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Possible dead GA-890FX-A board - can you help?

post #1 of 12
Thread Starter 
Ok guys,

I know, first post, noob, what have you.

I'm a seasoned repair technician at college, the problem will be outlined below but let me give you some background. I've got exams coming up and I absolutely need to figure this out in like the next 2 days, I just need to know what is broke so I can take actions to fix it or get new parts in ASAP.

Let me go over the timeline so far:

Left in the early AM for work and class, came home around late evening to find all monitors dead, keyboard and mouse dead, computer still on, but HDD indicator solid. Power and reset buttons on both the case and built into the motherboard unresponsive.

I then proceed to hard power it via the switch, wait a minute then flip back to closed position. No power, I hit the power button on the case, no power. Hit the power button on the mobo, no power.

I noticed that if I unplugged the 24pin power connector then reconnected it and hit the power button on the mobo it would startup again, but no beep or anything. It would just hang with a solid HDD LED.

I've tried removing all the RAM, unconnected EVERYTHING but the power and still.

I am almost sure this is a defective motherboard but I've never had a Gigabyte board go out like this. Suggestions?


My setup is the following:
http://www.newegg.com/Product/Produc...82E16813128441

1090T AMD CPU
Sapphire 6950
8GB (2 4GB) Gskill Sniper Ram

Now, mind you, I'm not taking the time to track down the full specs since everything is unplugged and it does the same thing. I've also swapped out the PSU to verify it is not the PSU.

I generally wouldn't be this rushed but I have a lot of work that resides on this machine and it is heavily used, I need to get it back up ASAP and if you guys can help me out in ruling things out, I can get the part(s) ordered, but I'd like to try and avoid eating the costs.
post #2 of 12
First thing: did you clear CMOS?
Beast
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Beast
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Dell XPS Faptop
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Alura :)
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2 x Intel 730 480GB SSD in RAID 0 Asus DRW-24B1ST/BLK/B/AS Noctua NH-D15 Winblows 10 Pro x64 
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post #3 of 12
Test each Stick of RAM in dimm slot 1? Could have been 1 bad stick - had that happen to me a month ago and had the same wacky symptoms. Any LED Indicators on your board btw? I didn't see any in features/pics/or feedback.

Check all MOSFETs for blown or swollen tops - if there are, thats your problem and it will need to be replaced.
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64Gb C300 SSD & 3TB Some LG DVD drive Windows 7 Professional x64 21.5" Asus & 2x Dell Ultra2001FPSs 
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post #4 of 12
I would suspect HDD before I suspected the mobo,do you have any other HDD you can connect?If that doesn't help then yeah,could be CPU or mobo.
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post #5 of 12
Thread Starter 
CMOS has been cleared, both with trying the button and the old fashioned way.

Hard drives are all unplugged and still no POST or even any life on the monitor.

Swapped out the RAM between all 4 slots with just one stick. Going to verify this RAM in my brothers machine if possible.

Sadly GIgabyte has no onboard diagnostics, I'm going to try and grab a PCI based testing card tomorrow morning to see what I can find.

The reason I suspect motherboard is that it accepts absolutely NO input from anything, I mean when I can get it to power up (still no display or activity mind you), the onboard reset button still doesn't work.

I am like 99.99% sure it is the motherboard, I just want to see if anyone here has any crazy ideas I might have missed.
post #6 of 12
Then it sure sounds like it... if it's not posting and every stick has been tested in dimm slot 1 and nothing is blown (that you can see that is) then it's looking like another sad case of a dead motherboard
My System
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Hard DriveOptical DriveOSMonitor
64Gb C300 SSD & 3TB Some LG DVD drive Windows 7 Professional x64 21.5" Asus & 2x Dell Ultra2001FPSs 
PowerCaseMouse
1100 Watt Kingwin Modular PSU RaidMax Dirktooth (Smilodon) Razer Diamondback 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Thuban 1090T @ 4.100Ghz MSI 890FX Zotac GTX 570 815/1635 8Gb DDR3 G.Skill RipJaws OCd at 2000 
Hard DriveOptical DriveOSMonitor
64Gb C300 SSD & 3TB Some LG DVD drive Windows 7 Professional x64 21.5" Asus & 2x Dell Ultra2001FPSs 
PowerCaseMouse
1100 Watt Kingwin Modular PSU RaidMax Dirktooth (Smilodon) Razer Diamondback 
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post #7 of 12
Thread Starter 
Ok so it looks like I have to RMA.

Gigabyte's page says to allow 3-4 weeks for PROCESSING time...has anyone sent any motherboards back to Gigabyte and seen it take this long?

I mean, they even disallow cross-replacement...

I am hoping and praying that newegg will do an RMA with me today, even though I am out of the 30 day warranty by 10 days. With any luck, they can even do a cross ship *crossing fingers*
post #8 of 12
Did you test the RAM in a different machine already?

Just to let you know:
The no post thing can also be caused by a dead PCIE video card or by a dead RAM stick. But in those cases, the board will always at least power up, although it won't POST. However, you said that when you push the power button, there's NO power to the board at all? meaning, no fans or case lights come on?

That could be power supply or motherboard related.

I've seen PSU's that shut off due to current protection, and they won't power back on if you push the power button....you have to cycle the power switch in the PSU back, for about 30 seconds.

But if even that doesn't work....
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post #9 of 12
Uh, is there a reason this is in the "Intel Motherboards" section?
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Why upgrade?
(14 items)
 
Why overclock?!
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Core i5 760 ASUS 55i Sabertooth EVGA 960 4GB 8gb 1600mhz Vengeance 
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120gb Intel 320 (OS) 500gb Samsung 850 Evo Win 7 64 Viewsonic VX2250-Wm 
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Seasonic G 550w Gold Lancool PC-K9B Logitech G5 X-Fi Titanium/AT-H700 
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Core i5 4690k Asus Z97 Sabertooth mk2 EVGA 970 8gb Kingston 1833mhz 
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128GB Samsung 830 500GB Samsung 840 Evo allota fans but quiet! Win 7 64 
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Dell U2311H Rev. A01 Mechanical w/ Cherry Blues NZXT Hale 650w NZXT Phantom - white 
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post #10 of 12
Thread Starter 
I herped when I should have derped....

Was in the middle of thinking about how nice it would have been to have a sandy bridge instead of this frackin AMD, so yeah, my fault.
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