Question about Foxconn K7S741GXMG-6L Motherboard

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Dead board. found the problem.when power supply burnt,it also burnt a chip on the board.could not see it till i took board out of case.thanks for help tho.

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Re: dead board.

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Posted on Jan 01, 2007

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My client has a p4m900-m4 mobo that was installed Oct. 2009. The system has 2 dvd players. He tried to play a dvd and the system shut off and now appears dead. I get a power light, one of the dvd players...


There could be many things that could stop the board from turning on, Determining what is wrong is like detective work. What I do, is take everything off the board to start. Then add the minimum to start a board to see if it will start. That's one drive (cd or HDD or whatever as long as it's a drive) the CPU, graphics card (if required) and one bank of memory, unless the board requires dual matching chips.. (that's not a required eliminate, but it helps avoid beep codes) Also, make sure you have your pin's set on the board absolutely correct, or that could be your problem to begin with. Also, if your going to load a ide drives, make sure you set your pin settings for master/slave/CS are set correctly on it. Now, you should get the power supply on, and the cpu fan spinning. If those don't power up, it's then either one of the six elements. The CPU, Power supply, Ram, Drive, graphics card or finally the motherboard. The next step is to replace each one of the elements with another to see if you get any change. Also, on the drive, try a different cable to make sure it's not that. I usally start with the drive, then move to the memory chip, next CPU, Last PSU. I also make sure that my replacements work on another machine first. If no change, then it's save to say you have a bad Board. It's a lot of work I know, but it's the sure fire way of finding out what isn't working.
Please don't forget to leave a rating.

Thanks Mark

May 15, 2010 | Biostar P4M900-M4 Motherboard

5 Answers

2 short 6 long beeps, whats the problem? nothing on screen, no other signs.

Check your VGA Card it's properly connect and your memory module, maybe one of that is not functioning.

If still have that beeps then change temporarily your VGA Card with another. As long as you see some appears on the screen then it's good luck.

Good luck!
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Oct 05, 2009 | ASUS p4p8x-uay Motherboard

3 Answers

I had an asus P4S800 MX motherboard and power supply and I think I have everything setup the way it is supposed to be. The power light is on the motherboard, the monitor and keyboard are plugged in, and...

hello must replace your motherboard! the problem with this asus series led consumers to panic. P4s800-mx boards are sensitive on power surges..this boards i think did'nt pass from power test tolerance. they can't withstand abrubt power changes. even the green light onboard indicates power presense and the proccessor's fan is working, believe me.that is already totally dead, even if you try to change the power supply it will not work either unlike asus's early version like p4s533mx, p4b533, p4v533 etc...are more reliable on power changes.this is the downfall of p4s800mx..but if want to still revive it, you must have a good skills on soldering small components..p4s800mx regulators sucks and even you replace it, it will bear the same problem.i only have the chance to post this solution because i noticed that anyone seems dont have a concrete solution regarding this..i already dumped 300 units of this boards. because there is no posibilities to elongate the life of this boards you are very lucky if you still have this boards(just try to use HQ voltage regulator to protect it.) the thing is, the tiny capacitors lied accross the processor at the solder side is always malfunctioning and the power regulators(component side) always changing in value that dont sychronizing to the power needed by the board...please pass my solutions to our members for them to understand. i am a filipino and we have a wide posibilities of solving this problems we love technology and technologies are just made by us we all have the solutions.

thanks brothers.....

you can contact me on my email:

Feb 28, 2009 | ASUS P4S800-MX Motherboard

3 Answers

PC Chips M848A dead, no screen output or blips

I had the same problem. I bought the M848A from Newegg in an attempt to save my trusty Athlon 2600+ CPU and a fancy Raedon 512mb AGP card which I salvaged out of my old broken down system. I thought it would be a good time to update the RAM so I bought 2 gigs of OCZ 3200 DDR400 to go with.

(1) First the damn thing wouldn't boot past the post screen. It would simply cycle thru post over and over. Fixed: The microsoft XPpro operating system was corrupt. The new board hated the old configs from the previous system. After trying (and failing) a os repair, I ended up simply doing a clean intall with great results. Board was stable worked great for a week. Only had one glitch...

