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Is it the power supply?

post #1 of 3
Thread Starter 
I need some help before I get another power supply. I had an ASRock z77 fatality and it suddenly shut off one afternoon. When I would turn it on, the debug led would read 00, which isn't a used code. Nothing I did would get anything but 00 on the led. Well not knowing what it was I decided to just pick up another motherboard, and hope that was the issue. Well today I got my MSI z77-gd65 gaming. When I turn on the power, I get the bios led and phase 1 cpu led lit up and the power and reset buttons are lit, but the debug led is not lit up at all so I get no code. So now I'm guessing its the power supply, its supplying enough power to start the fans and I can hear the hard drives turning on but I'm getting the previous problems from the motherboards. Should I try something else first or does this sound like the power supply?
Thanks
BE
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i5 3570K 4.6Ghz @ 1.3v MSI Z77a-GD65 Gaming MSI GTX 980 Gaming Patriot Viper 8GB (2x4GB) 1866Mhz 9-10-9-27 
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BE
(12 items)
 
 
CPUMotherboardGraphicsRAM
i5 3570K 4.6Ghz @ 1.3v MSI Z77a-GD65 Gaming MSI GTX 980 Gaming Patriot Viper 8GB (2x4GB) 1866Mhz 9-10-9-27 
Hard DriveCoolingOSMonitor
Hynix 128gb SSD Thermalright Silver Arrow SB-e Win 7 x64 ASUS VG248QE 144hz GSYNC 
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Corsair K70 mx red's EVGA Supernova 1000 G2 Corsair M40 Logitech z506 
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post #2 of 3
Could be the power supply, although the surefire way of testing that is to pull the PSU out of your rig and build another computer out of spare parts using that unit. If the spare system powers up fine, then its something else and things just got a hell of alot more expensive.

What it could also be (and pray it isnt because if it is then you'll be needing a new CPU and ram) is that the asrock board may have blown a VRM phase, which almost always causes damage to the CPU (and in extreme cases sets the computer on fire.).
There are a number of ways of checking this, among which are to pull the VRM heatsinks off and visually (and smell) inspect for damage. Burned circuits will have noticeable charring on them, ranging from a small deformed spot on the VRM circuit package to visible damage to the board and neighboring VRM phases, with the latter often accompanied by a loud pop and/or smoke. By smelling for damage, i mean literally sticking your nose next to the VRMs and sniff for the tell tale acrid scent of burned electronics. If you have ever fried a piece of electronic equipment before you'll be intimate with the smell.

If you dont see any physical problems, get a different PSU out of your spares (if you have any suitable units) and follow the VRM guide here, specifically the part labeled "What to do if you suspect your VRMs have failed". Yes it is tailored towards AMD cpus but the basics are universal. This will basically be the hit or miss on what is shot. If it passes the checklist using a known good PSU and the current desired PSU then the asrock board is fine, but your CPU is shot. If it fails the checklist, the asrock board is shot and likely so is the CPU, at which point you have to replace everything anyways.

If you want me to help you just snap some decent quality pics of the top and bottom of the asrock board and i'll do the visual checking myself.
Leviathan
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Leviathan
(17 items)
 
Charred
(10 items)
 
Cheapshot
(8 items)
 
CPUMotherboardGraphicsGraphics
Xeon E5-2690 Biostar TPower X79 PNY GTX 660 2GB HP GT 440 OEM 
RAMHard DriveHard DriveHard Drive
Gskill Ripjaws 4x2GB 1600mhz Seagate Barracuda 500GB Seagate Barracuda 1.5TB Western Digital Caviar Blue 640GB 
Hard DriveCoolingOSMonitor
Patriot Pyro 60GB Xigmatek Gaia Windows 7 Ultimate Acer S230HL 
MonitorKeyboardPowerCase
Princeton 1280x1024 19" Logitech K120 Seasonic G550 Xclio Nighthawk 
Mouse
Logitech MX310 
CPUMotherboardGraphicsRAM
i7-920 Intel DX58SO Asus GTX 460 No ram at the moment 
Hard DriveCoolingOSPower
500GB Western Digital Corsair H50 Windows 7 Ultimate Antec Earthwatts EA-500 
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post #3 of 3
Thread Starter 
Ill inspect the asrock board a little closer and see if I can find any burnt out vrms. The cpu is the only other thing I did suspect, but I was hoping the new motherboard would throw a code indicating as such but unfortunately the debug led doesn't light up at all. So that combined with the 00 code from the asrock makes me think its possibly the power supply. If its the cpu ill probably be without my computer for a while... just dont have the funds right now.
BE
(12 items)
 
 
CPUMotherboardGraphicsRAM
i5 3570K 4.6Ghz @ 1.3v MSI Z77a-GD65 Gaming MSI GTX 980 Gaming Patriot Viper 8GB (2x4GB) 1866Mhz 9-10-9-27 
Hard DriveCoolingOSMonitor
Hynix 128gb SSD Thermalright Silver Arrow SB-e Win 7 x64 ASUS VG248QE 144hz GSYNC 
KeyboardPowerMouseAudio
Corsair K70 mx red's EVGA Supernova 1000 G2 Corsair M40 Logitech z506 
  hide details  
Reply
BE
(12 items)
 
 
CPUMotherboardGraphicsRAM
i5 3570K 4.6Ghz @ 1.3v MSI Z77a-GD65 Gaming MSI GTX 980 Gaming Patriot Viper 8GB (2x4GB) 1866Mhz 9-10-9-27 
Hard DriveCoolingOSMonitor
Hynix 128gb SSD Thermalright Silver Arrow SB-e Win 7 x64 ASUS VG248QE 144hz GSYNC 
KeyboardPowerMouseAudio
Corsair K70 mx red's EVGA Supernova 1000 G2 Corsair M40 Logitech z506 
  hide details  
Reply
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