system won't power on

linuxwannabe

Platinum Member
May 22, 2001
2,802
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I've swapped my P3V4X for a P4S533 and when I hit the power button nothing happens. I have a PP303XP power supply. Would that be the problem? And, I've plugged the 20-pin connector and the little square 4-pin connector to the board. Is that other AUX12V connector to be left off? Isn't it for PSU's that don't have the square 4-pin plug? How should start to diagnose my problem? Thanks.
 

LiLithTecH

Diamond Member
Jul 28, 2002
3,105
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Does anything power up? PSU Fan? Lights?

The 20 pin and the square 4 pin connector are used.
The other 4 pin (ASUS EZ-Plug +12v) is not if you have a
ATX 12V PSU (which it seems you do).

Start from scratch. Just plug-in the CPU and Ram (reseating if neccesary)
Then Power-on and listen for the POST codes (beep).
 

xSauronx

Lifer
Jul 14, 2000
19,582
4
81
maybe you accidentally plugged the power cable from the case to the mobo in wrong...ive done it before multiple times...not that id admit it in person or anything

I am in message post mode.
 

optimistic

Diamond Member
Apr 29, 2001
3,006
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Power up with just motherboard, cpu, heatsink, ram, vid card, hard drive, and one cdrom. See if that works.

If not. Power up outside the case using only motherboard, cpu, heatsink, psu. See if that works.

If it works put everything back carefully, one by one. It it doesn't you have a bad psu, or motherboard
 

linuxwannabe

Platinum Member
May 22, 2001
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I removed all the connections to the board. I reseated the CPU/HSF. I reseated the memory module. Checked all jumpers and reconnected the case connections. Plugged her up and boom. Everything is running. Unplugged the power and added the drives and everything is good to go. On the first go around, I was probably in a hurry and didn't get something right. :eek:

Thanks for all the help.
 

optimistic

Diamond Member
Apr 29, 2001
3,006
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Originally posted by: linuxwannabe
I removed all the connections to the board. I reseated the CPU/HSF. I reseated the memory module. Checked all jumpers and reconnected the case connections. Plugged her up and boom. Everything is running. Unplugged the power and added the drives and everything is good to go. On the first go around, I was probably in a hurry and didn't get something right. :eek:

Thanks for all the help.

It happens to all of us:)!