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Wannabe Geek

Topic # 68369 20-Sep-2010 15:46
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Hi All

I am new to building my own computer but bit the bullet and bought a new mother board complete with new cpu and ram.

Was very careful to put togther as per instructions but won't post and there is no power to my keyboard.  I have  gone out and bought a usb/ pc/2 adaptor as my keyboard was usb but that hasn't helped - how do I know if its just the keyboard (which worked until I replaced with new mobo etc)or have I configured the power to the board incorrectly - help - spent good money to try this and now am completely flumoxed and ready to pull my hair out!

PS there is a small chance the the board is not hooked up right as the instructions with the mobo were a little complicated for a newbie!

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Chief Trash Bandit
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  Reply # 382386 20-Sep-2010 18:11
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Most plugs from a PSU to the motherboard will only go on one way so long as you didnt have to force any plugs onto the board then you should be ok if you have the following connected :

24pin power (multi coloured cables)
4 pin 12v (black/yellow cable)

You havent mentioned a video card - if youre using a PCI-Express video card then check that it dosent require its own power connector from the PSU as well.

Usually you'll hear a beep from the motherboard when powering up or a series of beeps if it picks up something incorrect.

If youre not getting anything at all, then best thing to do is unplug everything and start again.

XPD / Gavin / DemiseNZ


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  Reply # 382387 20-Sep-2010 18:14
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Is your motherboard touching any stand-offs it is not screwed into? Leaving in 'spares' in will only short your PC, not provide extra stability.


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  Reply # 382398 20-Sep-2010 18:29
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Had a similar problem with an old PSU that didnt do enough grunt on the 5vsb line to run all the ports etc on the motherboard. My old one had jumpers to choose how the ports were powered, newer ones dont and just leave them all on all the time, and old power supplies only do a small wattage of standby power.


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