Question about EliteGroup NFORCE4-A939 (NFORCE4A93910) Motherboard

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Nforce4 a939 power led comes on, but nothing else

I just got a nforce4 a939 notherboard today, the 24 pin power connection is in, the 12vatx connector is in. When I push the power button, the power led on the mb comes on, but nothing else and if I hold the power button in afterwards, the power led goes off again as with an atx system. My power supply is atx 2.2, so that shouldn't be the problem. Any suggestions?

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I am on an nforce asus an32-sli premium, with a 939 in it right now you need a 450 -500V power supply. they are resourse hogs, also are you running anything into the cable or ribbon that the main drive is on, if so try running just the drive and nothing else plugged into the MB as a master 0. Don't forget to connect the sata if you are running sata. let me know if it boots in that config, also clear the cmos and pop the battery prior to booting.

Posted on Dec 21, 2008

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The green light on the back is flashing, but when I push the power button nothing happens, any ideas what it could be?


The Green LED light flashing indicates a bad Power Supply. Weak voltage power rail.

http://h10025.www1.hp.com/ewfrf/wc/product?product=404643&lc=en&cc=us&dlc=en&submit.y=7&submit.x=7&lang=en&cc=us

Troubleshooting Power Supply Issues HP Pavilion A520n,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&tmp_task=solveCategory&lc=en&dlc=en&cc=us&site=null&lang=en&key=null&product=404643#N207

Click on > Power Supply light is on or flashes

"If the LED is still flashing (it should not flash with all connectors removed), plug the power cable into a different power outlet that is known to be good. If the LED still flashes, the power supply should be replaced."


Cause?
The leading cause is the computer is dirty inside, to include the Power Supply
The next cause is that Electrolytic Capacitors have failed inside the Power Supply.

Solution is to replace the Power Supply.

The Power Supply used is the ATX form factor. The type of Power Supply used in over 80 percent of PC computers out there, and very readily available.

Size of the power supply case is approximately 6 inches Wide, 5-1/2 inches long (5.5), and 3-1/2 inches Tall. (3.5)

It is a 250, or 300 Watt generic unit, probably made by Bestec, Delta, or HiPro.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00072236&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=404643

Scroll down to see the illustration and photo of the motherboard.

Power cables needed are;

A) 20-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

{ ATX power supply's today come with a 20 + 4-pin ATX main power cable.
The power cable can be used as a 20-pin, or a 24-pin.

Add the 4-pin connector to make it a 24-pin, or do not use it, and have a 20-pin }


B) Enough standard 4-pin Peripheral power cables for the IDE (PATA) harddive, {1}, and the optical drive/s.

http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral

Today's power supply's come with either at least 4, or 6 of these power cables.

C) One Floppy Drive power cable.
Won't be used for a Floppy Disk Drive on your computer. It's power for the Memory Card Reader.

http://www.playtool.com/pages/psuconnectors/connectors.html#floppy


All of the above power cables are typical when purchasing an ATX power supply today.
Need guidance in choosing a Power Supply, please state in a Comment.

Regards,
joecoolvette

Nov 30, 2010 | HP Pavilion A520n (DW233A#ABA) PC Desktop

2 Answers

Psu


Hmmm.... mainly you have:
-20 or 24-pins connector, that is unique and goes directly to motherboard (powers motherboard and its components)
-4 or 8-pins connector that powers CPU
-the rest would be connectors for ROM (CD/DVD/BlueRay) and HDD devices (there are: molex and sata power conectors)

If you totaly unshure, there is manual:
Illustrated How to Replace an ATX Power Supply

Sep 05, 2009 | Computers & Internet

1 Answer

NFORCE4-939 do I need the ethernet network access manager?


You only need the Ethernet if you want to connect to a network. If you can not get the onboard ethernet to work, you can always use a USB adapter. By the way, have you downloaded the drivers from nVidia?

Jun 30, 2009 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

I wish to upgarde to the fasted CPU possible for my motherboard


More importantly RAM will give you better performance, if your computer is low on ram it doesn't matter much what the cpu is.

you can put up to 4GB of ram into it
4 x 184-pin DDR SDRAM DIMM socket support up to 4 GB
Support DDR400/333/266 unbuffered DDR SDRAM

here is a list of supported CPU's
http://www.ecsusa.com/ECSWebSite/Support/CPU_Support_Model.aspx?detailid=493&MenuID=69&LanID=0

I think any of the dual cores on that page will be a OK upgrade.

So if you upgrade your ram to 2GB and a Dual core 4800+ that should be good. but in the long run it might be smarter to upgrade to a new motherboard and even faster cpu, with DDR 2 memory, the memory ddr2 is really cheap these days.

May 21, 2009 | EliteGroup nFORCE4-A939 Motherboard

2 Answers

Can the nforce4 a939 run on vista


Hello johanki,
I think so, you can check Motherboard page on ASUS website for more details
http://www.asus.com/ProductGroup2.aspx?PG_ID=mKyCKlQ4oSEtSu5m

Apr 09, 2009 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

ECS Nforce4-a939 ram detection issue


Some people don't like links as a solution, but the subject is more complicated than just a few lines of text, By chance do you have a killer graphics card with 1 gig of memory (which in turn overwrites the 4 gigs of system memory when mapped. 4-1=3) Give this a read:
http://support.microsoft.com/kb/929605

Feb 04, 2009 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

1 Answer

Pc bios battery faulty


Hi there check board for bios reset normally jumpers that have to be shorted,you must also disconnect power plugs from sockets normally 24 pin and 4 pin for about minute,reset bios on board for few seconds
put bios back as it was reconnect power plugs,reboot to get into bios on screen normally hit DEL button or what your screen tells you ,enter cmocs screen change date etc and check all devices are detected then save when your finished and should boot on its own

Jan 08, 2009 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

2 Answers

Computer will not boot


Option 1 :

Remove completely the mother board from Cabitnet.

Try to check it on other Cabinet.


Option 2

Remove mother board and re- plug the SMPS power Connecter to Mother board outside of cabit and make sure that motherboard is not touching directly to Metal part of cabinnet.


then switch on computer and check


Nov 22, 2008 | ASUS P4S800-MX Motherboard

1 Answer

Replacing a power supply.


Hi,

You need to connect both 20-pin and 4-pin connector to *********** board. Your 4-pin connector is located between your CPU and a I/O connectors.

If you did it right first time, check if you have anything shorted on your board because your old P/S could go bad for reason.

Good luck!!!

Jun 20, 2008 | EliteGroup K8M800-M2 Motherboard

1 Answer

SYSTEM SHOCKING AND DOES NOT BOOT


first chuck with ur power supply earthing. if ur power supply is correct, then chuck ur SMPS

Feb 10, 2008 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

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