strangest problem i've had

T

THRESHIN

2[H]4U
Joined
Sep 29, 2002
Messages
3,935
so i'm trying to set up a computer for my tenant here out of spare parts. i'm completely stumped here. got an entire computer here, thought the mobo was dead. turned out to be a short to do with the case. fixed that and even got it started. after that i turned it off so that i could get everything in a case and finish the job off.

so here's where it gets strange. after that it won't start up no matter what i do. i've swapped out EVERY part. mobo, cpu, ram, i've tried 3 psu's you name it i'm trying to start this outside the case.

now even stranger....one mobo when i plug the psu in the psu starts on its own. does it with all 3. second mobo does nothing. its getting power, but no good. both mobo's should be working fine i had them both going at one point.

so what gives?? i could see blowing one but two go in the same way? doesnt make sense.
 
It would help if you told use what were the specs of this system.

Did you try just jumping the two power pins on each mobo with a screw driver?
 
sure did. specs are a 350W PSU (brand new, using as a tester), P4 2.8Ghz, 256mb DDR 266 ram, an asus mobo (cant remember what one) which has onboard crap everything. leaving the HDD and dvd out of the equation for now.

i also have a compaq P4 mobo for testing, and two other celerons for testing. oh and 2 other PSU's. swapping any of this does nothing. tried 1 ram stick at a time to check that as well.
 
Danny Bui said:
It would help if you told use what were the specs of this system.
Click to expand...

I concur. Specs pls!

Did you double-check the jumper position on all the mobos? Did you check if you're missing a jumper in the mobo that won't turn on? And the one that starts on its own?
 
specs are above, shouldn't be any jumper issues. it was litterily one minute both were working and the next both were not. its worth a look though, i'll have to dig up a manual off the asus website.

btw using stock intel cooler. onboard video, land and sound for both boards. no add-in cards. keeping this as simple as possible until i can get POST
 
is it plugged directly into the wall? Maybe its a bad wall receptacle or power bar/ extension cord?
 
yup right into wall and i've tried other plugs too. my main rig is on the same outlet
 
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