Question about ASUS M2N-E SLI (M2N-E SLI GREEN) Motherboard

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M2N MB LED is on, fan comes on for 2 seconds only

Same problem like the others, I have disconnected everything from the MB except the CPU and fan, without any luck. I also cleared the CMOS.
please email me if you have a solution

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  • Contributor
  • 23 Answers

There could be any number of reasons for this to happen...here are a few...

1. The fans simply bad

2. If the Mobo has at least "2" fan connections, make sure you have it plugged into the correct one for the CPU. (It should be marked on the board)

3. If you have a processor with pins, examine it closely and make sure none are bent or broken.

4. Reinstall the processor and make sure its "locked" into the board. While you're at it make sure the fan is secured as well, and you have thermal grease on the contact between the fan and processor.

5. The fan or the processor itself may simply be bad properly...

6. Check you're motherboard diagram and make sure all "pins" on the board are in the recommended "default" positions.

7. Finally, if all that checks out, it could very well be the board itself. I do this for a living and I cant begin to tell you how many new motherboards I've come across that were bad from the day they left the manufacturer.

Good luck

Posted on Jul 25, 2009

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  • ASUS Master
  • 5,660 Answers

It's a bad power supply. Couldn't be a bad Power On switch, because it turns on for 2 seconds.

You have to have Ram to get the computer to function, besides the processor. All you will see is the BIOS Setup screen.

Been using the same power supply?

The power supply has bad Electrolytic Capacitors in it. These bad 'Caps' in turn make a weak voltage rail. You have three main voltage rails inside a computer power supply.
The 3.3 volt rail, the 5 volt rail, and the 12 volt rail.

With a weak voltage rail, the processor won't have enough power to run.
ALL the lights, (Lamps), use less than 1 Watt.
EACH fan uses 2 to 3 Watts.
Processors use 55 watts to 125 Watts. Depends on the processor.

Posted on Jul 25, 2009

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1 Answer

Cant get computer to


Disconnect everything from the motherboard except the power supply, CPU and power switch.

Turn on the computer. You should hear 3 beeps because you removed the memory.

If you don't hear any beeps, check the power supply. Check all the connections. Did you connect the 4 pin power? Did you skimp on it? A common mistake is to get a cheap, high-power supply. Just because the box says it's 1000 WATTs doesn't mean that will carry a steady load.

Still nothing...

It's either a bad motherboard or processor. If you have another processor that is supported on that board and you know it works, try it. If it boots return your CPU for a good one.

Unfortunatly, if it doesn't boot with a known-good processor that just proves the board is bad; it doesn't prove your CPU is good. You may have more issues.

Mar 08, 2010 | ASUS M2N-E SLI (M2N-E SLI GREEN)...

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Serious problems with an Asus M2N E SLI motherboard.


have you tried removing all other hardware like your graphics card and all other peripheral cards even memory and booting to see and eliminate all other components?

Nov 21, 2007 | ASUS M2N-E SLI (M2N-E SLI GREEN)...

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Gateway 503gr has no power, the standby light flashes green when I remove power. Tried new PS and the standby LED stays lit. I then tried both new and old PS disconnected from board and shorted...


Disconnect everything from the motherboard except the power supply connections and cpu fan. Install one stick of RAM and connect your monitor. Then try starting up. See if you get any BIOS boot messages. This will tell you that the board and processor are okay.

With what you say you've tried already, I'm thinking you might have a bad processor. Most every other problem would result in some kind of error like POST beep codes or messages on screen. If the system still doesn't boot with the bare minimum parts installed, replace the processor.

Mar 02, 2010 | Gateway 503GR PC Desktop

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Things to try:

1. Check that the cpu fan is properly connected to the correct port marked CPU FAN.

2. Make sure the power cables are connected correctly to the motherboard.

3. Test the button switch with a multi-tester to make sure that it tests good.

4. Make sure the power switch is connected to the correct pins on the motherboard.

5. With the computer off pop the cr2032 battery out and pop it back in after a few minutes.

6. Test the power supply with either another motherboard or a power supply tester.

7. Test the motherboard with another power supply.

8. If all else fails replace the motherboard I have had a bad one from time to time even out of the box, and if you have a spare cpu you may want to test with that also. Cpu's hardly ever go bad I think I have had two go bad ever, not counting power surges and storm damage.

