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4 best diagnostic tools for your PC

4 best diagnostic tools for your PC

Anticipating problems and keeping your PC in good condition so that it delivers the same performance as in the early days is not necessarily a matter for specialists. Some people will recommend you various esoteric manipulations while the use of a few downloadable tools can already do your PC a lot of good. A good, simple and quick diagnosis of your PC will save you from certain disasters.

We therefore offer you a small software “toolbox”, which is almost indispensable and already covers a wide spectrum of basic diagnostics on your PC.


Malwarebytes is a software created to detect and remove malware. Even its “free” version is impressive in its ability to detect malware. They are often, at the very least, responsible for slowing down your PC. In fact, you download a 14-day free trial of the Premium version . The installation is ultra fast. There are no unnecessary files, no unavoidable offers and no ads. Once the 14-day trial is over, all you have left is the threat analysis, a very valuable indicator of the state of your system, but it simply does not protect you.


-> Malwarebytes download


If our modern PCs are now almost all using SSDs, they provide speed but also have the unfortunate tendency to die without warning. To avoid this fatal incident but also to perform a complete analysis of the status of your data drives, including USB drives, SSDs and hard drives, CrystalDiskInfo is a “must have”. If you want to go further, there is CrystalDiskMark that you can use to evaluate how fast your storage units can read and write.

Diagnostic PC

-Download CrystalDiskInfo


Simple, effective even if the purists will say that it is not perfect, it allows you to quickly identify if a random crash is caused by your memory. Integrated in your Windows, it would be stupid not to use it. Moreover, it is easy to use:

Step 1: Press Win + R to open the Run dialog box.

Step 2: Type mdsched.exe and press Enter to run it.

Step 3: Choose to restart the computer and check for problems or check for problems the next time the computer is restarted.

The tool will run tests on your machine and inform you of any faults in the memory that could lead to a system failure.


Occt is not a benchmark, but it can be described as a torturer of your PC, and more specifically of the CPU / Ventirad pair (even if its scope is wider). OCCT allows you to perform stress tests and thus to push your PC in extreme conditions in order to check its stability. It often allows to highlight a failing overclocking for the most skilled but it also has the virtue to identify if a cooling system is insufficient, failing, dirty… For the record, this is the main reason for the loss of performance of your PC.

OCCT Diagnostic PC

-> Download OCCT


HWiNFO is by far the most complete synthesis tool regarding your system information. Some may say that it is only a monitoring tool and not a diagnostic tool, but without checking the coherence of the elements of your system, you won’t get very far. It displays all the information about your computer, from processor temperatures to fan speeds to the voltages on certain components. It allows you to keep an eye on the health of your PC through real-time monitoring that is both light and discreet.

Hwinfo Diagnostic PC

-> Download HWinfo

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Edited by Calliers

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