Q&A from the article:

Determine if Your Motherboard Is Dead

Edited by terica, Anonymous, Eng, clove and 10 others

Questions and Answers

Is my motherboard dead? Do you have any Ideas as to what it could be and how to test it?

I have an X51 Alienware computer that isn't working. When I plug in the power supply it turns on automatically and does not display anything, and no beeps. On occasion when I first plug it in it will turn on and then quickly turn back off, just to turn back on again and stay on. The only time I have heard the computer beep is when I had the RAM sticks out of the computer. Other than that I can see and hear all the fans running and the HD running. I can't figure this out! I'm guessing its a bad motherboard but I am afraid that it could be even more than that. Unfortunately I don't have other components I can test it with. Do you have any Ideas as to what it could be and how to test it?

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If you have no spare parts available to test your computer in this situation, you will need to:

  • accurately remove the 4-pin CPU connector from the motherboard, the 6-pin video card power connectors (if any), and the 20-24-pin motherboard power connector;
  • plug the CPU power connector back in and carefully match the pins. It may go at different angles if you force it, but you have to position it correctly;
  • plug the 20-24-pin motherboard connector. Make sure the number of pins is correct and attach or remove the add-on 4 pins if necessary;
  • reconnect power to the video card (if any) by inserting the required number of 6-pin power connectors to it.
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Boot up your computer. If it is not working, do the following:

  • remove all of the RAM sticks and insert them one by one in Slot 1. Check if the motherboard manual for possible RAM configurations and see if it supports your RAM.

Boot the computer again. If it still fails to load, then proceed further at your own risk. You will need steady hands for that.

  • disconnect everything from your motherboard and take it out.
  • remove the CPU cooler by writing down all of the steps you make to reassemble it;
  • remove the CPU from the socket very carefully by lifting it upwards;
  • use a bright light on the socket and see if there are any irregularities. If there are, you will need to straighten the pins or exchange the motherboard;
  • if everything is fine, then put the CPU back and spread thermal paste (you will need to get it) evenly over its surface. Put the cooler back onto the CPU and reassemble your computer.

See more questions like this: How to fix phone motherboard if it is dead

Is my motherboard dead or is my PSU faulty?

I have purchased a ASRock H97M pro 4 motherboard. After installing the necessary parts, I have powered it on and it powers itself off and then power on again. At this point I am bread boarding and only have the CPU and heat sink connected and this problem continues. This particular motherboard does not have speaker so I have POST beeps to diagnose, there are no lights on board either. Personally I think the PSU, I had was not supplying enough power so I've replaced it with a higher wattage model. When I do power on the PC the heat sink fans spin really strong for about 2 seconds only to slow down and power off and continue this whole process again. Can you help and or diagnose. I have tried: Bread boarding. I think it was caused by: Unsure

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  1. 1
    You have to remove all of the devices that have been plugged in, such as PCIe cards, card readers, or SDDs.
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  2. 2
    Experiment with different RAM sticks.
    Check the up-to-date manual for the supported RAM list.
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  3. 3
    Then, examine if you have the CPU power socket (4-pin) in the correct position, as it is possible to push it in by force in the wrong direction.
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  4. 4
    Ask someone to borrow a working PSU (600W and higher), and run the power into the motherboard.
    Be sure to plug all of the wires correctly.
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  5. 5
    You can buy a speaker and connect it to the speaker pins on the motherboard.
    Check the beep codes in the manual.
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  6. 6
    If it still shows the same symptoms, remove the CPU cooler and the CPU.
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  7. 7
    Look at the socket closely under bright light and different angles.
    The pins should be even. If they are not, you will have to straighten them or bring the motherboard to a service center.
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  8. 8
    If none of the solutions work, it might be a dead chip or connection on the motherboard.
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What tests can I run to ascertain if my motherboard is dead?

I have a ACER c710-2856. My power adapter was going in and out meaning sometimes it would charge the laptop, sometimes not. Before it finally went out the charger was plugged in computer on and as I went to pick it up there was a spark then the laptop shutdown. I've since then replaced the charger and still nothing then I thought (hoped) it might be the power jack. Before I go and spend more money on replacement parts, I wanted to know what steps or tests I can perform to answer my question.

