MSI B450I Gaming Plus AC

how to test motherboard outside of case?

The utmost important query that users often come across regarding how to test motherboard outside of case! You can grab correct and authentic details from here. Before installing a motherboard inside your PC, you need to verify and inspect whether it is working fine or not.

In this concern, you can carry out a quick inspection and know whether your motherboard falls in the faulty or working component category. Furthermore, testing your motherboard outside the case makes your tasks of troubleshooting quick and straightforward.

Inspecting your motherboard before embedding it in your PC helps you identify a possible number of potential issues and correcting them right there at that moment. So, make certain that you do this external test.

MSI B450I Gaming Plus AC

How to test motherboard outside of case- Complete Guide

This has always been a good practice if you test and inspect your motherboard quality before building a new PC. The necessary tools that you need to perform this inspection include a screwdriver, multimeter for checking the voltage, working power supply unit, CMOS battery, and CPU thermal paste:

  1. The first step is to set up your motherboard on some flat and non-conductive surfaces. Like, you can lay down your motherboard on a wooden table.
  2. Now, the next step is to install the processor and carry out the application of thermal paste.
  3. Thirdly, attach your CPU cooler to the motherboard. Place one RAM module in the specific labeled slot.
  4. Now, connect the GPU to the motherboard. After that, you have to attach the necessary power connector if there is a need!
  5. Connect the ATX 24-pin connector from the Power Supply and attach it to your motherboard. Now, you can connect your monitor ultimately to the HDMI connection.
  6. Link the PSU power cable into a wall outlet. The last step is to turn on the computer with the help of a power switch jumper.
  7. If you see that your PC manages to boot to the BIOS, it means your motherboard will work fine, and it has not arrived in a faulty condition. Thus, this is how to test a new motherboard.

Software programs for testing motherboards

  • Intel processor diagnostic software tool: It comes in the form of free utility tool for inspecting and testing an assortment of Intel processors.
  • PC-doctor:  This one is another cheap solution for diagnosing motherboard issues and other kinds of hardware issues.
  • Ultra-X: This respective tool test and inspect your computer hardware issues including the motherboard.

Visual hardware inspection

You can conduct a visual check of your motherboard! One of the common issues faced by motherboards is that they get blown and bulged capacitors. You should check the condition of the capacitors. If they appear to look bulging or leaking, it means your motherboard will encounter problems.

More tips on testing a new motherboard

Core parts of your motherboard have to be properly installed

Most importantly, it would be best if you double-check whether all core parts are installed on your motherboard before infusing them into your computer. Please take out the motherboard from the package, place it on the non-conductive surface and see the components keenly.

In this concern, you can inspect parts like CPU cooler, CPU, RAM, and graphics card. You need to make sure that the CPU cooler surrounds itself with a thermal paste. If there is no thermal paste and you run the PC, it will get damaged or catch fire.

Temporarily Connecting Power Supply to your GPU and Motherboard

When it comes to checking the motherboard, connect the power supply unit to your motherboard and GPU and see whether it gets turn on or not! On the other hand, if you want to test your GPU (graphics card), you have to plug and connect the PSU directly into that card.

Connecting monitor to see the BIOS is working fine or not

Moving to more details on how to test motherboard outside of case, you can further see and check out from here. While doing this external testing and inspection, you need to check whether BIOS is working fine or not.

So, connect the monitor with your motherboard and see some data comes on the screen. If the monitor screen displays BIOS update, it means your motherboard is defective–free.

Pressing Motherboard power buttons to verify their working condition

A few of the modern motherboards come with a power button. Upon pressing this power button, you will get the assurance of whether your motherboard is in working condition or not. Go ahead and press the power button; this is all!

If your motherboard does not have a power button, do not worry, you can use a screwdriver or any other kind of metal object. In addition, if you are looking for a guide on how to test laptop motherboards outside of case, you can follow this detailed guide.

Hints that your motherboard is not working fine

  • Your computer will not boot, and you eventually get a beep code from it.
  • In addition, you will start getting random computer crashes and protection fault error messages. Your PC will begin to experience illegal operations.
  • Your computer will randomly reboot.


Now you know how to test the motherboard outside of case! You can let us know how you inspect the working condition of your motherboard. Beginners usually seek help from technicians in this regard, and experts perform this testing job independently. Thus, before assembling and connecting all the PC components, you should test your motherboard when building a PC.