Custom PC turns on for a second and turns back off.

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GapplesPvP

Commendable
Oct 5, 2016
2
0
1,510
I just built my computer and after trying to turn it on it just turns back off within a split second. The lights on the graphics, the motherboard lights and the fan spin for a second and then just stop.

Here is my part list:

GPU: MSI GTX 1060
CPU: i5-6500
Motherboard: MSI bazooka B110m
PSU: Coolermaster B500w
CPU Cooler: Hyper 412s

I have tried replugging everything, the 24 pin connector, cpu connector, yes it's plugged into the wall and yes it's turned on at the back.

The stand off pins are also in the right place.
 
Solution
photonboy
My best guess would also be the power supply at this point. If nothing else pans out you also have to start SWAPPING PARTS and it's also the easiest to do.

If you remove the graphics card etc to make troubleshooting easier, you also require very minimal PSU power to boot a basic i5-6500 setup. Even a working 100W is sufficient.
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George Mulligan

George Mulligan

Reputable
Sep 20, 2014
922
0
5,360
I don't believe that motherboard has an error code LED on it, so you're left to go through the typical issues. The most common problem is incorrectly seated CPU or RAM. Secondarily, it could be a bad peripheral device. Try re-seating RAM first, then try removing all peripherals (to see if you get to POST). Lastly, carefully remove and re-seat CPU.
 
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G

GapplesPvP

Commendable
Oct 5, 2016
2
0
1,510


The motherboard has an LED error code on it, and it lights up as CPU for that split second. But I tried reseating the CPU and it doesn't help, same thing happens,
 
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S

Stewie_1

Commendable
Oct 5, 2016
4
0
1,510
I am going to assume that you meant the MSi B150M Bazooka:

Unseed your 1060. Plug in your monitor to you motherboard's I/O, make sure that the input type matches the output from your mobo's I/O and turn on the system. Look for a POST. If the computer does not POST, check one of a few things:

-The sum of TDP of all components (exluding your GPU) is lower than the rated output of your PSU,
-RAM frequency matcheds recommended values for your CPU,
-The seeding of your CPU into the housing is correct,
-The Hyper 412S header is plugged into the the first or recommended CPU FAN port on your motherboard,

If your GPU-less configuration POSTs and the computer boots, you know that all of the other components work correctly. This means one of a few things:

-Your GPU adds too much TDP to the mix, pushing the total over the rated value from your PSU (which is pretty low @<500W)
-The PCIe slot that originally housed your GPU is not the intended slot: check your mobo manual for which slot is preferred.
-Your GPU is faulty, drawing more power than is recommended or shorting a component on your mobo, which will shut the attempted POST down.

It is most likely the case that your PSU does not provide enough power for all of your components. Be sure to include the TDP of your case and all auxiliary drives (HDD, SDD, CD-R, DVD, etc.).
 
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photonboy

photonboy

Titan
Jun 20, 2006
21,567
13
85,015
REMOVE everything not needed such as:
1) graphics card
2) HDD and SSD's
3) front-panel pins (just make sure the POWER ON is properly connected)

I'm looking into that CPU error, but other issues include:

a) bad power supply
b) bad motherboard
c) other

Other:
POWER amount is NOT your problem.
 
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photonboy

photonboy

Titan
Jun 20, 2006
21,567
13
85,015
My best guess would also be the power supply at this point. If nothing else pans out you also have to start SWAPPING PARTS and it's also the easiest to do.

If you remove the graphics card etc to make troubleshooting easier, you also require very minimal PSU power to boot a basic i5-6500 setup. Even a working 100W is sufficient.
 
Upvote 0 Downvote
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