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Thread: Have I Killed My NF7-S - No POST, No beeps - Help!

  1. #1
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    • cocksy_boy's system
      • Motherboard:
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      • CPU:
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      • Memory:
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      • Graphics card(s):
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      • Corsair 650W ATX 120mm fan
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      • Operating System:
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    Unhappy Have I Killed My NF7-S - No POST, No beeps - Help!

    Hi All,

    After some deliberation, I decided to upgrade my system below and put it in an antec p180 case, put on a zalman northbridge cooler, and a si-97a heatsink. After changing everything over andputting it all into my shiny new case, I turned it on.....

    All the LED's came on, the fans started spinning, the DVD-ROMs started up and the hard disks span up, but alas there was no video, no POST screen, and no beep codes.

    After reseating everything (including memory which I didn't even take out during the changeover, cpu, graphics, hard disks, etc etc!), and trying to start it with the minimum of kit without a grafix card to see if it would beep, I can't get any joy out of it.

    Can anyone help - have I killed the CPU or the motherboard, or both??!!

    On another note - if I have killed it, is there any way to put my RAID set back together in another of the same motherboard, or on a different make/model, or have I lost it all for ever - god, I hope not!

    Any help is much appreciated!

    Anthony.

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    Hi there

    Did you make sure you did not run any static on coponents? I.E. Resting them on the carpet etc etc.

    Also, the NB cooler, did it have a fan connected before? This may cause the board not to boot as there is no longer a fan there.

    Maybe just connect something in the chipset fan header and then see if it boots.

    Also, what hardware did you change?

    Have you reseated your CPU cooler?

    Resetted CMOS?

  3. #3
    Senior Member sawyen's Avatar
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    sounds like a shortcircuit to me.. check the mobo case contacts.. see if any part of the metal case if getting to close to the mobo circuitry..
    Me want Ultrabook


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    Quote Originally Posted by sawyen
    sounds like a shortcircuit to me.. check the mobo case contacts.. see if any part of the metal case if getting to close to the mobo circuitry..
    yes me too....see ifthe mobo is sitting properly on the mounts. Make sure you have no short curcuits.

    not likely to have killed it.

    ALso....did you reseat the cpu properly? Heatsink etc?

    Quote Originally Posted by Advice Trinity by Knoxville
    "The second you aren't paying attention to the tool you're using, it will take your fingers from you. It does not know sympathy." |
    "If you don't gaffer it, it will gaffer you" | "Belt and braces"

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    • cocksy_boy's system
      • Motherboard:
      • GA-Z77X-UD5H
      • CPU:
      • Intel Core i5-3570K
      • Memory:
      • 2 X 4GB
      • Storage:
      • Crucial MX500 240GB
      • Graphics card(s):
      • inno 3D 8800GT 512Mb
      • PSU:
      • Corsair 650W ATX 120mm fan
      • Case:
      • Antec P180
      • Operating System:
      • Win 10 x64
      • Monitor(s):
      • BenQ G2420HDBL 24", AG Neveo F-419 19"
    cheers guys - will check the short circuit line in a bit. I have tried attaching the fan to the NB with no luck, and I ahven't actually changed any of the 'PC' hardware, just the case & heatsink & fan. Will investigate and let you guys know. Thanks again,

    Cocksy

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    I shorted out my mother board when i put it in a new case. I had the same symptoms that you are writing about.

    Did the case come with some plastic washes or card board ones. When mine shorted out i put them under the mother board and it worked so try that.

    I wouldn't have of thought that you would of killed you mb its harder then you think to do.

    Herb


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    Yeah, my old old motherboard survived bending, a stratch to the back with a knife and being put the in the freezer for 10mins!!!!

