So I think I have a mobo issue.. Please read.

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mjt708

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So I was installing shadow of Mordor and stopped the installation because my Asus GTX 780 came. Shut off computer, unplugged cord, etc etc. Removed old card, palced in the 780, plugged everything in, started computer. No signal received. So I double checked that everything was plugged in correctly and it was so i rebooted, nothing. I Tried putting in my old card and it was the same problem.

PSU: Corsair CX 600...

Any idea if this is the mobo? Any way to fix it? If there is what? If not then what mobo can you recommend to me that is rather cheap but reliable.
 
Solution
terry4536
If everything worked outside of the case, then it is a good guess that the motherboard is shorting out to the case. Look for anything that may be touching motherboard (that shouldn't be). If you can't find anything, reinstall the motherboard again being extra careful with the i/o shield plate. Remove anything that wasn't plugged into the motherboard, when it was working outside of the case. And test your system.

Were there any beep codes?

Directions for breadboarding a motherboard.
http://www.tomshardware.com/forum/262730-31-breadboarding

Remove anything that wasn't plugged into the motherboard, when it was working outside of the case. And test your system.
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mjt708

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The only option my mobo has is a VGA output. I don't have the proper adapter to hook it up to my monitor. I'm going to run to the store after class to see if I can do that. But when I boot up all LCD's come on, fans are running, everything, my keyboard lock button lights come on and stay on. Anything I can deduct from that?
 
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mjt708

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It's just kinda weird that something went wrong. I mean really all I did was remove the GPU and put in a new one. I don't think anything came unplugged, I unplugged everything and plugged it back in. I don't really know how I would've screwed my mobo just by doing that. You know what I mean.
 
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mjt708

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I think the video drivers would be more accurate. I was moving from a amd 7870 ghz to a gtx 780. I didn't uninstall the old drivers before installing the 780 (like an idiot). However even when I put my 7870 back into the case it was giving me the same problem. And when I have the power on the 780's lights are on, fans are running and everything seems to be working. Same thing for the 7870. :/
 
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mjt708

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GPU : (Previous MSI HD 7870 GHz edition) trying to be Asus GTX 780
CPU : AMD FX - 8320
Mobo: msi 970A-g46
PSU : Corsair CX600
RAM : G Skill Sniper series 8gb(2x4gb) ddr3
HDD : I think it's WD 1tb HDD

Sadly I don't currently have access to another desktop. I have a laptop but I can't access my desktops hard drive from it. I don't have integrated graphics.
 
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terry4536

terry4536

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Did you try resetting the CMOS? Do you have a case speaker? Without a monitor the case speaker is the only means to trouble shoot the motherboard.

APEVIA CVTCSPK 2" Case speaker cable for computer cases that connects to the motherboard $6.99

http://www.newegg.com/Product/Product.aspx?Item=N82E16812201032&cm_re=case_speaker-_-12-201-032-_-Product

Go through the checklists one at a time and cross off each as best that you can without a monitor.
Do you have access to another monitor so you can try a different video output. Did you try the other PCI Express 2.0 x16 slot?
 
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mjt708

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So last night I reset the CMOS, I have a case speaker but it never produces a post beep. Even when I put the computer together for the very first time it never worked. I tried using HDMI but it was no good, I tried the other PCIE slot but it didn't work either. Basically I'm looking at either a PSU or mobo problem, right? I might be able to get a PSU from my neighbor and give that a shot. If that doesn't work(when I know his works) then I can pretty much just deduce it being a motherboard problem which would only mean to replace the motherboard right?
 
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terry4536

terry4536

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Did you try reseating the RAM? Remove each stick, clean the contacts, blow out the slot, and reinstall. Then check the system again.

Without a working case speaker trouble shooting is harder. Beep codes would indicate the problem. RAM can cause no video out.
 
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mjt708

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I went out and purchased a new PSU from microcenter and I have everything all plugged in and all that happen when i hit the power switch is the LEDS blink once and the fans don't even spin. I am starting to think it's now either the RAM or mobo. I've tried removing each stick and placing each in each slot but it's produced the same result....
 
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terry4536

terry4536

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Like I said, without the case speaker it is just throwing parts at it and hope it works. At this point the motherboard is a likely problem.

If you get a new motherboard, get one with integrated graphics.
I would also suggest getting one that that you can update the bios in situations like this. Asus has the crashfree bios 3 recovery tool that allows you to recover from a corrupted BIOS.
 
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mjt708

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Yeah I wish it didn't have to be like that lol. I probably could've purchased a speaker from microcenter but i just wasn't thinking about it when I went in. I guess I'll go in tomorrow, return the psu, and I'm going to bring in my old psu and use their test to make sure it's working. After that I'll just purchase a mobo I guess. Any board you can recommend to me 75 or below
 
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terry4536

terry4536

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Here are a few suggestions that are compatible with your processor. These don't have integrated video, I'm still looking.

GIGABYTE GA-990FXA-UD3 AM3+ AMD 990FX + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard $116 after rebate

http://www.newegg.com/Product/Product.aspx?Item=N82E16813128514

ASUS M5A99FX PRO R2.0 AM3+ AMD 990FX + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS $ 147.99

http://www.newegg.com/Product/Product.aspx?Item=N82E16813131851

ASUS M5A97 R2.0 AM3+ AMD 970 + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS $89.79

http://www.newegg.com/Product/Product.aspx?Item=N82E16813131873
 
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mjt708

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I've about had it. I went out and got a new mobo and plugged everything in before installing it into the case, it started, couldn't be more excited. I installed it into the case and now it's the same damn problem as before. I don't understand!!!!
 
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terry4536

terry4536

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Mar 28, 2010
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If everything worked outside of the case, then it is a good guess that the motherboard is shorting out to the case. Look for anything that may be touching motherboard (that shouldn't be). If you can't find anything, reinstall the motherboard again being extra careful with the i/o shield plate. Remove anything that wasn't plugged into the motherboard, when it was working outside of the case. And test your system.

Were there any beep codes?

Directions for breadboarding a motherboard.
http://www.tomshardware.com/forum/262730-31-breadboarding

Remove anything that wasn't plugged into the motherboard, when it was working outside of the case. And test your system.
 
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Solution
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mjt708

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Sep 27, 2014
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I'm a fool and one of the fan casees were plugged in wrong. The other mobo was definitely fried. Thanks for all your help man. I've finally got it to work.
 
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