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Comp not turning on!!!!

B

blamb425

Senior member
I have everything plugged in, but when i try to press the power button on the case, absolutely nothing happens. no fans, lights etc. at one point the LED lights on the case DID turn on, but the power didn't.

E6300
ASRock 4coredual-vsta
1gb g.skill ddr2 533 ram
FSP 400watt psu
 
You could start by checking the status lights on your mobo, and try turning it on a different way if possible because it could be just a bad switch on the case. I've had it happen.=
 
Maybe you turned the PSU's on/off switch off accidentally? Just a thought (it's happened to me 😀 ).

That's not likely the cause if you had a mobo light before, unless you did have the PSU on (before accidentally turning it off?) and there's enough residual 'juice' in one of the mobo's capacitors to keep the light on or something. Just thinking out loud here.

 
You might try unplugging the cord to the power supply and replugging it in. Sometimes this can make it fire up assuming everything is properly hooked up.

I swear, working on computers is half-voodoo sometimes, lol.

Good luck.
 
bump

UPDATE: i switched the powersupply and used my old dell one, and it still didn't work. i only have two power things hooked up to the mobo, the 4-pin thats in a square-like arrangement, and the 24-pin connector

at this point, i'm almost sure it's the mobo...currently, the only thing that will turn on is the power light on the case, on the power button, and that happens only occasionally

so is it the battery? the board itself?
 
i'll try that, edit after im done trying it


EDIT: attached the jumper to the connector on the motherboard, no joy.
 
Check the jumper for the BIOS battery. I have seen some boards have the jumper set to short and needed to move it to the normal position to get the thing to post. Also, you could try moving the motherboard OUT of the case and just hooking up the necessary items on a tabletop to eliminate the possibility of a short somewhere in the case itself.


check out the links provided by zagood above, or search here at Anandtech for mechBgon's new build posts. A wealth of excellent info for all.

mechBgon's website!
 
DOH!

Yes - standoffs ARE definitely required. Lots of the solder traces on the back of the motherboard are +5V or +12V, if you didn't use standoffs you've just short circuited them to ground.

If you're lucky, you've only fried your power supply. If you're not lucky, the sky's the limit for damage I'm sorry to say.

If you haven't tried already, you can "hotwire" a PSU by jumping the green wire to any adjacent black wire in the 20 pole power plug. Once I shorted +12v to ground (via a incorrectly connected front panel sound blaster drive and it nuked the PSU). It was an Antec power supply. I came to find out later that there was a fuse on the inside of the PSU (on the main PSU board) - it was blown. That was probably all that was wrong with it. Of course by then I had removed the fan and about 110 resistors (for other things) so I never knew for sure.
 
Originally posted by: blamb425
are standoffs required to screw in the mobo to the case? i didnt use those =|
Click to expand...

I was just going to ask if u used them.... Yes that is causing your problems. Everything might still work, although you may have damaged some stuff.
 
lol, i feel like killing myself

well the computer still booted fine, i'm still in the process of setting it up

thanks so much for ur help, if i had continued trying to turn that thing on, who knows what would have happened
 
Originally posted by: blamb425
lol, i feel like killing myself

well the computer still booted fine, i'm still in the process of setting it up

thanks so much for ur help, if i had continued trying to turn that thing on, who knows what would have happened
Click to expand...

dontcha just love people doing first builds......heheee
 
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