Question about ASUS Intel 850 Chipset P4T-E (P4T-E/WOA) Motherboard

5 Answers

Dead Motherboard? Greeting, I have ASUS Intel 850 Chipset P4T-E Motherboard socket 478 P4. My computer was running as usual without any problems. One day I went to my place to turn on the computer (as usual) and it does not power up at all. Power outlet is ok. I swaped power supply (with more wattage) and still the unit does not power up. Therefore I assume that I have a dead motherboard (shorted). All I get from motherboard is that onboard LED is on. Is there a way to test motherboard if it is working properly? Any suggestions on how should I proceed to solve this problem. Thanks, Adam

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  • Anonymous Jun 13, 2008

    Hi, I have the exact same problem as Adam. I've checked everything as the solutions suggested, I've changed the power supply even though I didn't think it was the problem. Unfortunately, my computer still dead. I'm thinking of replacing my motherboard. However, I'm not sure how to remove the CPU and the CPU fan. Another word, will it worth the time to go through the trouble ?

    Jan

  • Anonymous Jun 16, 2008

    no idea

  • Anonymous Jun 27, 2008

    I have 915GLVG motherboard.My computer was working nicely. One fine evening, when i switched on my machine,it was non passing POST.

    Following observations are made



    a) One small green LED on motherboard was coming on as soon as I put on the power supply.

    b) No beeps from RAM

    c) HDD gives click sound

    D) Both the processor fan and case fans switches

    on



    Following steps carried out but in vain.

    i) I removed power socket several times and plugged in.

    ii) Removed CMOS battery,waited for one hour and put it back.

    iii) Removed RAM and put back again

    iv) Removed connectors from HDD,FDD,CD drive one by one and checked.



    My system configuration is

    a) Intel p4 processor

    b) 256 MB DDR ,400 MHz ( qty-one in single channel)

    c) 915 GLVG motherboard



    PLEASE HELP (My email address- santwanu@gmail.com )

  • ratisha Dec 06, 2008

    sometimes the system doesnt start up
    and when it starts it shuts down suddenly after sometime
    without any warning


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Testing motherboard components is beyond most users and computer shops these days, especially when it costs more to test than a new board. What you can do is do a visual inspection for physical damage; common items are -broken connectors -capacitors with rounded tops or corrosion at the base -burnt or scorched components or spots on the motherboard -corrosion on the motherboard especially around connectors, solder joints and the CMOS battery. On machines that sit idle for some time when I find physical damage its typically from high humidity, power spikes, dead CMOS batteries and damaged capacitors. Even if I find something physical I will usually replace the motherboard rather than try to fix it and run the real chance of it failing again. More often than not the physical problem we find is usually a symptom and not the actual underlying cause. Since the cost of repair parts is small compared to my labor its more cost efficient for my customers to replace the defective part with a new, warranted part. That minimized the chance of having to pay for my labor again. On the other hand if you want to experiment for the experience then go at it and have fun. Soldering correctly without damaging the part or the board is an definitely an art that takes time to learn.

Posted on Feb 28, 2007

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Check the capacitors its my leacky, or fauilty in shape, check the powersupply section on motherboard if u are belongs to an electronics, but be sure that ur powersupply is is good with proper voltages, u may check voltages by shorting green wire with to any back ground wire of powersupply and measure the voltages which is required to motherboards it may also cause motherboard not let power on, in short there is long troubleshooting to repair motherboard in steps. for forther more u may email me, i am hardware engineer and i do repair motherboards, rams etc.. asadeng@hotmail.com

Posted on Feb 28, 2007

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Many boards can be fixed. Especially the P4T-E...

Get a post card. Unfortunately many boards are plagued with no built-in post. The post is your first stop.

Reset the bios, check the battery and reset it again.

Also, glance over the board and check for damaged components. Look around the processor area, especially around the memory socket above the board. Bloated capacitors are blown capacitor, even if there is no electrolyte (the brown goo). Now if the brown goo is visible on the top bents, that means its bad.....

The ASUS P4T-E has Rubycon and Sanyo of usually the "good" quality. Unfortunately there is a "best" and an "extreme" quality.
I had 4x blown Sanyo WX 1500µf @ 6.3v caps. The computer just froze one day, I rebooted it and post would show 00 with fans running and lights on. It would just halt...no video...no nothing....

I replaced the WX line with Nippon-ChemiCon NCC KZJ which are about 5 models superior to the WX line. The are still electrolitic. Those KZJs are extremely rare. You will have a better chance finding cheap panasonics, sanyos or even nichicons.

Now, if you want extreme quality and stability.....get solid state sanyos, panasonics, or chemicons....

I give up when I found a KZJ......solid state capacitors with the proper capacitance, size and voltage are impossible to find...

Posted on Jun 14, 2008

As I mentioned before I did not touch the inside of the computer for a good 4 months. Then the computer went dead. I switched the power supply and the situation havent changed. I bought on ebay the same motherboard and replaced the old one and it works. The motherboard was bad. I wonder if it is possible to fix the motherboard too.

Posted on Feb 28, 2007

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1st thing would be to have tried the power supply which you have, can you tell me if any fans come on when you try to switch it on, and if you have changed any jumpers or disconnected anything before this happened.. John

Posted on Feb 28, 2007

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