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PC first build problem...

Discussion in 'Hardware' started by donpisci, Jun 30, 2007.

  1. donpisci

    donpisci Bit Poster

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    Right then, I'll start by telling you what my system is;

    Mobo: Asus M2N-MX
    Processor: AMD Athlon 64 X2 4600+
    RAM: Corsair Value S. PC5300 DDR2 2048MB
    HDD: Western Digital Caviar SE16 400GB
    PSU: Sumvision 500W 20+4pin SATA 2x 80mm Fan PSU
    O/Dive: NEC Optiarc AD-5170A-0S 18xDVD±RW DL x2

    I have put everything together and the mobo has power, the CPU has power, the optical drives have power and so does the HDD, but when I connect the monitor, there is nothing but a blank screen. When I switch the power off on the PC, the monitor flashes white and then goes back to its blank screen.
    The light on the monitor stays orange aswell, but when the screen flashes, it turns green. I've tried an alternate monitor which I know is working but the same thing happens.

    As anyone got any ideas as to what could be the cause of this?

    Thanks in advance!
     
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  2. Lee

    Lee Nibble Poster

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    What graphics card do you have in it?
     
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  3. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    I take it that there is no 'beep' on boot either?

    If so then the processor isn't starting at all.

    First thing to do is disconect all drives from the motherboard and try again. This will eliminiate the possibility of the drives hanging the system.

    If it *still* doesn't boot then you may have to contact the place you bought the hardware from.

    Harry.
     
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  4. donpisci

    donpisci Bit Poster

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    It says in the manual that there is an integrated GPU in the NVIDIA GeForce 6100 if that helps?
     
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  5. Mike_W

    Mike_W Bit Poster

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    Have you tried starting with 'bare board', just power, cpu, and memory, not having front panel stuff attached ie usb & audio headers. any post beeps? or error beeps if memory removed?
     
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  6. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    You say 20+4 for the PSU. It should be 24+4. Is it? There is a separate 4 pin socket that must be used.

    Harry.
     
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  7. donpisci

    donpisci Bit Poster

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    Nope- there is no beeping at all. Just tried without any drives attached as well but the same problem occured.

    The only error beeps are when the RAM is removed.

    It it a 24+4 PSU.

    I've just tried reseating the CPU and checked all of the connections.
    Very confused!
     
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  8. Arroryn
    Honorary Member

    Arroryn we're all dooooooomed

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    Do you have a different PC that is known working to test the monitor on? Just to make sure it's not a dud.

    The other alternative is to check all your capacitors on the mobo, and make sure one hasn't blown. I'm not sure on general motherboards, but when I fire a Dell up and it gets power but doesn't progress through boot, it's because the mobo is frying.
     
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  9. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    Ah! So the processor *is* starting, but something is causing it to hang before it configures the graphics system.

    I'd try different memory in this case.

    Harry.
     
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  10. Arroryn
    Honorary Member

    Arroryn we're all dooooooomed

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    Harry just pipped me to the post :)

    Just downloaded their QVL (qualified vendor list) and at a glance I can't see your make of RAM.

    That might be your problem. Speak to your supplier, and see if you can exchange for RAM on the QVL list, for safety's sake.
     
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  11. donpisci

    donpisci Bit Poster

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    Yes I've tried it on another computer and it works fine, and the resistors look in good shape. Thanks though.

    Different memory I can handle! I'm going to try it with just one stick of RAM to see if there is a defective stick. Thanks for your help!
     
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  12. donpisci

    donpisci Bit Poster

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    That'll be annoying if that's the case because I bought it as a 'bundle'!
     
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  13. Mike_W

    Mike_W Bit Poster

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    Silly question, but can be overlooked, are both power connectors fitted to the board, the 24 pin and the 4pin auxilary next to the zif socket, as leaving the 4 pin of can result in cpu fan spinning but no post
     
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  14. Theprof

    Theprof Petabyte Poster Forum Leader

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    I know that some motherboards have the bios battery already in the motherboard. Try removing the batter for a few mints and put it back in. See if that makes any difference.

    I know you havent made any changes to the bios or anything in that direction but give it a try anyways.
     
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  15. donpisci

    donpisci Bit Poster

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    Ok then, I tested one stick of RAM, it worked. Woohoo! I thought I'd best test the other stick, and guess what.....that worked too. I was very confused!

    I decided I would put them back in together, but in different slots, A1 and A2 (in the manual it said you should use A1 and B1), like I originally thought I should, and hey presto, the damn thing works!

    Thanks everyone for all of your time and help. I think it's fair to say that if I hadn't posted on here on got some replies, the computer would have been out of the window!!
     
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  16. Arroryn
    Honorary Member

    Arroryn we're all dooooooomed

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    Glad you got it working :)

    Now go and enjoy some quality time with your PC!
     
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  17. wizard

    wizard Petabyte Poster

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    That sounds dubious :eek:
     
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  18. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    This means that they are not a matched pair. Up to you what you want to do about it.

    Harry.
     
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  19. Theprof

    Theprof Petabyte Poster Forum Leader

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    Thats interesting to know. I've built quite a number of pc and never had this problem. Usually I put them memory either in dual channel or just into one bank.
     
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  20. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    Depends on how far out the match is, and the capability of the motherboard to cope.

    Harry.
     
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