[SOLVED] Motherboard Compatibility

May 24, 2020
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My friend bought a PC that was custom built from a guy on the Facebook Marketplace. Everything ran fine for a while, but now we suspect that the motherboard is in need of replacing. His PC would turn on for a split second and then turn back off. The only time that the PC would remain on is if we unplugged the CPU power connector. We tested this with multiple processors and none of them worked (even the 9700k from my PC that I am typing this on). We diagnosed it to be a short somewhere in the motherboard (we checked for broken pins, and there were none). Unless I am missing something, I think it is time for a new motherboard. However, my friend has been running on an "MSI B360i Pro Gaming ac" motherboard with an i7-7700k. When I look this up, every site says that a combination of a 300 series motherboard with a 7th generation CPU will not work... but it did work for all this time. We also tested his CPU (the i7 7700k) on my MSI z370 motherboard and it posted as well. So my main question is, how could his 7th gen CPU work on both of these forbidden motherboards? We are in the market to buy a new motherboard and would like to know whether he can futureproof his build and get a z370/z390 or does he have to get an older chipset, even though he has been running on a newer one before. Thanks!
 

RealBeast

Titan
Moderator
My friend bought a PC that was custom built from a guy on the Facebook Marketplace. Everything ran fine for a while, but now we suspect that the motherboard is in need of replacing. His PC would turn on for a split second and then turn back off. The only time that the PC would remain on is if we unplugged the CPU power connector. We tested this with multiple processors and none of them worked (even the 9700k from my PC that I am typing this on). We diagnosed it to be a short somewhere in the motherboard (we checked for broken pins, and there were none). Unless I am missing something, I think it is time for a new motherboard. However, my friend has been running on an "MSI B360i Pro Gaming ac" motherboard with an i7-7700k. When I look this up, every site says that a combination of a 300 series motherboard with a 7th generation CPU will not work... but it did work for all this time. We also tested his CPU (the i7 7700k) on my MSI z370 motherboard and it posted as well. So my main question is, how could his 7th gen CPU work on both of these forbidden motherboards? We are in the market to buy a new motherboard and would like to know whether he can futureproof his build and get a z370/z390 or does he have to get an older chipset, even though he has been running on a newer one before. Thanks!
Somehow, it ran on random luck for a while as it is NOT a supported CPU on that board. HERE is the MSI CPU support list for the board and it requires and i7-8XXX or 9XXX for the i7 CPUs.

He cannot really futureproof, as the next generation require LGA1200 (Z490 with different number of pins). So he should either get one step up in motherboard or one step up in CPU unless he wants to wait for Z490/i7-10XXX.

And write a bad review for that idiot on FB Marketplace that has no idea what he's doing.
 
Reactions: Caleb_Burton

RealBeast

Titan
Moderator
My friend bought a PC that was custom built from a guy on the Facebook Marketplace. Everything ran fine for a while, but now we suspect that the motherboard is in need of replacing. His PC would turn on for a split second and then turn back off. The only time that the PC would remain on is if we unplugged the CPU power connector. We tested this with multiple processors and none of them worked (even the 9700k from my PC that I am typing this on). We diagnosed it to be a short somewhere in the motherboard (we checked for broken pins, and there were none). Unless I am missing something, I think it is time for a new motherboard. However, my friend has been running on an "MSI B360i Pro Gaming ac" motherboard with an i7-7700k. When I look this up, every site says that a combination of a 300 series motherboard with a 7th generation CPU will not work... but it did work for all this time. We also tested his CPU (the i7 7700k) on my MSI z370 motherboard and it posted as well. So my main question is, how could his 7th gen CPU work on both of these forbidden motherboards? We are in the market to buy a new motherboard and would like to know whether he can futureproof his build and get a z370/z390 or does he have to get an older chipset, even though he has been running on a newer one before. Thanks!
Somehow, it ran on random luck for a while as it is NOT a supported CPU on that board. HERE is the MSI CPU support list for the board and it requires and i7-8XXX or 9XXX for the i7 CPUs.

He cannot really futureproof, as the next generation require LGA1200 (Z490 with different number of pins). So he should either get one step up in motherboard or one step up in CPU unless he wants to wait for Z490/i7-10XXX.

And write a bad review for that idiot on FB Marketplace that has no idea what he's doing.
 
Reactions: Caleb_Burton
May 24, 2020
2
0
10
0
Somehow, it ran on random luck for a while as it is NOT a supported CPU on that board. HERE is the MSI CPU support list for the board and it requires and i7-8XXX or 9XXX for the i7 CPUs.

He cannot really futureproof, as the next generation require LGA1200 (Z490 with different number of pins). So he should either get one step up in motherboard or one step up in CPU unless he wants to wait for Z490/i7-10XXX.

And write a bad review for that idiot on FB Marketplace that has no idea what he's doing.
Sweet, thanks. So unless he wants to buy a new CPU, we'll get like a z270 or something. I just got confused that it worked for a certain period of time. And yeah that marketplace guy was fishy in the first place, but thanks again
 

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