Built PC not turning on

darklord · 09-08-2007, 04:21 AM

I didn't know where to post this so this seemed like a good place.

My friend and I built a pc for him and when we finished, we turned it on only to find out that it stayed on for about half a second before dying down. We tried taking it apart and trying it again but same problem. here are the specs (i'll try to be as accurate as possible but i don't remember some of the specifics).

intel core 2 E6420 2.13ghz 4mb cache
asus P5K-E mobo (im not exactly sure about this but it was an asus mobo for sure and the pic/description looks about the same)
corsair ddr2 pc6400 800mhz 2 x 1gb ram
seagate 120gb HD
nvidia 7900 GT 256mb
thermaltake 600W PSU

when we turn it on, the fans all spin and the LEDS all come on before completely shutting down. The mobo light is always on so i really dont know what the problem is. we even took the memory out to see if the pc would beep when booting but it still did the same thing. thanks for any help.

g4m3rof1337 · 09-08-2007, 05:01 AM

Did you ground yourself?

darklord · 09-08-2007, 05:26 AM

if u mean reduce static electricity by touching the metal insides of the case, then yes we did that. but if static electricity had something to do with this, im sure one of us would have felt something. thanks for the suggestion though.

StrangleHold · 09-08-2007, 05:34 AM

Did you make sure you put the standoffs in all the right places under the board

darklord · 09-08-2007, 05:44 AM

yes the standoffs were all in place. the mobo and everything else fits perfectly.

paratwa · 09-08-2007, 05:59 AM

So your getting no system error beeps at all?

I just have to ask this, but are you sure that the switch on the back of the power supply is set to your locations voltage? 110 vs 220?

**oscaryu1** · 09-08-2007, 06:30 AM

Is the motherboard somehow still touching the case even with the standoffs?

enzofur · 09-08-2007, 06:50 AM

is yor name ben??? i just had this same problem cuz i just finished building a computer and i forgot to put in the grounding screws into the case so ??? alright if this is ben then i figured it out

darklord · 09-08-2007, 06:26 PM

no my name isn't ben.

i'll tell my friend to make sure the mobo isn't touching the case.

on the back of the power supply, all i saw was a I/O switch to turn it on. how do i set the voltage?

paratwa · 09-08-2007, 06:35 PM

Quote:

Originally Posted by darklord

on the back of the power supply, all i saw was a I/O switch to turn it on. how do i set the voltage?

There is a little slider switch that will change the voltages. Most power supply's have it so that it can be used in either Europe or the States. Some times it gets bumped, or it came set to the wrong voltage direct from the factory. It's worth checking. Sometimes the simplest things cause the biggest problems.

I don't know which model PSU you have, but here is a pic for reference on where that switch is.

09-08-2007, 04:21 AM	#1 (permalink)
darklord Bronze Member Join Date: Sep 2007 Posts: 60	Built PC not turning on I didn't know where to post this so this seemed like a good place. My friend and I built a pc for him and when we finished, we turned it on only to find out that it stayed on for about half a second before dying down. We tried taking it apart and trying it again but same problem. here are the specs (i'll try to be as accurate as possible but i don't remember some of the specifics). intel core 2 E6420 2.13ghz 4mb cache asus P5K-E mobo (im not exactly sure about this but it was an asus mobo for sure and the pic/description looks about the same) corsair ddr2 pc6400 800mhz 2 x 1gb ram seagate 120gb HD nvidia 7900 GT 256mb thermaltake 600W PSU when we turn it on, the fans all spin and the LEDS all come on before completely shutting down. The mobo light is always on so i really dont know what the problem is. we even took the memory out to see if the pc would beep when booting but it still did the same thing. thanks for any help.

09-08-2007, 05:01 AM	#2 (permalink)
g4m3rof1337 Diamond Member Join Date: Sep 2006 Location: Illinois Age: 100 Posts: 8,487	Did you ground yourself? __________________ Desktop/Laptop nForce 750i SLI FTW E8400 @ 4.05GHz Water Cooled/ T8100 @ 2.10GHz Two XFX 512MB 8800GTs with Accelero S1's / Two 512MB 8600GTs RaidMax 700Watt OCZ 4GB/ 2GB WD 500GB,200GB,80GB/ 320GB Sceptre 20.1'' or 32'' Sharp Aquos HD LCD/ 17'' Widescreen G15, MX518, N52TE/ 4 Harmon/Kardon Speakers w/ Sub.

09-08-2007, 05:34 AM	#4 (permalink)
StrangleHold Diamond Member Join Date: Nov 2005 Location: And you think your safe! Posts: 8,215	Did you make sure you put the standoffs in all the right places under the board __________________ NZXT Apollo Phenom 8750BE 3.0ghz. Gigabyte GA MA770 DS3 G Skill DDR2 1066 4gb. PNY 8800GT/VD964 W/D RE2 Sata 3.0 500gb.

09-08-2007, 06:30 AM	#7 (permalink)
oscaryu1 Moderator Join Date: Apr 2007 Location: Houston, Texas Age: 13 Posts: 10,355	Is the motherboard somehow still touching the case even with the standoffs? __________________ Core 2 Duo E2140 1.6GHz @ 3.04GHz GA-P31-DS3L pqi Turbo CL4 DDR2-800 2GB Sapphire HD3850 256MB Sony Writemaster DVD Burner EIDE Seagate Barracuda 80GB 7200.9 8MB SATII

09-08-2007, 06:50 AM	#8 (permalink)
enzofur Bronze Member Join Date: Jul 2007 Location: Arizona Age: 17 Posts: 74	is yor name ben??? i just had this same problem cuz i just finished building a computer and i forgot to put in the grounding screws into the case so ??? alright if this is ben then i figured it out Last edited by enzofur; 09-08-2007 at 06:57 AM.

09-08-2007, 05:26 AM	#3 (permalink)
darklord Bronze Member Join Date: Sep 2007 Posts: 60	if u mean reduce static electricity by touching the metal insides of the case, then yes we did that. but if static electricity had something to do with this, im sure one of us would have felt something. thanks for the suggestion though.

09-08-2007, 05:44 AM	#5 (permalink)
darklord Bronze Member Join Date: Sep 2007 Posts: 60	yes the standoffs were all in place. the mobo and everything else fits perfectly.

09-08-2007, 05:59 AM	#6 (permalink)
paratwa Diamond Member Join Date: Aug 2007 Location: Arizona Posts: 1,969	So your getting no system error beeps at all? I just have to ask this, but are you sure that the switch on the back of the power supply is set to your locations voltage? 110 vs 220?

09-08-2007, 06:26 PM	#9 (permalink)
darklord Bronze Member Join Date: Sep 2007 Posts: 60	no my name isn't ben. i'll tell my friend to make sure the mobo isn't touching the case. on the back of the power supply, all i saw was a I/O switch to turn it on. how do i set the voltage?

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