Computer won't turn on after cleaning

By Asheeva ยท 4 replies
Mar 16, 2017
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  1. Hey guys!
    I've got a very strange problem and already tried multiple solutions but nothing has helped so far. So my PC isn't really new I decided to clean it, every single thing in it. I've disassembled it to pieces and cleaned it with with simple dry paper. Except for the motherboard, I washed it with water since I read it won't do any harm. I removed everything from it and used only water for brief seconds and then let it air dry for a day. I rebuilt the computer, pushed the start button and... nothing happened. Not a single light on or brief turn of vents, nothing. After that I tried many things, screwdriver start up method, removed the motherboard from the case and tried to start it with only 1 RAM stick and even used different ones and I've tried with a different PSU. The result was always the same: nothing. However the motherboards led light is always green and the sound cards blue led is also glowing so there is power in the mb but it won't turn on. At this point I'm almost sure the motherboard is dead but still hoping you can figure something out. My config is:
    Motherboard: Asus P5E3 Deluxe
    RAM: 4 GB Kingmax DDR2
    CPU: Intel Core 2 Quad Q9400
    VGA: Nvidia Geforce GTX 480
    PSU: Corsair TX-750
    HDD: Western Digital Blue 1 TB
    Thanks for the reading, hope you can help me out.
  2. bazz2004

    bazz2004 TS Evangelist Posts: 1,585   +250

    I hope that you have the money to replace the computer. When you get the new one don't let water anywhere near it. An air can to carefully blow away dust is the easiest and safest option.
  3. Cycloid Torus

    Cycloid Torus Stone age computing. Posts: 3,000   +653

    Cleaning with dry paper? I'm sorry, but I've never done that as I would have a concern about static.

    I've never used water either.

    Honestly, most of my problems arise from not being attentive to what I am doing - or not following the manual.

    I've had 'no go' situations a couple of times...once I had the 24 pin connector not fully connected (there is kind of a latch thing) ... and another time the video card was loose at the bracket end (mainboard was too low).

    Not sure in your case (but it could be a missing or out of place stand-off, so it would be your case -- bad pun), I think I would do a bench top rebuild - no RAM and no video card - you should hear beep code for missing items.

    Another time, I had a bit of solder come free and lodge down in a slot - so check that under strong light.

    Other items? - loose fan connector, loose CPU.
    Matthew likes this.
  4. bazz2004

    bazz2004 TS Evangelist Posts: 1,585   +250

    I'd be really interested to know if this ever boots up again.
    Matthew likes this.
  5. entrycoupling

    entrycoupling TS Enthusiast Posts: 48

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