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building new PC. need help.


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#1
lpchris85

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i am building a new PC from parts bought online. all parts are plugged in and is getting power when switched on. however i am not getting any video display on my monitor. i am thinking there is a compatability problem between the card and the new mobo. the mobo is dual-pci express and I have tried both ports. the card i am using is an ATI radeon X800 pci-e. the model number for the mobo is GA-M57SLI-S4. any help would be greatly appreciated.
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#2
Titan8990

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I would suggest you reseat the CPU heatsink and reapply the thermal grease. This could be a number of things in PC but with a new build I would start with that. If your MOBO has intergrated graphics pull the graphics card until everything is working properly. If that doesn't work check the tree: http://www.fonerbooks.com/video.htm.

Edited by Titan8990, 04 June 2007 - 05:20 PM.

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#3
lpchris85

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i forgot to mention (and this probably is the issue). there are no beeps whatso ever when power is turned on. the power supply came supplied with a 6-pin power cable which could not be plugged in to the 4-pin ATX plug on the mobo. i might end up making a run to Frys to see if there is some sort of conversion cable from 6 to 4 pin.
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#4
james_8970

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Um, that 6pin cable is for your PCIe cards, not your motherboard. Look at little harder at all the cables that came with your PSU, it'll be there somewhere. You may have an 8pin that will separate into 2 different 4 pin cables(this is quite common), look for that if you can't find the single 4pin cable.
Without this cable nothing will boot.
James

Edited by james_8970, 04 June 2007 - 09:39 PM.

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#5
lpchris85

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I see! thanks for the quick reply about that 8 pin cable splitting into 4's. that helped alot. i have plugged in the psu now and im actually (believe it or not) having more troubles than in the beginning. now when i press the power button the machine will start and then about 5 seconds later will shut down. when the psu is not plugged into the ATX port it will stay on w/out powering down. this is a 700w psu, could it be that it is overpowering the mobo?
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#6
james_8970

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I suggest unplugging all your wires and then plugging them all back in, it sounds like something may be lose.
No you can't "overpower" your motherboard.
James
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#7
Titan8990

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Along with James' last suggestion I think you should follow through with my first post about reseating your heatsink.
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#8
lpchris85

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the problem has been resolved. the motherboard was DOA. thanks for the help.
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#9
Titan8990

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Ewww nothing worse than trying to build your first computer with a dead componant. Glad to hear your got it worked out though.
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