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Asus P6X58D-E will not POST.

post #1 of 6
Thread Starter 
My current setup is:

1. Antec Earthwatts 650W
2. Sapphire Radeon HD6790
3. Zalman CNPS9900MAX
4. Seagate Barracuda XT
5. Intel i7-960 3.2ghz
6. Cooler Master HAF 932
7. G.Skill Ripjaws Series 12 gig (3x4gigs).
Model F3-12800CL9T-12GBRL

My current problem is that the motherboard's Memok! light keep glowing even though I pressed it for 3 seconds. I had the same problem with it's older brother, the Asus P6X58D-Premium which I RMA'd on Newegg. Then I bought the Asus P6X58D-E, hoping it was just a moboboard problem, but the same issue is still present.

I have tried resetting CMOS and checked all three ram modules individually, but still no POST.

Unfortunately the case doesn't have a speaker and I'm not quite sure what the problem is.

From online, I have heard about the same problem happening to others. I would really appreciate if fellow members helped me with diagnoising if the problem might be the PSU, motherboard, or ram.
post #2 of 6
can you use one stick in any of the memory slots? id try all of them.
X99 Main Rig
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
OSPower
Win7 Pro Enermax 1000W 
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X99 Main Rig
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
OSPower
Win7 Pro Enermax 1000W 
  hide details  
Reply
post #3 of 6
Thread Starter 
I've tried all of them individually in different slots.

I was also thinking it might be a memory incompatibility due to the supposed picky nature of the motherboard or that all of the stick are bad.
post #4 of 6
"Memok! light keep glowing even though I pressed it for 3 seconds."

With 1 RAM stick in proper slot try holding the button down for a least one minute or until it blinks. Dont think 3 seconds enough.

If still no go rebuiuld outside case with bare minimum disconnected header and start by shorting pwr on pins. Still fail suspect power supply, power connection, RAM incompatibility (unlikely all 3 sticks bad), CPU or socket pins, motherboard (unlikely 3rd mb fails same way.)
Edited by Albatross1991 - 6/8/11 at 12:57pm
post #5 of 6
Thread Starter 
Alright thank you, I'll definitely try for more than 1 minute just to make sure.

Although I'll probably be checking it again, I don't think any CPU pins are bent. How would I check if it's the power supply or the power connection?
post #6 of 6
Obviously, the most definitive way is to swap a known good PSU with adequate specs into your system. Or, check your PSU in a different system with a similar configuration and load characteristics. At the end of the day, its the only way to be sure.

But lacking a spare PSU if you have the skills and a multimeter measure voltages. Just make sure power is disconnected from your computer when you disconnect and reconnect power cables to motherboard and other components.

1.With power off disconnect main 24 pin ATX cable from mother board. Using a simple paperclip jumper pin 16 (Green) to any GND pin (Black). This should turn on your PSU and you can measure voltages on the Main ATX cable.

http://pinouts.ru/Power/atx_v2_pinout.shtml

2.If voltages on main ATX are within specs next turn off power and reconnect main ATX to motherboard and begin measuring voltages at other power cables. You should have some spare molex cables you can easily check. Others you must remove all power from the computer before diconnecting and again when replacing power connectors.

http://www.playtool.com/pages/psucon...onnectors.html


3.If you stumble on a low or no voltage double check you are making good contact with meter leads and pins. Then begin systematically disconnecting other power connections which may be causing the voltage error in order to try and isolate the failed component.

Voltage tolerances and color codes.

-5VDC (if used) ± 10 %
+12VDC ± 5 %
-12VDC ± 10 %
+3.3VDC ± 5 %
+5VSB ± 5 %

Black = Ground
Orange = +3.3v
Red = +5v
Yellow = +12v
White = -5v
Blue = -12v
Edited by Albatross1991 - 6/9/11 at 1:11am
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