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Cygenta

PLEASE HELP. Mobo led is green but wont turn on

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Posted · Original PosterOP

PLEASE HELP. I have an x79 motherboard with an i7 3930k. It has 4 sticks 4gb each at 1333 mhz. I know the mem works. When I plug it into power, the green. Led lights up. It hasn't been used in a while so I used the bios flashback feature, and it worked correctly to flash the latest bios. The cooler works. I tried to turn  it on, and it didnt do anything. No fan spin or any sign of activity other than the led. I also tried bridging the per and ground pin on the mobo to turn it on, no luck. I thought my problem was the bios, but it went ok, but the pc still wont turn on. ANY HELP WOULD BE IMMENSLY APPRECIATED

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Did you try with less ram?


I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

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Draws 400 watts under max load, for reference.

 

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How many watts do I need? Seasonic Focus threadUserbenchmark (Et al.) is trash explained, PSU misconceptions, protections explainedgroup reg is bad

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You tried the various parts in a different machine then?


Life is like a bowl of chocolates: there are all these little crinkly paper cups everywhere.

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How are you certain that the BIOS update went ok, if you can't turn the PC on?

Have you checked with a manual for that board that you are actually bridging the correct pins?

You could also try a different PSU if you have one available.

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Posted · Original PosterOP
21 minutes ago, Fasauceome said:

Did you try with less ram?

Yes I've tried with only one ram stick. I know for sure the ram works.

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Posted · Original PosterOP
16 minutes ago, Bombastinator said:

You tried the various parts in a different machine then?

Only ram.

 

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Posted · Original PosterOP
10 minutes ago, Arttu89 said:

How are you certain that the BIOS update went ok, if you can't turn the PC on?

Have you checked with a manual for that board that you are actually bridging the correct pins?

You could also try a different PSU if you have one available.

I dont have another psu. I dont know for sure, but the bios button light flashed for about the correct time and in the correct pattern

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39 minutes ago, Cygenta said:

Only ram.

 

? But you’re claiming other parts of the machine are functional.  I’m confused.


Life is like a bowl of chocolates: there are all these little crinkly paper cups everywhere.

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Posted · Original PosterOP
18 minutes ago, Bombastinator said:

? But you’re claiming other parts of the machine are functional.  I’m confused.

I only claimed cooler and ram work as intended. The mobo green led lights up and bios update went ok as agar as I can tell.

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3 hours ago, Cygenta said:

I only claimed cooler and ram work as intended. The mobo green led lights up and bios update went ok as agar as I can tell.

the 3930k is an antique industrial intel 6/12.  It doesn’t have an iGPU I think.  Would be handy if it did.  Could use the iGPU to test if there is a gpu issue.  Can’t test the PSU, can’t test the gpu.  The ram tests OK, the motherboard is apparently claiming to be OK.  Barring a 3930k specific oddness (it’s old and weird) without being able to do any testing there’s not much that can be tried.  Just about any gpu no matter how old would be a usable test.


Life is like a bowl of chocolates: there are all these little crinkly paper cups everywhere.

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Posted · Original PosterOP

I have another very old gpu with an hdmi port. I know my gpu works btw. The other old gpu draws very little power and doesnt even have a gpu power connector. Even so, the pc doesnt turn on with the other gpu.

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3 hours ago, Cygenta said:

I have another very old gpu with an hdmi port. I know my gpu works btw. The other old gpu draws very little power and doesnt even have a gpu power connector. Even so, the pc doesnt turn on with the other gpu.

So gpu tested then


Life is like a bowl of chocolates: there are all these little crinkly paper cups everywhere.

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Posted · Original PosterOP

Sorry I wasn't clear. Yes gpu was tested but I said the pc wouldn't respond at all to turning it on, let alone from a video output

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