Motherboard Problems

[triplej]

New MoBo and CPU, ATX form factor unable to power on. No fan,beep or anything. Just the red LED indicator on the PCI bus located next to the PCI sockets. I checked the PSU with a ATX tester and it checked out OK.
If the MoBo connection is removed and the ATX tester is installed the HSF/HDD/PSU fan power on. I run the above test with the MoBo on a plastic slab to check for shorts. Do the LED's power/hdd/reset ets have to connected in order for the sys to power on or even get the beep codes. This type of PSU has the on/off switch located on the back of the power supply.

Thanks for any help
triplej

[mjc]

Do you have the speaker connected?

Also check to see if there is a piece of plastic over the battery, or the CMOS clear jumper is in the clear position.

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mjc
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Celts are the men that heaven made mad, For all their battles are merry and their songs are all sad.

[evalroy]

It is important to properly orient the switch connections, speaker, LED connections, etc. Sometimes these can be a bit confusing depending upon the mobo and the installation guide. If all connections are made and the power source tests ok, I would suspect a short. I have had several experiences where a slightly out of align screw or spacer have shorted and kept the system from booting.

ER http://www.PCGuide.com/ubb/wink.gif

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I think, therefore I am -What the hell was I thinking?

[Daves4Yah]

Sounds like you have the "power switch" connector reversed with the "power led" connector. Like the others said, check and recheck your connections. I know it can be confusing, hang in there. You do not have to have all the wires connected to boot the system. If you want to hear the beep codes, all you have to have connected it the speaker wire in the right possition. Nothing else has to be connected, but you will have to use a screwdriver to jump, or touch, the two pins where your power switch should be connected. This will start up the system. Be very carefull when doing this. I don't recommend it. I do it quite a bit , but then I like to live on the edge. Anyway, let us know how it goes. And remember, complete stangers are only people who you haven't introduced yourself to. Then they are merely stangers.

Dave