool may be the solution you need. We’ve rounded up five of the best diagnostic tools for your PC.

If you are concerned about the security of your devices, tap or click here to explore our selection of antivirus software.

1. Windows memory diagnostic tool

If you’re not a fan of third-party apps, you’re in luck. The Windows Memory Diagnostic Tool is built right into the operating system, so you won’t have to download anything else.

What does it do? It scans your RAM to see if there are any errors. Once it finds the error, it will tell you where it is so you can fix it. It’s relatively simple to perform:

  • Hold the Win + R keys to open the Run dialog box.
  • Type mdsched.exe.
  • hurry Enter.
  • The program will ask you to restart your computer now to check for issues. Make sure you have saved all work before clicking this option.

2. Wi-Fi analyzer

Have you ever struggled with slow internet? Slow Wi-Fi can cause problems, so if your Wi-Fi isn’t meeting your expectations, try using the free Wi-Fi Analyzer tool.

The tool scans your network to see if it is working efficiently or if it needs to be changed or moved in some way. Once its diagnostics are run, it will tell you your best options for getting a better Wi-Fi signal.

3. Performance monitor

No matter what version of Windows you have, it contains some form of Performance Monitor to keep your computer running smoothly. In Windows 10, it now exists as a separate app that came with your computer.

Once launched, it shows how much of your CPU is occupied when you open the app, but you can add different widgets to give you more information including energy used and disk usage.

Here’s how to find it in Windows 10: Type Performance monitor in the search box in the lower left corner of Windows. Select the Performance Monitor application from the search results and you are ready to use the tool.


Not only is HWiNFO free, but it also provides the most comprehensive read of any diagnostic tool on this list. It gives you a full read of all the information you might start asking, including your processor temperature and details of all your hardware and processing components.

Simply open the program and request a report. It is that simple.

5. Speccy by CCleaner

Another free diagnostic tool, Speccy by CCleaner, can give you as much information as you need. While it gives you details about your hardware, it can also help you avoid common problems. For example, you can get real-time temperature readings to make sure your computer never overheats.

Although Speccy is free, it offers a premium option with even more features for $ 19.99. The premium version comes with:

  • Advanced PC Information
  • Automatic updates
  • Premium assistance
  • Recommended for home users

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