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New Motherboard (NOISY)

by Yirzm4 / May 2, 2007 1:30 AM PDT

Hi! everyone, i would like some help with a new motherboard.
Specs its a FOXCONN P4M8907MB-2.0-RS2H, VIA P4M890+VT823ZA,
SOCKET 775, FSB 1066/800/533MHz, PCIex 16, DDR2 533/400.
The ATX power connector is 24 pin how many voltage would this board need?
Well the problem is this i "connected everthing, when i power it up there is this long long noise, the CPU fan runs but no display.
When i take out the ATX 12V power Connector the noise stops the CPU funs but no display, i tried changing the memory still no solution".
Any help i appreciate.

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(NT) What ATX 12V connector?
by Willy / May 2, 2007 3:50 AM PDT
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sounds like the noise is the power supply fan
by jconner / May 2, 2007 10:10 AM PDT

When you unplug the motherboard connector the power supply shuts down and no noise.

Past that you have another problem and you've eliminated memory as one of them. Now its P/S, connections, cpu, other devices. To debug, start with the minimum.

Motherboard, powersupply (possibly 2 connectors from P/S 20/24 pin and maybe a 4 pin), cpu/heatsink and working cpu fan and memory listen for beeps or look for lights flashing (depends on your motherboard) and that will tell ou if the basics are working.

if yes, then add video card, keyboard and monitor and see if it gets into post.

Keep adding until something fails. If something fails replace it and start the process from there until all works.

With the basics it could be bad P/S, bad Motherboard, bad memory (could be just one stick), bad cpu or combo of several.

There are threads under hardware that will give more detailed debugging ideas.

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