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build; please help me diagnose this issue!


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#1 spikespiegel

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Posted 21 February 2017 - 07:37 AM

Hi guys, I built a PC with the following specs: 

 

I7 6700k CPU

z170A chipset mobo (MSI)

64GB ram

Geforce 1080 GPU

Corsair water cooling

 

Computer ran GREAT for a few months. I used teamviewer to access it when out of town, and kept it on for around two weeks (with no workload). Came back to it last night and the monitors won't recognize a signal at all. Computer was still on. There's no sound, beep, or anything when I restart it. Powered off/on, reset bios, settings. Nothing shows up on the monitors, no signal. 

 

What could have happened? How should I begin the trouble shooting? Did the Mobo crap out? Its showing 0 0 on the post code window.. Everything seems like its geting power and is on, including GPU. Also tried 3 diff monitors and HDMI/Displayport, nothing. No signal. 

 

Please help!!



#2 Gremlin

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Posted 21 February 2017 - 09:32 AM

Well  you said you were using teamviewer. Can you teamview from a diff machine and see if you can get in?


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#3 spikespiegel

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Posted 21 February 2017 - 09:53 AM

Nope. I don't think the machine is actually posting anything. 

 

I took out the graphics card and tried connecting displayport on the mobo (the cpu has its own gpu) but now the computer won't even turn on with the Geforce 1080 out and onboard gpu being used.. So problem seems to be between mobo or cpu..?



#4 scr4wl

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Posted 21 February 2017 - 01:24 PM

To start I would pull the mem and clear the bios, and try to boot from integrated video if you have it (no gpu attached).

Is this plugged directly into your wall?

Didnt see your last post.

Still try booting with no card, like you are doing. But go ahead and reset the bios and reseat the memory(maybe even not all of it).

See if it starts up

Edited by tacohunter52, 21 February 2017 - 01:25 PM.

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#5 SpikeSoprano

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Posted 21 February 2017 - 03:05 PM

I'd do pc 101, remove all memory sticks but 1, remove video card and any extra cards , remove cmos battery to reset bios and go from there, if it posts try adding 1 piece at a time.


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#6 spikespiegel

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Posted 21 February 2017 - 03:28 PM

So apparently, after removing the videocard, and keeping one stick of RAM in, the computer will not even power on. Popped the video card back in, and it still won't power on now. I just picked up a 7700k and seated it on the Mobo, and it still wouldn't power on. So now it's down to the mobo or PSU.. I think it's very likely the mobo. Will revert once I replace the mobo 



#7 scr4wl

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Posted 21 February 2017 - 03:59 PM

Just for fun,

What happens if you power it on with no memory? Any beeps

Its unlikely that it just "crapped out" out of nowhere.

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#8 ccokeman

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Posted 21 February 2017 - 06:07 PM

Do you have another PSU to try with it?  Had that issue once where the PSU to a dump and I would get random failures to post until I finally got nothing at boot.


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#9 AkakmanH

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Posted 22 February 2017 - 06:15 AM

Do you have another PSU to try with it?  Had that issue once where the PSU to a dump and I would get random failures to post until I finally got nothing at boot.

 

Everything you have described point to one of two possible faults

1. bad PSU - if you have a VOM, check the voltage to the CPU

2, bad MB - the MB VRM might have crapped out

I would replace the PSU first.



#10 Fight Game

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Posted 22 February 2017 - 08:02 AM

I had a similar issue, and not long ago.  But on my much older motherboard.  I had tried everything, or what I thought was everything, but it wasn't until I gave the bios a real proper reset before it would do anything again.  I had removed the battery and moved the jumper but that didn't work at first.  It wasn't until I did this and also read that shorting out the + and - on the battery holder.  It seems there are some capacitors that hold some info and before it got a proper reset would it really reset.  It's back up and working now.  I had thought my psu was bad and bought a new one but that wasn't it.  Then I thought it was the motherboard, before I found these other instructions for a reset.


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#11 Braegnok

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Posted 22 February 2017 - 01:45 PM

I had a similar issue, and not long ago.  But on my much older motherboard.  I had tried everything, or what I thought was everything, but it wasn't until I gave the bios a real proper reset before it would do anything again.  I had removed the battery and moved the jumper but that didn't work at first.  It wasn't until I did this and also read that shorting out the + and - on the battery holder.  It seems there are some capacitors that hold some info and before it got a proper reset would it really reset.  It's back up and working now.  I had thought my psu was bad and bought a new one but that wasn't it.  Then I thought it was the motherboard, before I found these other instructions for a reset.

 

Capacitors do not hold information,.. but capacitors do store electric energy.

 

Sometimes a capacitor on the motherboard will hold a charge on the BIOS IC,.. so you remove the CMOS battery, and with the power cord unplugged, press the power button to discharge BIOS IC,.. generally just removing CMOS battery for 5-min and replacing works fine.

 

Before shorting your CMOS battery holder, check for detailed instructions in your manual.  :no:


Edited by Braegnok, 23 February 2017 - 12:54 PM.

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#12 Fight Game

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Posted 22 February 2017 - 03:19 PM

Maybe it was just a trick for my board.  But I tried all that multiple times and was about to throw the board in the trash when I read about this trick.  And was the only thing I did differently when it worked.  I also recommend to follow your manual first.  But if you're to the point that I was, you might as well start trying things. 


Dell 24" UltraSharp 2408 (1200p) and 50" hdtv
Windows 10 os
Asus Crosshair VI x370 mainboard
AMD Ryzen 1700 @ 4050mhz cpu

Artic Cooling Freezer 240 AIO cooler
GSkill 16gb ddr4 @ 3333mhz ram
XFX amd390 8gb video
Samsung 960 evo M.2 and 850 pro SATA3 ssd's

PC power & cooling 750w psu
Antec 900 case