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Help Needed on a PC Build

Posted on 7/16/20 at 6:52 pm
Posted by Chief Hinge
There and Here
Member since Sep 2018
3133 posts
Posted on 7/16/20 at 6:52 pm
Good evening.

My 16 year old son and I are working together to build a PC for him. He has a 4.3 gpa, holds down a job at a local eatery, and is an all around good person. He’s been wanting this for awhile and finally earned enough money to make it happen.

We did the build yesterday, after the final part arrived. The problem we are having is, it won’t power on. There are lights inside the case that light up when the power toggle is turned to the on position. So we’re getting power, but when the power button on top of the case is pressed, nothing happens. We have tried several troubleshooting steps we found online, but none fixed the issue.

Here are the components of the build he chose:

AMD Ryzen 5 3600
GTX Geforce 1660 Super MSI
G.Skill Ripjaw 16GB Ram
Seagate 2 TB HDD
Crucial 250GB SSD
NZXT H500 Case
Seasonic S12III 650W
Asrock B450 Steel Legend

Any help would be greatly appreciated. I would pay for help at this point.
Posted by TexasTiger39
Member since Mar 2009
3671 posts
Posted on 7/16/20 at 6:54 pm to
(no message)
This post was edited on 8/8/20 at 8:35 am
Posted by Civildawg
Member since May 2012
9791 posts
Posted on 7/16/20 at 7:04 pm to
I would double check the connections to the motherboard. I would bet anything there is a power plug connected to a fan or something like that
Posted by Chief Hinge
There and Here
Member since Sep 2018
3133 posts
Posted on 7/16/20 at 7:18 pm to
It won’t boot up so we can’t see codes
Posted by Chief Hinge
There and Here
Member since Sep 2018
3133 posts
Posted on 7/16/20 at 7:19 pm to
There’s only one plug connected to the motherboard and it’s really big. It is definitely connected to the power supply.
Posted by Civildawg
Member since May 2012
9791 posts
Posted on 7/16/20 at 7:23 pm to
I would go through and follow this video step by step. There may be an off chance motherboard is bad

LINK
Posted by Chief Hinge
There and Here
Member since Sep 2018
3133 posts
Posted on 7/16/20 at 7:25 pm to
Thank you. We watched that one yesterday.
Posted by GurleyGirl
Georgia
Member since Nov 2015
14183 posts
Posted on 7/16/20 at 8:06 pm to
Most likely you do not have the power switch connector connected properly to the corresponding 2 pin connector on the motherboard. This is easily the most tedious part of the build because they are very small (hard to see) positive and negative pins and they must be connected to the corresponding positive and negative connectors from the power switch of the computer case to the motherboard.
Check your motherboard diagram again closely and make sure you have the connections correct for the Power SW, Power LED, etc.
This post was edited on 7/16/20 at 8:25 pm
Posted by guedeaux
Member since Jan 2008
13729 posts
Posted on 7/16/20 at 8:11 pm to
quote:

There’s only one plug connected to the motherboard and it’s really big. It is definitely connected to the power supply.


There likely should be two plugs from the power supply to the MoBo. Recheck your mobo manual.
Posted by Chief Hinge
There and Here
Member since Sep 2018
3133 posts
Posted on 7/16/20 at 9:22 pm to
There are two plugs. I misspoke. They are both securely plugged in. We checked many times.

Starting to think it’s a faulty motherboard.
Posted by jmcwhrter
Member since Nov 2012
7218 posts
Posted on 7/16/20 at 9:29 pm to
Did you make sure that your motherboard is compatible with the ryzen 3000 series CPU?

You may have to flash the latest bios to be compatible with your ryzen
This post was edited on 7/16/20 at 9:32 pm
Posted by Chief Hinge
There and Here
Member since Sep 2018
3133 posts
Posted on 7/16/20 at 11:03 pm to
Thank you
Posted by BoogerNuts
Lake Charles
Member since Nov 2013
913 posts
Posted on 7/17/20 at 5:46 am to
You say there are 2 power connectors to the MB, but not sure if you are referring to just the main 24-pin power, it is often a 2-part connector. Make sure the CPU power connector is plugged in as well. It will be an 8-pin connector in the upper left corner of the MB.
Posted by southern686
Narnia
Member since Nov 2015
994 posts
Posted on 7/17/20 at 7:51 am to
quote:


Help Needed on a PC Build
You say there are 2 power connectors to the MB, but not sure if you are referring to just the main 24-pin power, it is often a 2-part connector. Make sure the CPU power connector is plugged in as well. It will be an 8-pin connector in the upper left corner of the MB.


This is what I was thinking as well.

Also as mentioned make sure the toggle switch from the case is plugged correctly to the mother board. It can be tricky sometimes.
Posted by SG_Geaux
Beautiful St George, LA
Member since Aug 2004
79598 posts
Posted on 7/17/20 at 8:27 am to
quote:

You say there are 2 power connectors to the MB, but not sure if you are referring to just the main 24-pin power, it is often a 2-part connector. Make sure the CPU power connector is plugged in as well. It will be an 8-pin connector in the upper left corner of the MB.



First thing I thought of
Posted by Inadvertent Whistle
Atlanta, GA
Member since Nov 2015
4992 posts
Posted on 7/17/20 at 9:04 am to
Take a good picture of the inside. Maybe we can see something from that.
Posted by skrayper
21-0 Asterisk Drive
Member since Nov 2012
33239 posts
Posted on 7/17/20 at 10:19 am to
quote:

Most likely you do not have the power switch connector connected properly to the corresponding 2 pin connector on the motherboard.


First thing I thought of as well. It's also easy to get them plugged into the wrong spot, or flipped around as GurleyGirl mentioned.

I'd check on those.
Posted by jambrous
Member since Jun 2010
506 posts
Posted on 7/17/20 at 11:09 am to
It's also possible there is a switch on your power supply, possibly a slider switch that should be set to 110VAC. More than likely though is your front panel connectors are not connected correctly to your motherboard pins as they have stated.
Posted by guedeaux
Member since Jan 2008
13729 posts
Posted on 7/19/20 at 2:52 pm to
quote:

Chief Hinge


Did you get it working? The American public has a right to know.
Posted by Jbou119
Member since Sep 2019
3 posts
Posted on 7/21/20 at 1:27 pm to
AMD is a really specific Processor that requires very specific mobo's and chip-sets of RAM.

I had an issue that caused me to get new ram and had to make sure the chip-set was a match to the ryz 7 3700x. Ram will say it'll run at 3200, but will only run at 2999 due to different chip-sets.

You cant just check sku's nowadays.

Go on your mobos website, check to make sure all numbers line up and can run.
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