Computer Won't Run

edited April 2007 in Hardware
I just built a new machine and plugged it in and - nothing.
As long as it's plugged up it ought to make some kind of noise
shouldn't it?

It reminds me of the time Kaos told me to take the ram out of my
Microtel and read what it said on it. I did and found out what
kind I needed but it wouldn't do anything after I put the ram back.
I found out I had hit the PSU switch and cut off the power.

It's just like that, nothing, not even a sound. It's got one of
those switches but I've tried it in both positions to no avail.
It's just like it's not plugged up.

I suspect the new PSU but wonder if it could be something else.
Any opinions?

Thump
«1

Comments

  • Have you tried the "short the green to a black cable" trick with the PSU to systemboard trick?

    -Q
  • Q wrote:
    Have you tried the "short the green to a black cable" trick with the PSU to systemboard trick?

    -Q
    No, I didn't know anything about it, does it work? What
    happens, do you get a spark or something? I almost bought a
    PSU tester for $30 a while back but figured I wouldn't need it
    anymore and didn't.

    I've got a friend who's taken some pinball machines to an
    auction right now who said he'd help me Tuesday or Wednesday.
    I know a lot more than him about most things computer wise but
    he's built two or three. He had me work on his when his PSU
    died though cause he didn't know much about that.

    I've got away from it now for a day or so 'cause it's too
    stressful but I'm still thinking about it. It caused me to need
    some rest time.

    Thump
  • If you connect the green wire to any black one, the PSU should start up and run as if the machine were turned on. Cheap way of seeing of the thing is totally ruined.

    -Q
  • Thanks Q, I'll try that the first time I start back on it. That's
    real helpful.
    guzzle.gif
    Thump
  • Ahh, it's been a while since I've seen THAT icon!

    Anyway, have fun and I hope it works.

    -Q
  • Q wrote:
    Ahh, it's been a while since I've seen THAT icon!

    -Q
    I keep it handy but seldom use it anymore. Mostly I follow your
    advice and try not to post while I'm drinking.

    I plugged it in somewhere else and still nothing. It's hard to
    defend but I'm pretty sure I'd know if the power was there. The
    power is not getting inside to the PSU I think and it's probably
    a bad PSU switch. I've just about always been able to detect
    when power is present. I'll fool with it some more later, I'm not
    alone right now.

    Thump
  • I'm real busy but I've got to get back on the new computer
    work. Maybe tomorrow. Anyway it went to the PCChips site
    and checked the General Faqs and they had this for one that
    wouldn't boot or anything:
    1. Clear CMOS
    2. Change to another memory
    3. Change to another AGP card

    One of those looks like a good idea so I'll check the ram.
    I never used one of those 240 pin sticks before but I'm
    pretty sure I got it in the 0 slot.
    And I've put ram in before and it didn't work right off and I've
    had to reseat it. I'll try that again and then I'll swap the slot
    I have it in. If that doesn't work, I'll put in the 512 stick with
    184 pins and try that.

    I've been having Curly put in the ram for me for quite some
    time now but I wanted to build this one myself.

    <edit>Curly, who was my back up plan, had a heart attack and
    is in the hospital so I'm on my own I guess.
    </edit>

    Thump
  • Thump wrote:
    1. Clear CMOS
    2. Change to another memory
    3. Change to another AGP card

    Good advice, but you can generally tell if you need to change the video card. If you get the standard PC startup noises, you're probably OK and just have a bad video card.
    Thump wrote:
    <edit>Curly, who was my back up plan, had a heart attack and
    is in the hospital so I'm on my own I guess.
    </edit>

    Sorry to hear that.

    -Q
  • Q wrote:
    Thump wrote:
    1. Clear CMOS
    2. Change to another memory
    3. Change to another AGP card

    Good advice, but you can generally tell if you need to change the video card. If you get the standard PC startup noises, you're probably OK and just have a bad video card.

    -Q
    Yeah, that video stuff didn't apply. The question in the Faq that
    was answered was:
    "Q:
    My M/B could not power on or after power on there is no display. What shall I do?"

    It was just the closest one to what I was trying to find out.
    I really doubt the CMOS needs clearing but I suppose it would
    give me a dialogue or do something if that was all it was.

    Thump
  • Good advise but it didn't work. I reseated it three times and it
    does nothing. I took it out and put in a DDR stick and nothing.
    Oh well.

    I shouldn't even be trying this probably. I just told my wife that
    the new micro food processor was no good and she put it back
    together and fired it right up. You just had to really press hard
    on the button.

    Thump


    Thump
  • What's the systemboard's specifications? It may have strange memory requirements.

    -Q
  • The only thing I saw was that it said you can't use the DDR2
    and the DDR at the same time. It said it in a complicated
    way but I understand that is the usual and not a surprise.

    I just realized that I didn't try to change the PSU switch when I
    was testing it and it's not marked and I have no idea how it's set
    at this time. My wife took the kitchen now so I'll have to wait.
    I'll do that when I can get back to it and if that don't work back
    to the PSU I suppose. It's just dead dead dead.

