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wtf is wrong with my motherboard? it turns on when i plug in the power cord
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jetyi83
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1. June 2005 @ 10:11 _ Link to this message    Send private message to this user   
its actually my friends computer.. but the motehr board is broken somehow. It will turn on whenever i plug in the power cord, but nothig actually works.

the power buttons do nothing. Its a custom build computer, that has never worked. I plugged in a video card and ram and all that, but the monitor was never turned on or had any display.

but the most odd part was the power.. it turns on without doing anything. where is the "standby" mode.

any ideas on how to fix or what is wrong.
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ddp
Moderator
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1. June 2005 @ 13:43 _ Link to this message    Send private message to this user   
clear the cmos chip using the jumper or removing the battery. possibility is a psu problem so if can try another power supply as ran into that problem & it was a bad capacitor in the psu. also check on the motherboard at the can shaped objects which are a type of capacitor that they are flat topped & not domed!
jetyi83
Member
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1. June 2005 @ 14:06 _ Link to this message    Send private message to this user   
thanks for the advice.. im a somewhat newb when it comes to motherboard hardware.. i reset the cmos chip by takin out the battery and jumper..

thats how you do it right?

i know its not the power supply because i put the motherboard into another computer and it did the same thing.

capacitors all look good on the board.. even if i take the battery and jumper off completely it does the same thing..

is there anything else i can try?
ddp
Moderator
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1. June 2005 @ 14:23 _ Link to this message    Send private message to this user   
check your manual to see what is the normal & clear positions of the cmos jumper as there is usually 3 pins, 1-2 is normal, 2-3 is clear or the reverse for both. disconnect all cards, cables & ram except for a good videocard, good stick of ram & power cable(s) to motherboard. is the cpu fan connector located in the right connection & not psu connection??
The_OGS
Senior Member
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1. June 2005 @ 20:14 _ Link to this message    Send private message to this user   
Often the mobo will 'power up' when the power cord is plugged in and the power switch turned on - the fans might twitch momentarily and the mobo LEDs could light up, but the case connection to the power switch is what will startup the POST sequence.
The problem may be in the case connections to the power switch and the reset button, you should check these very carefully with the mobo manual (or get it in PDF off the web if you don't have it).
Quote:
Its a custom build computer, that has never worked.
LoL, yeah that sounds custom :^)
If your PC won't POST it's simple, you need a CPU, RAM and video to POST and assuming you have a CPU and RAM, and get the mobo connected up appropriately, your first stop is BIOS setup.
If it will not power up, to display any video (press DEL for BIOS setup) then there is either a gross misconfiguration (mobo jumpers) or deceased components somewhere...
Hopefully you've gotta book - or you better get one, off the internet.
Regards

ABit AB9 Pro
Intel Core 2 Duo E6420 @ 2.4GHz
2GB OCZ PC2-6400 Platinum XTC R2
ATI Radeon X1900XT 512MB
Enermax Liberty 620W
320GB/16MB WD, 150GB/16MB Raptor
Plextor PX-755SA DVD (SATA)
jetyi83
Member
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1. June 2005 @ 20:48 _ Link to this message    Send private message to this user   
thanks, but the manual is so damn hard to find.. the azza website has shut down i believe, and i cant find anything for this p4x2-az motherboard.

if i could get into the bios then i would be able to figure it out from there, but that step seems pretty far away right now.

you described somewhat of what is happening, but not exactly. i plug it in and it switches on the fans etc.. it used to just switch on and never turn off. but now it hessitates and shuts off momentarily, and sometimes it will turn on and stay on,. and sometimes it will stay off. Either way the power buttons never work. I might be hooking the power up wrong but i really doubt it. Ive tried almost every possible way for the case connection. there is only 8 ways you can put it in.

when i swapped out mother boards everything worked fine.. so i know everything else other than this broken motherboard works fine.

the jumpers must be set wrong? the ram works fine, and same with the video card.. i pulled those out of my working computer.

would misplaced jumpers make this power on like that? its not really the twitched power like you described. Although that happens sometimes, more often it twiches then turns on without touching anything. Even when i unplug the case connection completely.

i know ill probobly bneed to just find a manual somewhere, but other than the jumper problem.. can you thik of anything else i could try?

thanks for the info.
The_OGS
Senior Member
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1. June 2005 @ 21:11 _ Link to this message    Send private message to this user   
Quoting Google:
"Did you mean: Azza p4x2-av?"
They have a p4x2-av (and a p4x2-ad) model, but no p4x2-az.
Search Google for Azza P4X2-AV and see what you can dig up,
Good luck,
L8R

ABit AB9 Pro
Intel Core 2 Duo E6420 @ 2.4GHz
2GB OCZ PC2-6400 Platinum XTC R2
ATI Radeon X1900XT 512MB
Enermax Liberty 620W
320GB/16MB WD, 150GB/16MB Raptor
Plextor PX-755SA DVD (SATA)
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jetyi83
Member
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1. June 2005 @ 21:20 _ Link to this message    Send private message to this user   
yeah it was the av.. sorry/


and yeah i looked around for about 15-20 minutes earlier.. there are dead links to the manual.. and the azza site is down.
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