  8. #8
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    • cocksy_boy's system
      • Motherboard:
      • GA-Z77X-UD5H
      • CPU:
      • Intel Core i5-3570K
      • Memory:
      • 2 X 4GB
      • Storage:
      • Crucial MX500 240GB
      • Graphics card(s):
      • inno 3D 8800GT 512Mb
      • PSU:
      • Corsair 650W ATX 120mm fan
      • Case:
      • Antec P180
      • Operating System:
      • Win 10 x64
      • Monitor(s):
      • BenQ G2420HDBL 24", AG Neveo F-419 19"
    Hi Guys,

    Right - I have tried a few things,and its still no luck! Here's what I tried:

    I took the motherboard out of the case and put it on a piece of cardboard on my desk.
    Next, I plugged in only the RAM and the CPU (and heatsink) and Graphics card. When I tried to boot, still the same - fans & LEDs come on, but no post beep or image.

    So I tried without the graphics to see if I could get a POST beep on that - no luck.

    Then I reseated the CPU again, but this time I left off the heatsink just for ease - no POST, but after about a second of power on, I did get the two tone siren which for this motherbaord indicates that the CPU is overheating - so something is working inside (including the speaker), but I'm not sure what!

    I then tried it without a CPU to see if that would cause a POST beep code (as there a code for no CPU / misinserted CPU), but there were no beeps at all.

    Hmmm, not sure where to go from here - I think it may be the mobo, but not really sure without checking the CPU on a different board!

    Any more help, much appreciated!

    Anthony

  9. #9
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    • cocksy_boy's system
      • Motherboard:
      • GA-Z77X-UD5H
      • CPU:
      • Intel Core i5-3570K
      • Memory:
      • 2 X 4GB
      • Storage:
      • Crucial MX500 240GB
      • Graphics card(s):
      • inno 3D 8800GT 512Mb
      • PSU:
      • Corsair 650W ATX 120mm fan
      • Case:
      • Antec P180
      • Operating System:
      • Win 10 x64
      • Monitor(s):
      • BenQ G2420HDBL 24", AG Neveo F-419 19"
    Hi all, sorry to bring up this old thread, but just in case anyone was interested how it panned out, it turned out to be a fried processor. I got it checked out at a local shop, and have only just managed to get it all up an running now. bit of a pain in the arse, but at least its all go now! Cheers for all your help,

    Anthony

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    Quote Originally Posted by flcherb
    I wouldn't have of thought that you would of killed you mb its harder then you think to do.
    I killed a SOYO SY-5EA (i think thats the model) had a CYRIX 233mhz cpu.. it looked to be sticking up a little so i pressed it down... when it was ON!

    made a nice little "Booooooooooon" as it powered down... didnt come on after that

  11. #11
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    • amjedm's system
      • Motherboard:
      • Asus A8N-Sli Premium
      • CPU:
      • Athlon X2 4200 S939 + Scythe Ninja rev A
      • Memory:
      • 2GB Corsair DDR PC3200
      • Storage:
      • Samsung T 160GB Sata in Scythe Quiet Box
      • Graphics card(s):
      • Nvidia 6600 256MB + Cooling Mod
      • PSU:
      • Enermax Noisetaker 485 (fanless) - lower chamber P180 fan doing the PSU cooling
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      • Operating System:
      • XP Pro
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    Might as well post my recent horror story then

    Bought a Gigabyte S754 mobo, 3400 Clawhammer CPU and 512MB Twinmoss off Feck on these forums three weeks ago. After playing with the setup for a bit I decided I wanted a S939 setup.

    I tried to remove the Scythe Ninja backplate from the back of the motherboard by using a hairdryer to heat up the adhesive (as advised by Scythe). It wouldn't budge at all. In the process I think I fried something on the motherboard and it won't work. Same thing happens as in cocksy_boy's post 1.

    I was using a wrist strap attached to a psu to ground myself. I attached the crocodile clip to the back of the psu and managed to touch one of the heatsinks. Some of you may have guessed what happened next - loud bang and the flash of light.

    Fortunately Thank God I didn't get a shock.

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