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post #21 of 37
Do as Krosh says could not have said it any better thumb.gif
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post #22 of 37

Sounds to me like the death of some vrms. Unplug the 4/8 pin power connector for the cpu and only that one. Then power it up. If it stays on, it's a probably your vrms.

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post #23 of 37
Thread Starter 
thanks but i dont own another psu and DMM so i cant test the psu unofrtunately.


i can test the jumper thingy you mentioend

the video should be public now http://www.youtube.com/watch?v=F-A3z4yMiQI&feature=youtu.be
Quote:
Originally Posted by Krosh View Post

Need a new link still sending us to the Pvt version

Also i have this -

If no beeps:
Running fans and drives and motherboard LED's do not necessarily indicate a good PSU. In the absence of a single short beep, they also do not indicate that the system is booting.

At this point, you can sort of check the PSU. Try to borrow a known good PSU of around 550 - 600 watts. That will power just about any system with a single GPU. If you cannot do that, use a DMM to measure the voltages. Measure between the colored wires and either chassis ground or the black wires. Yellow wires should be 12 volts. Red wires: +5 volts, orange wires: +3.3 volts, blue wire : -12 volts, violet wire: 5 volts always on. Tolerances are +/- 5% except for the -12 volts which is +/- 10%.

The gray wire is really important. It should go from 0 to +5 volts when you turn the PSU on with the case switch. CPU needs this signal to boot.

You can turn on the PSU by completely disconnecting the PSU and using a paperclip or jumper wire to short the green wire to one of the neighboring black wires.
http://www.youtube.com/watch?v=5FWXgQSokF4&feature=yout...

A way that might be easier is to use the main power plug. Working from the back of the plug where the wires come out, use a bare paperclip to short between the green wire and one of the neighboring black wires. That will do the same thing with an installed PSU. It is also an easy way to bypass a questionable case power switch.

This checks the PSU under no load conditions, so it is not completely reliable. But if it can not pass this, it is dead. Then repeat the checks with the PSU plugged into the computer to put a load on the PSU.

Source - Jsc from Toms hardware
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post #24 of 37
do you not have another desktop in the house? if you have take the PSU out of either and just link up to see if it boots
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post #25 of 37
Thread Starter 
Quote:
Originally Posted by nvidiaftw12 View Post

Sounds to me like the death of some vrms. Unplug the 4/8 pin power connector for the cpu and only that one. Then power it up. If it stays on, it's a probably your vrms.


ive unplugged the 8 pin connector for the cpu and it seems that my computer does power on successfully without getting shtudown...
what does this suggest? i know little about computer hardware

i filmed when i powered on my computer http://www.youtube.com/watch?v=Q3titcjyIbY
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post #26 of 37
you either fried you cpu, socket or VRM's(voltage regulators) remove cpu look for burn marks, inspect cpu socket for bent, broken. burnt pins. you may be able to RMA your mobo if it is the problem, but I wouldn't mention overclocking your system wink.gif
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post #27 of 37
it seems i was barking up the wrong tree... oh well, hope i helped in some way
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post #28 of 37
Thread Starter 
meh frown.gif
i couldnt find any burn marks for my cpu but im not sure if i could find any bent pins on the socket :/



but krosh mmuch appreciate for ur intented help smile.gif
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post #29 of 37
I'm Glad i could help'ish but atleast you know what to look for if your PSU goes up the shoot smile.gif
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Stone Tardis
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post #30 of 37
Quote:
Originally Posted by azrael36 View Post

you either fried you cpu, socket or VRM's(voltage regulators) remove cpu look for burn marks, inspect cpu socket for bent, broken. burnt pins. you may be able to RMA your mobo if it is the problem, but I wouldn't mention overclocking your system wink.gif

Pretty much this. Almost assuredly vrms, can't say why it would happen suddenly while idle like that.

Quote:
Originally Posted by Krosh View Post

it seems i was barking up the wrong tree... oh well, hope i helped in some way

It was a valid assumption. I only knew because I've killed my vrms before (lol) and it responded the exact same.

Quote:
Originally Posted by maikon View Post

meh frown.gif
i couldnt find any burn marks for my cpu but im not sure if i could find any bent pins on the socket :/



but krosh mmuch appreciate for ur intented help smile.gif

Can you post some other shots of the board around the vrm area, front and back?

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