(2) The board would only recognize and post ONE of the 2 gigs of ram I bought. I raided all the CMOS settings, and downloaded all the user manuals I could get a hold of and found no answers to this curious problem. On a whim, I opened the case and switched their locations back and forth which led me to...

(3) Lights on, no one home. All the lights came on... power, HDD, cd drives... all the fans worked: case, CPU, graphics card... but the screen would remain blank/unpowered and no post menu would come up. Seemed like it wanted to work, but simply stopped short of booting up. THIS WAS YOUR PROBLEM?!?? On a hunch, (more an angry impulse) I reached over and popped an old Mushkin Technologies (PC 3200 400DDR) 512mb out of my old dead mobo and slammed it solo in the primary memory slot. Bingo. Fired right up.

The board appears to be testy with its RAM... If it fails its initial memory test, it will not post. The screen will not come on. I'm not 100% certain this is the final solution to the problem... I'm still playing with it. My questions now are.... do I have dead RAM? Chip compatibility issues? Perhaps the PC Chips support techs on their website have some practical advice on this issue. I'll keep you posted if you like.

Dec 26, 2008 | PC Chips M848ALU Motherboard

1 Answer

Problem getting hard drives to run

check the power supply. some time power supply not suppling the proper voltage to the accessories. 

Nov 26, 2008 | Intel Motherboard

2 Answers


is the power switch connected properly to the case button ?

an example above this would prevent it from powering if it has been knocked of the jumper

Mar 20, 2008 | Intel CELERON 2.66Ghz CPU AND MOTHER BOARD...

4 Answers

Motherboard Dead

Hi Tom,

there are plenty of basic component overviews in the D500 Service Manual, but I don't believe you're looking for that specifically. What you're looking for is a circuit board schematic, to see the exact paths.

Unfortunately, Dell uses a strictly proprietary wiring scheme, so you'd have to call them directly. Although personally, I'd advise against repairing the board yourself, even with your experience. I think It's quite obvious from the burnt out components you've found that the board was subject to abnormal voltage levels, most likely from a power surge. There's no telling what path the electricity took, and how many components it's damaged. replacing those two inductors (if they are, in fact inductors) could fix the problem, or it couldn't... it's hit or miss at best. It's for this reason that most techs just replace the board instead, soldering it only if the problem is a leaky capacitor or two.

Dec 29, 2007 | Dell (04U621) for Latitude D600, Inspiron...

1 Answer

Mobo no boot after changed power supply

I couldn?t find much on the motherboard either. Over the years I have only seen a handful of boards with fuses so I doubt you have on your board. -Double check the new power supply and ensure it is designed for your motherboard. -Double check the power supply connections to the motherboard, the connectors should mate up exactly to the motherboard. -If you did remove anything double check for shorts, grounding and so on. Any of those can cause the same symptoms. -Test the case power switch, it could be bad. -Some power supplies have on/off rocker switches on them (in the rear by the A/C power socket), make sure it?s on. -Most power supplies have a 115/225 volt switch in the rear by the A/C power socket; make sure it is set to whatever is appropriate for your country. I assume you use 115V like we do down here. -Make sure the A/C power cord is working. -Test the power supply in another computer or if not available you can generally pickup an inexpensive tester for $10 to $15 at a computer store that sells parts. -If you get this far and still have no solution then my guess would be the old power supply had a power surge on its way out and damaged something major on the motherboard. You can look on the motherboard for obvious signs of damage; however, unless you know what you are doing I don?t recommend the typical user try to perform repairs of this sort. Let us know how things go or if we can help further.

Jan 01, 2007 | Foxconn K7S741GXMG-6L Motherboard

6 Answers

NO Power up at all, Nothing!

Do you have a LAN connection on the machine that you use? That would be an area to start to make sure that (when a LAN cable is plugged in, the incoming and outgoing lights will blink) the power supply still works. If the power supply does still work, it could be the motherboard or CPU which isn't working. It could be something simple like thermal compound needs to be reaplied to the CPU, or there may be faulty hardware. Let me know if the power supply is still working.

Oct 11, 2006 | ASUS A7N8X-E Deluxe Motherboard

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