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Thread: GA-P35-DS3L - Strange thing happened.




  1. #1
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    Default GA-P35-DS3L - Strange thing happened.

    May be some of you can help me figure out what happened to my board.

    Board: GA-P35-DS3L
    CPU: QX9650
    Memory: 2G Crucial Ballistic
    Video: EVGA 8800GT with 512Mb
    Case: Antec P183 Mid tower
    Power supply: Ultra 800W

    I have this system running since last May. My HD started go bad on my with bad sectors. So I decided to replace a new HD(IDE). I replaced the HD and see that dusts build up in the case, I cleaned the case filter then took a shopvac to suck up the dusts in the case. I then close the case and plug the power cord back. No power. I know the board was able to power on before I swapped the HD and cleaning but I was very careful not touch any wires or bum into any componets.

    So I checked the PS. I short the Power good pin the the power connector and I can see the fan on Power supply is spinning, which I don't see when plug into board.

    I took the board out and connect the PS to the board, No power. While PS is still connecting to board connector, I shorted the Power_Good pin again and measured on board that indead it is shorted, turn on the PS, nothing.

    Anyone has any idea what had happened? By the way, I bought a new EP-45-UD3P board already.

  2. #2
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    Default Re: GA-P35-DS3L - Strange thing happened.

    Were you aware that using a vacuum cleaner on PC innards can cause static that can kill the components? Whooshing air + particles of dust (some are synthetic fibres no doubt) + plastic piping can all lead to static discharge. I know it sounds strange, but I promise you it's true. Always use a blow line/compressed air to clean a PC out. If you have so much dust that you do need to use a vacuum, hold the vacuum pipe outside the case and blow any dust into the pipe again using compressed air.

    If you used a brush attachment and made direct contact with components or the board, then this is almost certainly the problem if other troubleshooting methods fail.

    It is possible that although the PSU starts when you short the correct wires, there may still b a fault. I'd still test with another PSU if possible. Definitely do this before you use your new board or you may end up with that one dieing on you too.
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  3. #3
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    Default Re: GA-P35-DS3L - Strange thing happened.

    Thanks Psycho101. That's what I thought too. I just what to hear it from someone else. I guess I am going to leave the dusts along for the new board. I don't want to blow dusts around since my computer is in the family room.

  4. #4
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    Default Re: GA-P35-DS3L - Strange thing happened.

    Aha.

    While you have the case empty, what I use to help with dust is clean the inside with spray on (aerosol) furniature polish. It contains a light non greasy wax that makes blowing away dust really easy. With the insides waxed you can blow the dist away using a straw. Cover the end of the straw with some coffee filter so you don't get any saliva on the components and you're good to go. :thumbsup.

    Sealing any cracks or joins in the case using electrical tape on the inside seams helps too. place the tape on the edges with the covers off and as you slide them back on, the tape should seal the gaps from the inside and you won't see it. Even things like holes for the LED's can bring in a lot of dust. because of the front fan(s) any hole in the front acts like a dust vacuum.

    If you need any help setting up your UD3P, you know where to come. It's a great board, should get you to 3.8GHz-4.0GHz. Good luck.
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  5. #5
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    Default Re: GA-P35-DS3L - Strange thing happened.

    Three of our computers are in the family room and they all get a blow job once a month or so. It really isn't that tough to pick up the computer and take it outside to blow the dust out with a can of compressed air once in awhile. If you are worried about reconnecting the wires correctly then label them or make a map of the positions and tape it to the case somewhere.
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  6. #6
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    Default Re: GA-P35-DS3L - Strange thing happened.

    Just go down to your local hardware store and get a crappy cheap $30 electric compressor and airhose set up. Then you can take it out the back once a month or whatever and blow it out. Just make sure you regularly drain the water from the tank. Or just drop like $10 bucks on a can of compressed air from your local electronic shop.
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  7. #7
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    Default Re: GA-P35-DS3L - Strange thing happened.

    they sell compressed air in a can its cheap, the cans that are used for air horns but without the horn just a nozzle to direct the air
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  8. #8
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    Default Re: GA-P35-DS3L - Strange thing happened.

    So have you tested this board yet out of the case and off the tray? I would try that before you toss it in the corner to make way for your new board.

  9. #9
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    Default Re: GA-P35-DS3L - Strange thing happened.

    Yep, he's already trouble shooted and set up the board outside of the case.

    I took the board out and connect the PS to the board, No power. While PS is still connecting to board connector, I shorted the Power_Good pin again and measured on board that indead it is shorted, turn on the PS, nothing.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
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  10. #10
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    Default Re: GA-P35-DS3L - Strange thing happened.

    Yeah. I tested it out of case with only CPU + 2 sticks of DDR2, then just CPU. All no response to power. I believe this is case close. I am ready to build my EP45-UD3P tomorrow. I do have a question on the new build for memory but I will start a new thread. Thanks guys.

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