8 best hardware diagnostic tools for PC [2021 Guide]

Vladimir Popescu
by Vladimir Popescu
Managing Editor
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  • Owning good hardware diagnostic tools for your PC can make a very big difference in this day and age.
  • Keeping on top of your PC's issues is even more important if you're keeping sensitive information stored.
  • Explore our detailed Software Hub for other comprehensive and easy-to-follow guides.
  • Don't hesitate to check out our thorough Debugging & Diagnostics section for more useful information.
best hardware diagnostic tools

Angry IP Scanner


Angry IP Scanner is a fast and reliable network scanner for Windows, Mac, and Linux. It may not help you fix PC problems but it can be used to check if an uninvited guest is mooching off your internet, which might be the cause of slow internet connections.

You can use it to check the number of devices connected to your network as well as which IP addresses and ports are being used by the different devices.

Download Angry IP Scanner

Reliability Monitor


Reliability Monitor is a hidden gem in Windows that Microsoft needs to underscore its importance by shining more light on it. The tool tracks the history of your computer.

Any time your computer hangs, an application crashes, or misbehaves in any way, the scenario is recorded in this tool. It also tracks other events such as when Windows Updates loads a new patch or when new software is installed.

The blue line gives an estimation of how stable your system is over time on a scale of 1-10.

To access it, go to control panel, choose System and Security > security and maintenance > maintenance > view reliability history.

If your system has been crashing a lot, this should be the best place to check as you will be able to check the error and look for the solution.

Windows System Troubleshooter

There is no better place to look for solutions to a product’s problems than in the manufacturer’s site.

Microsoft is aware of the bugs and other problems that plague their operating system, and because of that, the company launched their own troubleshooting tool called Microsoft Fix It Solution Center.

Unfortunately, the tool is not available for Windows 10. However, Windows 10 users are not left without solutions as the Windows System Troubleshooter has the capability to solve most system problems from audio issues to corrupted programs and other hardware issues that affect performance efficiency.

The best part of using a Windows system troubleshooter is that it doesn’t require prior installation of additional software.

To access the Windows System Troubleshooter, simply go to the control panel and under System and Security, select ‘find and fix problems’. This will show you the available options to fix the problem.

The troubleshooter fails to load with an error? Follow this useful guide and fix it in just a couple of simple steps.

There is a good chance that the problem with your computer is a faulty hardware and there is a tool that you can use to fix the issue in the shortest time possible.

Having the knowledge about these diagnostic tools might save you time and the cost of hiring an expert.

There are many diagnostic tools that you can use to fix hardware problems and since we could not cover all of them in one lot, we hope that you will find the above tools useful.

You can bookmark this page as you might need to visit it again if you come across the same problem or a different one in the future.

If you have any other questions or suggestions, feel free to drop them in the comments section below.

FAQ: Learn more about the hardware diagnostic tools for PC

  • What is the best PC diagnostic software?

There are several good PC diagnostic software tools on the market, but to be sure you have the proper one for your needs, check out our best hardware diagnostic tools list.

  • Does Windows 10 have a diagnostic tool?

Windows 10 has a performance monitor tool called System Diagnostic Report. To be sure you solve your PC errors, take a closer look at our best Windows 10 boot repair tools list.

  • What are the two types of diagnostic tools?

There are hardware and software diagnostic tools. For more information, be sure to check out our best Windows 10 troubleshooting tools and software list to solve your PC issue with ease.

Editor's Note: This article was originally published in October 2016 and was revamped and updated in November 2020 for freshness, accuracy, and comprehensiveness.
  • This does not seem to be available on my win10
    “System and Security > security and maintenance > maintenance > view reliability history”

  • i have computer. problem in start to computer on screen diagnostic report processing.
    so please tell me what a problem in my computer.