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The spark was either static electricity, broken adapter, or a current jump in your power network.

To avoid the static electricity, always ground everything you plug in by using special plugs that have extra connectors. Always ground yourself before using the computer (touch any metal part on the case of the computer, for example) or keep room humidity higher if you have linoleum in your house that accumulates static electricity.

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By your description, your charger has been dying, which caused a high current jump in the computer. However, there is still a possibility of a current jump in your power network. To get rid of current jumps, use surge protectors or UPS units.

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Such dangerous current jumps damage the transformer in the AC adapter first. Then, the current goes further and damages essential components in your system, which may include the motherboard. Unfortunately, as you have tried replacing the charger, something else has been damaged inside the computer. You will have to contact your nearest service center for further information.

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Is my I-Mac G4 motherboard dead?

I recently asked someone to replace my capacitors in my I-mac G4 because it would go on and off all the time and I suspected that it was the capacitors but after they were replaced it started hanging on the apple logo and has since not been able to power on again. I was told it is a display problem and not something that was caused by changing the capacitors but I am not sure whether the capacitors could have been the wrong specifications and caused the hanging. I have tried: I have tried to

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The above questions are from the following wiki...
Determine if Your Motherboard Is Dead

More questions and answers

How to detect dead motherboard?

How to detect a dead motherboard and how to correct it...

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Checking motherboard is dead or not?

My Lenovo T61P rebooted after installing some Win10 updates and now will not start, not a beep, nothing on screen. Will use your steps to determine if the motherboard is dead, or maybe it is RAM (which was recently changed). Thanks

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XPS 8700 dead motherboard, need help?

I have a 2 year old Dell. Looks like from your post that the motherboard is dead. Of course I am no longer covered under warranty. I get no beeps at all, the power button doesn't light up, I only get the solid amber light on the motherboard. I was hoping the solid amber light means the motherboard was working, apparently not. Now I guess I try to figure out how to repair or replace it.

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Is my motherboard dead? I have no display signal?

No display or post beeps. tried removing RAM and cmos battry. I have tried: Removing and placing RAM in different slot, removing cmos battry. I think it was caused by: No idea

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Is my phone's LCD dead or the motherboard?

Hi, I use Samsung Note5. Few days back I accidentally dropped my phone and now my phone's display is fully black, but if I plug it in with the charger then the red indicator which shows mobile is charging turns on. Still display is off. So is my phone's motherboard dead or the display? The phone's physical condition is unbroken by the way. There is not a single scratch.

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Made a new PC, won't startup so I was wondering if the motherboard is dead?

I bought all the computer parts and put it together, but when I started it the CPU fan turned on for 5secs and then the PC turned off and won't turn ever again now

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How do I troubleshoot a faulty heat sink?

I have a printer main board with me, I suspect the heat sink drivers are faulty because when I switch on the supply there emanates a burning smell from 2 of them. I tested the supply board, everything is OK, components and all. it (the main board) does not drive all the peripherals connected to it, even the LCD display.. . can I test the sink driver ic with my dmm? how?. and what causes this fault?. I have tried: Tested power supply, OK.

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blew out solder joints of the drivers, still faulty.. I think it was caused by: No clue

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Is my motherboard dead because it is making the continuos sound like it is trying to restart itself?

When I plug in my power supply I can see my led light in the power button glow and fans start working but after sometime the led light go off and system start making sounds like it is trying to restart like beep after 1 seconds it again makes beep sound and this goes on continuously. I have tried: I have changed the power supply but still I m facing same problem

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Is my motherboard fried/dead after switching power supply watts?

Bought a new power supply for my PC. Was fooling around with the power supply and new graphics card. I switched the watts of the back of supply from 115 to 230 (not sure why), but now my computer doesn't seem to read my mouse/keyboard/monitor. The computer turns on, and makes a beep, the fans are running, but, no activity. Let me know please if this sounds like a motherboard problem or maybe something else. Thank you!

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