How To Test Motherboard? Step By Step Guide

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This will be the subject of our discussion. Now, let’s look at some related material in the sections that follow How To Test Motherboard? The motherboard is among the most important parts of a system since it connects numerous important components such as the Processor (central processing unit), memory, and output and input device connectors. It’s about the same size as a human brain.

Your computer will become worthless if it becomes infected. When utilizing a computer, however, you may well not Notice The Motherboard’s Performance. Because an unreliable motherboard can affect the CPU, GPU, USB ports, and other components of the computer, you can surely blame it on something else.

How To Test Motherboard?

Checking the motherboard visually should be done first. Bulged or blown capacitors are a frequent cause of motherboard problems or failure. Look for any bulging or leaks on the top of each capacitor since these are signs that the capacitor has blown.

Test Motherboard

Symptoms Of Motherboard Failure

Parts That Have Been Physically Damaged

When the PC is turned off, you can Examine The Motherboard physically. Leaking and swelling capacitors are most often caused by overheating, faults in the materials, and premature aging. If you notice a capacitor about to blow, something may be wrong with the motherboard.

Burning Odor That Isn’t Quite Right

The burning smell is one of the most evident motherboard failure indicators. A strong burning odor usually indicates that a component has become overheated. An incompatible component can sometimes cause overheating or failure. A mismatched graphics card or RAM, for example, can damage the motherboard.

At Startup, The BIOS Menu Appears

In most cases, you’ll have to manually configure the BIOS menu. If it shows on its own during the start-up process, it means there are several software or hardware faults, such as a motherboard issue.

The BIOS menu shows at startup because it controls your PC’s hardware agreements and it’s tough for the motherboard to interact with recently installed parts like a video card. Furthermore, the display of BIOS indicates that a part on the motherboard has failed or is malfunctioning.

Applications Aren’t Working Properly

If your motherboard fails, it will be unable to control all of your computer’s hardware components. More shutdowns & application slowdown periods may result as a result of this.

Freezing Problems Or Random Locks

Another sign of a damaged motherboard is if your computer randomly freezes or locks up. Whether your computer freezes, try troubleshooting to check if it’s a software issue. If you’ve ruled out the chance of a software problem, consider alternative hardware components, such as a faulty motherboard.

Blue Screen Of Death

The breakdown of your system is often known as BSOD (Blue Screen of Death). This is a Windows stop issue that prevents the window from functioning normally. However, this does not always imply that the Motherboard is the source of the issue.

When this problem occurs, though, an error code will appear on the screen. So you may look it up on the internet to see if it’s a motherboard problem.

Other Signs Of A Motherboard Failure Include

The PC is taking an excessive amount of time to boot up. It’s difficult to keep track of peripherals because they either don’t show up or quit operating. Strange lines may appear, or your PC may fail to display the flash drivers.

The Motherboard isn’t officially functional; thus, it can’t distribute power during the Self-Test (POST). So, if you notice any of these issues with your laptop or PC, don’t hesitate to contact us. In some circumstances, your Motherboard is necessary to troubleshoot. It needs to be replaced.

When It Comes To Testing A Motherboard, What Is The Most Effective Method?

Step 1

Ensure that the 20-pin ATX connection is plugged in and that the computer is powered up. Set the voltmeter to 20 volts direct current. Probe the underside of the connector with the black millimeter probing, making contact with pins 15, 16, or 17 using the black probe (GND pins).

Step 2

Probe the relevant pins with the red probe (searching for the readings given in parentheses): Pin 9 (purple, VSB) should be at 5 volts (anything less indicates a PSU fault), and Pin 14 (green, PS On) ought to be at 3 and 5 volts. When you turn off the computer, the PS On number should drop to 0. Other readings point to a broken switch.

Step 3

Check Pin 8 (grey, Power OK) with the red probe; it should be above 2.5 V; this indicates that the computer can start. When you press reset, the Power OK reading should decrease to 0 and then start climbing.

Short/Open Circuit Testing Of The Power Supply And Motherboard

Step 1

Unplug the pc from the wall outlet and wait a few minutes for any remaining charge to drain. Set the multimeter to the weakest Ohm setting (about 200) and zero the meter by touching the probes’ leads together. The zero measurements should be the same when you touch the two leads to the bare metal of the laptop’s chassis.

Step 2

Remove the ATX connection from the motherboard with care. Put the black probe on the steel of the chassis and check the A/C ground pin on the PSU and the black wiring pins on the D/C connector with the red lead; they should all read zero.

Step 3

Use the red needle to check the values of the colored wire pins on the D/C connection while keeping the black lead on the chassis. A reading of 50 or above is required for all colored wires.

Step 4

Unplug the CPU from the socket on the motherboard. To refer to pin values on the board’s connector, use the ATX 20-pin chart. Maintain the black lead on the chassis while testing the GND pins on the motherboard connector with the red lead: Pins 3, 5, 7, 13, 15, 16, and 17 should all have a zero reading. Any other result could suggest a damaged connector.

How Can I Test To See If My Motherboard Is Bad?

  • Disconnect everything but the power supply unit.
  • Examine the CMOS battery.
  • Examine the motherboard to see whether the screen displays POST.
  • Check the Beep Code Speaker and POST LED.
  • Examine Your Motherboard Using a Different Set of Parts.
  • Verify for Damage Physical Signs.

How Can I Test If My Motherboard Is Working?

  • Check the hardware visually.
  • Check the Power Supply Unit (PSU) to see if any beep codes are present.

Run two short tests on the motherboard.


Here we conclude all about How To Test Motherboard? Or How Do I Manually Test My Motherboard? When it comes to computer hardware problems, motherboard malfunctions are one of the most feared. Because the motherboard is among the most expensive parts of a computer, having a dead motherboard would essentially mean burning a hole in your pocket.

Without running complete Diagnostic Testing Of Motherboard, some computer users and even experts prematurely proclaim some motherboards dead in the water or dead on the spot.

Frequently Asked Questions

How can I determine the condition of my circuit board?

The first step is to inspect the motherboard visually. Bulged or blown capacitance is a typical cause of motherboard problems or failure. Examine the top of each capacitor for bulging or leakage, which indicates the capacitor has blown.

What is the best way to check the health of my CPU?

The Intel® Processor Troubleshooting Tool is available for download. Make sure you obtain the EXE for your system architecture, which is 32-bit for 32-bit Windows and 64-bit for 64-bit Windows. When you launch the program, it will begin running a series of tests to determine the condition of your CPU.

Is it possible to test a board without a CPU?

There’s nothing wrong with checking your motherboards without the CPU; the only caveat is that your computer will not pass the POST test (Power-On-Self-Test). Because the motherboard lacks an inbuilt graphics processing unit, you will see nothing on your screen as well.

How can I tell if my CPU is malfunctioning?

When you turn on a computer with a faulty CPU, it will not go through the normal boot-up process. The fans and disc drive may be spinning, but the screen may be completely blank. The computer will not respond to any key presses or mouse clicks.

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