    I did find the front panel for USB and one audio plug, it was on
    the side of the machine and I just didn't find it until now. I
    plugged in the USB header but can't find the audio so far.

    The rear case fan's wires are too short and I need to have some
    wire spliced into the middle of it but I don't know when Curly
    will be able to do that for me.

    Thump
  • Sometimes its the simplest of things that fixes issues. After I put in two 512MB sticks of RAM in this laptop, Vista kept blue screening, I took both out, swapped the slots they were in, and the problem was mysteriously fixed.
  • That's because the other stick probably isn't being USED therefor your problem isn't really fixed at all.
  • Whack it with memtest86 or WVI's "Memory diagnostics Tool".

    -Q
  • edited April 2007
    OK, I'm starting back to work on it and I'm determined to come on
    WinBoards and build a computer. I'm beginning to wonder if it's
    this one though.
    I hooked it up again and tried it to no avail, switched the power
    supply button to the other position and nothing. I'm going to
    open it up and clear the CMOS the first thing.
    Curly has spliced the rear case fan wires for me to make them
    long enough and it's hooked up. I have everythng but a hard
    drive and this thing should boot to a live CD and run, it just
    doesn't.

    Picture of the computer:
    bb11.jpg

    Open showing the inside (Not well)
    bb12.jpg

    And here's one of the two sets of wire from the case that I
    haven't found anywhere to plug up. Not a good closeup but
    it shows them held by a clothspin:
    bb13.jpg

    Thump
  • First off, what model of hardware are we dealing with?
    Make model of mobo? RAM / CPU etc...

    The first thing I do when I am working on a non booter, is disconnect everythig that doesn't NEED to be there.

    Unplug every floppy and IDE cable from the mobo, remove ALL LED wires and even the wires for the case front power switch.

    You should have the motherbooard WITH ONLY the following installed.
    CPU/Heatsink/fan
    One single piece (stick) of RAM
    Video card if not onboard video
    The actually power supply cables attached to the mobo - both the ATX and supplementary 4 pin for P4 and above.

    Don't have the power hooked up to any drives or floppies.

    now since you manually unhooked the front case power switch, I usually just short across the power switch headers on the motherboard with a screw driver and see if the unit turns on or the LEDS on the motherboard glow or a CPU fan fan spins. This switch only needs a moment of contact to turn ona PC and if it starts just pull the driver away. You reshort the same jumper to stop the computer. If you don;t like the screwdriver method you can just use a spare jumper as I do....

    Doing this step eliminates a lot of potential fault areas. By getting to the minimum required to boot, you can often though not always eliminate points of failure.

    If this post lacks clarity anywhere, please feel free to ask for more definitive descriptions.
  • Btw, those wires are USB header wires from the look of it, they let you plug USB devices into the front of the computer once they are hooked to the system board.

    Edit : Then again the picture is blurry, those could be your front panel wires for LEDS and power
  • I was going to say have you made sure the power button is connected to the board and if it is are you sure it's in the right way.
  • Is it just me, or is the second photo upside down?
  • I'd say more to the side.
  • PCChips P23G v3.0 Socket 775
    One stick of DDR2 1024 MB

    Uh, I've already plugged up the front USB wires and they looked
    something like this:
    :::::
    One of these wires looks like it has ....
    and the one with a black wire and a white wire only look like..

    Trying to follow the motherboard manufacturer's instructions but
    there no lever beside the CMOS battery and there's no clip on top
    and I can't get it out.

    I'm studying what you said and trying to provide the info as I
    can find it.

    Thump
  • OK That's fine, don;t worry about the CMOS clearing, not turning on at all is not a CMOS problem typically
  • OK, I haven't figured out how to clear the CMOS so I'm
    going to start what you said.

    First off, what model of hardware are we dealing with?
    Make model of mobo? RAM / CPU etc...
    Thump:
    1. Power Up Black 302 ATX Mid-Tower Case with Fron USB and Audio Ports - $29.99-$20 rebate=$9.99
    2. PCChips P23G v3.0 Via Socket 775 MicroATX Motherboard - $49.99-$10=$39.99
    3. Intel Celeron D 356 3.33GHz OEM Processor - $59.99-$20=$39.99
    4. Intel Socket 775 Cooling Fan - Price unknown
    5. Power Up 450-Watt Power Supply - $19.99
    And I have in a Centron 1024 MB stick of DDR2 in at this time
    but I've tried a 512 stick of DDR as well.
    /Thump

    The first thing I do when I am working on a non booter, is disconnect everythig that doesn't NEED to be there.

    Unplug every floppy and IDE cable from the mobo, remove ALL LED wires and even the wires for the case front power switch.

    You should have the motherbooard WITH ONLY the following installed.
    CPU/Heatsink/fan
    One single piece (stick) of RAM
    Video card if not onboard video
    The actually power supply cables attached to the mobo - both the ATX and supplementary 4 pin for P4 and above.

