Question PC won't POST, new mobo, CPU & PSU ?

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elltree

elltree

Mar 26, 2022
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Sooo few days ago i bought some parts. First launch fried both of my Ram stick's, but im quite stubborn and bought another one to check one more time and it lived. So i got static RED LED CPU, fans spinning but wont POST. Checked PSU it works in my old pc. CPU and MOBO dont have any signs of mechanical failure, pins seems okey.

Cpu: Intel i5-12400f
Mobo: gigabyte b660m ds3h ddr4
PSU:SilentiumPC Supremo M2 550W 80 Plus Gold
Ram:Kingston Fury 16Gb (1X16Gb) 3200Mhz Cl16

Tried today updating bios, and i think it worked as intended but still no result. New ram is working aswell. Tried as old PSU and no result. CPU fan is plugged, tried my own and basic intel one. I'm going to buy Speaker thing tommorow and try it, Soo can someone give me some advices for what should i be looking for? If it beeps MOBO is fine etc.?
 
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elltree said:
Sooo few days ago i bought some parts. First launch fried both of my Ram stick's, but im quite stubborn and bought another one to check one more time and it lived. So i got static RED LED CPU, fans spinning but wont POST. Checked PSU it works in my old pc. CPU and MOBO dont have any signs of mechanical failure, pins seems okey.

Cpu: Intel i5-12400f
Mobo: gigabyte b660m ds3h ddr4
PSU:SilentiumPC Supremo M2 550W 80 Plus Gold
Ram:Kingston Fury 16Gb (1X16Gb) 3200Mhz Cl16
Tried today upgrading bios, and i think it worked as intened but still no result. New ram is working aswell. Tried as old PSU and no result. CPU fan is plugged tried my own and basic intel one. I'm going to buy Speaker thing tommorow and try it, Soo can someone give me some advices for what should i be looking for? If it beeps MOBO is fine etc.?
Click to expand...
Move the mobo out of the case and onto a piece of cardboard.
See if it will power up and display.
 
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Sadly there still is CPU LED red up, tried every ram slot with no effects. Speaker doesnt seems to work its silent all the time and still no display
 
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And also just noticed when i was puting back old PC, that it wouldnt start, i you could hear something "switching" around PSU. 2cd PC got 4pin CPU slot and one of them i think its broken. Could i somehow make sure?

And last question would PC start, Fans/GPU/CPU if just 4pins worked? In new mobo i got 8pin CPU slot and maybe that is blocking POST
 
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elltree said:
And also just noticed when i was puting back old PC, that it wouldnt start, i you could hear something "switching" around PSU. 2cd PC got 4pin CPU slot and one of them i think its broken. Could i somehow make sure?

And last question would PC start, Fans/GPU/CPU if just 4pins worked? In new mobo i got 8pin CPU slot and maybe that is blocking POST
Click to expand...
How many pc's are we talking about here?
You start out with getting new parts and now there seems to be a second machine in the mix.
 
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Yeaa got the old pc that work's, but one of the PSU plugs isnt working in this one. After few seconds u can hear some "switch" sound and no power, but other plugs are fine
 
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Oh my god, finnaly some breakthrough, there are 1-2 pins on motherboard that are definitely damaged, and i was checking it for 2 days and even on pictures it look's fine.

Thanks alot for all the advices but need to make refund.
 
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Did reset and didnt help, the pins on the board and little bend and i couldnt spot it until now. i rather pass screwing with them so im gonna refund it
 
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