Sep 10, 2009 | ASUS Computers & Internet

1 Answer

Pci express slot


Hi dineshcs.
When adding a new graphics card (Your's being a PCI-Express), you must change a bios setting under the title " Advanced " section. Open you're M2N-MX manual & turn to page 2-21. You need to change the boot order for you're graphics to list,
[PEG/PCI]. Change Initiate Graphic Mode Select to [Disable].
These changes stop the onboard graphics card from loading & allow the PCI-Express card to load. The issue of possible motherboard overheating can be caused by many things. Here is a list of things to check.
1). Check the CPU heat-sink fan. Make sure the fan blades are
free from dust build up. Check fan speed in bios (Its RPM will be listed). It should be running a min of 2300 RPM.
2). Also in the bios is Hardware monitor. By booting into the bios go to this & watch the temp of CPU & motherboard. If either is getting too hot suggest you add a side case 3" fan to the system to help lower the CPU & motherboard temp.

Good Luck!

Mike

Jul 18, 2008 | ASUS M2N-MX Motherboard

2 Answers

ASUS M2N-SLI deluxe


for start

lets remove everything non essential to start up the pc.
Try with only one memory.
recheck psu connectors.

Jun 09, 2008 | ASUS M2N-E SLI (M2N-E SLI GREEN)...

1 Answer

No Output to monitor, no beeps, fans all OK


Hi karanda,
The green led on the board shows green letting you know there is power to the borad.
Does your GFX card have dual outputs? Try plugging into the other output.
If your monitor light goes from green to amber than your PCI-E is not putting out signal. Pull & re-seat video card.
Did you check Asus to see if your CPU is supported & check what bios version you may need to run CPU?
Chcek here: Check what your M2M-E supports.
http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us

Your board only supports these two CPU's
Phenom 9500 (HD9500WCJ4BGD),2.2GHz,95W,SocketAM2+,Quad-Core
&
Phenom 9600 (HD9600WCJ4BGD),2.3GHz,95W,SocketAM2+,Quad-Core

You need Bios version 0802 in order to run the above CPU's.

Good Luck & kind regards!

Mar 10, 2008 | ASUS M2N-E Motherboard

2 Answers

Serious problems with an Asus M2N E SLI motherboard.


I understand how this must be driving you nuts. What I am going to suggest might sound stupid but I have to ask. After your assembly was finished (1st time around) did you check the 4-pin ATX + 12volt connector was correctly & fully inserted into the board? Pg. 2-28 section 6. in your manual? Did you add thermal grease to the CPU. A bad pin on the CPU will give you this symptom. I completly understand if you do not agree with this next part but it is extreamly important you go with it. Take the static bag your board was wrapped in & lay it on a table. Place a piece of foam on the static wrap & place your motherboard on the foam. You can use books instead. Connect your PSU, CPU heatsink & fan, Hd & video card & 1dimm to motherboard. Connect mouse, keyboard & monitor.
Check that PSU is set for 115v (small red slide switch near the off/on toggle switch). Plug in the PSU to outlet.
If the green led on board lights up you have power to board. This is known as a standby led. If it's not on, flip the toggle switch on the PSU to on.
Use a pen to short the power switch. This will turn on the board, no different than you pressing the power button on your case. Goto pg. 2-30 in your manual. Find PWRSW two pins. If the system starts up than somewhere durring install the board was shorted to the case.

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2 Answers

ASUS M2N-E MBOB


remove the processor and ram from the mother board. now connect the smps to the motherboard and on the motherboard. if the problem persists again then u have the problem with the motherboard. if the board gets on then insert the cpu and on the board if this dosent work then their is problem with the cpu. this applies to all the motherboards

Sep 27, 2007 | ASUS M2N-E SLI (M2N-E SLI GREEN)...

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