    Don't have the power hooked up to any drives or floppies
    Thump: Done /Thump.

    now since you manually unhooked the front case power switch, I usually just short across the power switch headers on the motherboard with a screw driver and see if the unit turns on or the LEDS on the motherboard glow or a CPU fan fan spins. This switch only needs a moment of contact to turn ona PC and if it starts just pull the driver away. You reshort the same jumper to stop the computer. If you don;t like the screwdriver method you can just use a spare jumper as I do....
    Thump:
    I started crossing the pins with a screwdriver and the PSU fan
    came on. The power supply isn't plumb dead anyway. Couldn't
    get the fan to stop by crossing the pins again so I cut the
    power, I'm not sure which ones I crossed to start with.
    /Thump

    Doing this step eliminates a lot of potential fault areas. By getting to the minimum required to boot, you can often though not always eliminate points of failure.

    If this post lacks clarity anywhere, please feel free to ask for more definitive descriptions.
    Thump: I think I got it /Thump
    alexzarach wrote:
    Is it just me, or is the second photo upside down?
    It's lying on it's side and I'm up on a ladder. I didn't turn it any
    special way to take the picture.

    I can't work much longer today, it's time for me to prepare
    Dinner.

    Thump
  • OK, I couldn't have had the power front connectors hooked up
    right I don't think.
    The pins on the mobo header look like
    ::::.
    And the connector looks like
    ::::.
    looking straight in at it. So when you turn the connector over to
    plug it in instead of just staring into it, the blank is on the wrong
    side. I must have not noticed that the pattern was reversed and
    thought I'd had it plugged in properly.

    Gotta quit for today and put it up and put my wife's stuff back
    on the counter and wash the dishes. Maybe I'll get a earlier
    start tomorrow.

    Thump
  • Sounds like that was the problem.

    Now that you got it turned on we will have to clear the CMOS to get it to boot most likely. I downloaded the manual so I can describe this process better for you.

    I know you won;t be working on it till tomorrow, but I will likjely post the next steps tonight.
  • UglynGrey wrote:
    Sounds like that was the problem.

    Now that you got it turned on we will have to clear the CMOS to get it to boot most likely. I downloaded the manual so I can describe this process better for you.

    I know you won;t be working on it till tomorrow, but I will likjely post the next steps tonight.
    Uh, don't work too hard as I don't have it turned on and don't
    know how I'll resolve the connector problem. I doubt now that
    I'll have to clear the CMOS after I do something about that.
    Even though I've lost my workspace for now I'll certainly be
    thinking about it tonight myself. I might look at my new Antec
    case and see if the connector on it is the same. One of them
    is messed up, either the case or the mobo.

    I want to thank you for what you've done and I'm happy it's
    shown it's first sign of life now and I can feel a little more
    optimistic about it.

    Thump
  • I am glad it's showing signs of life, that tells me it will work if we get it connected properly.

    the connector problem is easily resolved.... truly

    In this photos of the connector setup from the manual

    frontpanelconnectors.jpg

    You can clearly see where each of the front panel connectors is located. You mentioned your case has a specific connector that looks like this but because of the pictures being blurry I am not sure what wires are coming from the front of your case.

    The arrangment is as you have noted , namely

    2 4 6 8 10
    . . . .
    . . . . .
    1 3 5 7 9

    With 10 missing entirely as the key

    The one we are concerned with is the front panel power switch and it shorts across six and eight. Therefore shorting these two jumpers turns the PC on and shorting them once more turns the PC off. Typically the wires that come from the front of case are actually labelled, Usually (not always the power switch wires are grey/white or black/white.

    Question: did your case come with a piece of paper that has the pin outs on it that you can show us? Scan or photo?
    Question: Is there any labels on the black plastic connectors of the wires that come from the case front and if so what are they?

    Anyhow, if necessary, you can always pop the front off the case and see what two wires are going to the power switch. The front panel comes off the case either with four plastic retainers or four screws and you can gently set it back from the front of the computer without pulling it too far away from the rest of the case.


    When we get it so the power switch sworks we can get to the CMOS issue IF it needs the CMOS cleared to boot (and it may).

    Edit: I think that thing you have been connecting to the header on the motherboard is the front panel audio connection though I could be wrong, I can't get a manual off the web anywhere for your case and I can't see the wires in the piccy's so I am guessing a lot on this rig.
  • OK, the thing I was trying to plug up to the headers has two
    sheathed sets of wires of unknown quantity and color and it
    has a little tape thing on it that says USB. It doesn't fit so I
    guess we can just forget about it for now.

    On closer examination of the other wires I think I've found a
    winner. There is a little writing on the hard connectors and
    one says
    1. RESET SW and looks like : and has a white
    wire and a black wire or dark blue
    2. POWERLED . and has a green wire only
    3. POWERLED . and has a white wire only
    4. H.D.D. LED : with a red and a white wire

    The remaining wire is a white wire and a black wire twisted
    together and it says POWER SW and looks like :

    Looking Good ! I gotta stop and fix lunch.

    Thump
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