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Best computer diagnostic software used by technicians

Computer Diagnostic Tools

Computer is an essential thing for Businesses but it is as important to the home users as well. In short, we can say that Computers become the necessity of our daily life, Though smartphones are trying to replace computers, but still computers are equally important. And computer errors and problems are also very common. Troubleshooting or repairing a computer is not always easy task for technicians. To diagnose an issue properly first of all we need to gather the system information. After getting the detailed information we can diagnose any issue in less time. This is very helpful specially in hardware and drivers related issues. These tools are useful for Onsite technicians as well as for Remote computer technicians to gather the system information.

Best technicians tools to diagnose a computer

Below are some tools which technicians use to troubleshoot the windows PC. These tools are useful in diagnosing a PC to find out the exact issue.

1. Process Explorer

Process Explorer is a small utility available for free. It can help to find out the files and directory opened by a program. If you need information that what file or folder is using a process then this tool is very helpful. It is useful to track the DLL version problems or handle leaks.
Download:  ProcessExplorer.zip
How to run: Unzip the ProcessExplorer.zip file and then run procexp.exe file from the extracted folder to start the  ProcessExplorer.

2. Windows Sysinternals Suite




Sysinternals suite is collection of diagnostic and troubleshooting utilities provided by Microsoft for Free. So it includes all the utilities which can help to troubleshoot a PC.  Process explorer and other useful tools like Autoruns, PsTools, desktops etc are bundled with this.
Download:  SysinternalsSuite.zip
How to run: Unzip the SysinternalsSuite.zip file and then run autorun.exe file from the extracted folder to start the  Sysinternals Suite.

3. Reliability Monitor

Windows 10 has an inbuilt tool named as Reliability monitor history. This tool is available since Windows vista but very few people know about this tool. Actually it is a Reliability Monitor History, which show a timeline of history of events and errors occurred in the system. You check for the solution of a error.

To open it either go to Control Panel -> System & Security -> Security & maintenance -> Reliability Monitor.  Or search in the search bar and select the option View Reliability Monitor.

4. System Explorer

It is also a free software tool to get the detailed system information. It is an award-winning software which can explore the internal system and processes running on the computer.

Download:  SystemExplorerSetup.exe

Main Features:

 5. SIW (System Information for Windows)

SIW technician’s version is a portable utility which can be run from USB to analyze and gather all the detailed information of the system. Check out some great features of it. It comes as home edition and technician edition. It is a paid utility. Below are some of its features.

Official Website: SIW official

6. HWiNFO

Popular and award-winning hwinfo is a free software utility for hardware monitoring and reporting with detailed analysis. It can generate reports and log files in XML, CSV and HTML Formats. It alerts about the system health by real-time monitoring. Customized tables and graphs option.

Download: HWinfo.exe

7. Speccy

Speccy is a hardware information tool by Piriform. It gives detailed information about motherboard, graphics card, CPU, RAM etc. It is a free utility. There are some more advanced features are available in its Pro version.

Download: Speccy.exe

8. hddscan

It is a disk drive diagnostic tool. HDDScan is available free to download. It can check storage devices including USB drives for bad sectors. You can change Some HDD parameters like AAM and APM. It shows the SMART information in detail. Temperature of the disk is also monitored by this utility. It is very helpful to get alert before your disk drive get damaged.
Download: HDDScan

9. CPU-Z

It is a useful small utility which gather the system information like processor name, processor number, memory type and size, memory frequency, processor core frequency, motherboard, chipset, graphics card information, Cache size etc.

Download : CPU-Z

If there is nothing to find it may a virus or malware to scan the system use best these best malware removal tools


After diagnosing the technical issue on the computer software, technicians used the tools repair the PC. Check out Best tools with technician license to Fix and Repair PC.

Please let us know if you have any other software tool in your mind which can be useful to diagnose the computer. Share your experience in the comment section.

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