Question about ASUS P5NSLI (0610839134670) Motherboard

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No Display on boot up

I just bought a new chip, MB, RAM, and video card. I've put it all together, but when I start it up my monitor gives me a "No Display" message. I've got: Asus P5NSLI MB Intel Core 2 Duo E6550 chip 2 GB Corsair DDR2 RAM PNY GeForce 8500GT VC Antec 480wt PWR When it boots, all of the fans and lights are running normally, and it sounds fine except every few seconds I hear what sounds like a soft high pitched reset, but nothing visibly occurs when that sound is made. I've checked the RAM connectons (making sure to keep them in the right channels), the chip and card connections (soundcard, wireless card), the HDD and CD connections and power, MB power, and the orientation of all the minor cabling (switch, lights, fans, USB), so I can't find what I'm doing wrong. It appears like it ought to function properly, except that it's not feeding my monitor. Please help me out. Thanks.

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  • 3 more comments 
  • Khavanon Aug 30, 2007

    I'm sorry, the keyboard lights don't light up as well.

  • Khavanon Aug 30, 2007

    I'm noticing other things. The PC doesn't beep when I turn it on. When I take the RAM out, it still doesn't beep, so is my problem related to the MB or chip?

  • Khavanon Aug 30, 2007

    I couldn't look at the BIOS to check the FSB settings.

    The power supply was working well on my last set of parts. I don't have a bigger one handy at the moment, but I could ask around. I used Extreme Power Supply Calculator to sum up my power output, and it says I use about 344w, way under my available 480w. I don't overclock, but I couldn't do it right now if I wanted to.

    My graphics card doesn't need a power plug.

    I re-seated the CPU, but nothing changed.

    I'm thinking more and more that it's my MB, but I want to look at everything before I ship it back.

  • Khavanon Aug 30, 2007

    Okay, I borrowed a 600w power supply and plugged it all in, but it was still the same. Then I unplugged all the power except the two in the MB and still no change.

    Is there any way that I can tell the difference if the error is in either the MB or the chip, or is that going to be a matter of exchanging them first?

  • Khavanon Aug 30, 2007

    Brilliant! It's the chip. I have a very gracious sister who's let me borrow her parts. She just happens to have a very similar MB (Asus P5ND2-SLI) and chip, and when I swapped the chip the whole thing lit right up. That's good to know, because I would have just sent the MB right back first.

    There's nothing visibly wrong with it. I'll try to plug it back in one more time, but if it doesn't work then I know what to do from here. Thanks a lot.



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When a motherboard does not beep that isnt good news and its either the Motherboard or CPU. Have you fot the FSB settings correct on the board? Is your power Supply Good? Does your graphics card need power and is it plugged in? Unfortunately the only way to findout exactly is at fault is through a process of elimination. Can you try a different power supply first? Also try removing the CPU and re-seating it. If not, then you need to try and get hold of another motherboard and see if everything works in that. If not then it could be the CPU. Diagnosing CPU or MOTHERBOARD is always tricky without spares. Good luck

Posted on Aug 30, 2007

  • 1 more comment 
  • Austin Walters
    Austin Walters Aug 30, 2007

    If possible I would deffinately try a replacement power supply before sending the board back. I have know power supplies to not quite output what they say. A dodgy power supply can really throw us off track in pinpointing the problem.

    I thought there may have been manual FSB jumpers on the motherboard. But I have just looked at a picture on the ASUS website and there arent any.

    My advice - Try if you can to borrow another powersupply. If that dont work Id say its the motherboard.

  • Austin Walters
    Austin Walters Aug 30, 2007

    This is the problem now, we can only findout if the motherboard or CPU is faulty by changing one of them !!!!

    Do you have a spare CPU same socket type, doesnt have to be same speed.

    If not; im affraid we wont be able to findout which one is at fault :(


  • Austin Walters
    Austin Walters Aug 30, 2007

    Phhew Glad we got to the bottom and thanks for letting me know.

    Good luck



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