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[SOLVED!] new computer wont bleep, display or anything,just whirrs!?!

Discussion in 'Hardware' started by theedge, Feb 13, 2002.

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  1. theedge

    theedge Thread Starter

    Joined:
    Feb 12, 2002
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    I'm new to this game but having pulled my daughters old PC apart I thought Id put the new one together,save some money and all that.
    easy enough til I switched it on. nuthing! oh hang on the cpu fan runs and the harddrive hunts, sometimes the cd-rom looks as well, not always.

    wot did I use?

    MS-6378 MOBO WITH INTEGRATED GRAPHICS/SOUND
    DURON 900
    128SDRAM
    RECOMMENDED H/SINK'N'FAN
    2nd hand H/D.......it works ok in this machine I on so thats ok.


    monitor has its own power supply so thats not in the way.

    got any clues cos Im lost the mobo isn't shorting on anything so......HELP!!!!!!! pls!!
     
  2. brianF

    brianF

    Joined:
    Dec 2, 1999
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    12,041
    Any beep error messages.

    Did you configure the jumpers on the motherboard for the correct settings for the processor.

    Disconnect everything except the cpu, one stick of memory, vide card, and floppy, put a startup disk in, will it boot.

    Reseat the cpu, memory, and video card, will it boot.
     
  3. theedge

    theedge Thread Starter

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    soory, forgot to say no post bleeps.
    have just changed the jumpers from100hz to 133hz, didnt make any difference.

    I dont have any sound card or graphics cards at the moment, am using the ones on the MB, jumpers r sent to these.

    have stripped and refitted components till Im bored of it. funny tho, the CD ROM only hunts when not connected to the MB
     
  4. brianF

    brianF

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    12,041
    double check that the cable for the cdrom or floppy isn't connected backwards.

    red stripe goes to pin1 on the motherboard and the drive.

    front side bus should be set at 100, multiplier to 9
     
  5. theedge

    theedge Thread Starter

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    well Brian,

    have just tried with only cpu, 1 stick memory and the floppy and it didnt even look at the floppy drive.

    Its got to b something simple Ive missed surely!!:confused:
     
  6. theedge

    theedge Thread Starter

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    Feb 12, 2002
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    ok, thanx Brian,

    have set fsb back to 100, now I get confused. multiplier? wot,where,when?:confused:
     
  7. theedge

    theedge Thread Starter

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    bit more on that last message,

    I cant find it in the MB manual either
     
  8. theedge

    theedge Thread Starter

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    Feb 12, 2002
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    look out! have just found the following paragraph:-

    the mainboard can automatically set the CPU Host Bus Frequency Clock


    it then gives an example of

    CPU Clock = 100mz
    Core/bus ratio=7

    then 100mzX7 = 700mz


    I figure this means it will do that bit on its own as a 100mz X 9 type of thing


    have checked all cables (again) all seem fine.


    getting frustrated now!!!
     
  9. ~Candy~

    ~Candy~ Retired Administrator

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    Try unplugging the floppy drive as well.....and the keyboard and mouse if you've got them connected......something should beep :(
     
  10. theedge

    theedge Thread Starter

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    HMMMMMM!

    nope, that didnt work either candy.

    all thats connected is the monitor, one stick mem, one cpu, one heatsink,one fan.

    nothing

    is something dead do u think?:( :confused: :mad:
     
  11. ~Candy~

    ~Candy~ Retired Administrator

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    :( Well, I'm assuming the power supply comes on, right? You've checked its connector to the motherboard?

    If so, it's probably the cpu or the motherboard :(

    Just for fun, you might try disconnecting the monitor.....
     
  12. theedge

    theedge Thread Starter

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    Left with nothing else to try, I unplur the monitor from the back.......................nope.

    just as well I kept the boxes they came in I get the feeling that Ill be sending them back through the post soon!!!

    thanx for your help so far.
     
  13. ~Candy~

    ~Candy~ Retired Administrator

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    If you've got another power supply to try......other than that it sounds as if you've got either a bad board or cpu.....my bet is on the board.
     
  14. Archangele

    Archangele

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    Feb 13, 2002
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    Do you know how to use a volt meter? You can first check to see if you have all the voltages going from the main power supply power cable to the motherboard. I'm assuming this is an ATX and uses a single plug for power.
    Since you say your CPU fans work, I'm betting the power supply is good,. Did you connect your PC speaker to the motherboard? Many forget to do this and eventhough the motherboard is 'beeping' they never hear it since the motherboard has no onboard speaker and the external one mounted in the case is not connected. This is something a lot of people overlook when testing a new machine.
    Ok, you say the hard drive spools up and you get some activity from the CD drive? This is a good sign.
    Turn your monitor on, let it sit for about 1 minute then turn the computer on. See if anything displays on the monitor. Normally the computer will display a memory test and a few other things before hanging up and going blank. If not, you want to investigate the video card first. Then the CPU and finally the mother board it's self. Even with no ram installed, the unit will at least flash some cryptic message to the effect of "Memory failure etc" on the display. But first make sure you have a speaker connected to that speaker jack on the motherboard. Most newer boards have no onboard sound devices. Obviously if you get a pattern of beeps indicating some failure, invesigate that first.
    Also, I hope you have the motherboard's original manual. That will be invaluable in trobleshooting the beep codes as well as verifying proper jumper settings.
     
  15. ETS

    ETS

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    I concur with the above suggestions. If you have a spare video card, try that first and of course it will help if your speaker is hooked up as well.
     
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