Computer stuck in power stand by amber light

[Johnwantsacar]

Okay so this is my friends computer, he can't post.

Windows 7
Asus p5nsli
750tx PSU Corsair
Not sure about ram but i know there is 4 gigs.
GTS 250 Nvidia.
Unsure about the CPU but i can figure it out when he wakes up.

This story is a little crazy so bear with me.

So my friend turns his computer off and heads to the gym, he comes back and attempts to turn his computer on (which was working before the gym). His computer now says no signal and goes straight into standby, so we can't enter the bios or windows at all.

So we reseat the Graphics card. Nothing.. We clean off the golden conductors with an eraser... nothing. Check the cables and use new cables... nothing. Re-seat the RAM... nothing. Tried every combo with the RAM one stick of RAM in every spot and nothing.
Disconnects everything and takes everything out of the case. Still nothing.

Tried a different plug in the house, BOOM worked. So we bring it back to the desk and back to stand by.

He goes to his dads house to get his older computer to check the PSU and different RAM etc. Nothing.
We hook this computer up to the Monitor and stand by mode as well.

So we thought it was the monitor, Nope works with the laptop.

I'm all out of ideas and i can't figure out what else to do.

The only thing we didn't test is the motherboard, but i baffles me that the computer did start up in a different part of the room at one point, but now it wont.

 

[rgd1101]

It this a house or apartment? Might have to test the outlet voltage.

 

[Johnwantsacar]

House, it worked once on a different port but now it wont work in the same port it did work in

 

[PanicMaster85]

OK, here are a few things to try to trouble shoot it

1) Update bios(if possible)
http://www.tomshardware.com/forum/308518-30-update-bios
2) Clear Cmos(don’t forget to unplug the computer from the wall and let it sit for few minutes, if you don’t have a jumper than remove the battery make sure the computer is unplugged and let it for about10 minutes before putting the battery back in)
http://www.youtube.com/watch?v=Pdp_L5IxaNI
3) Check your psu
http://www.youtube.com/watch?v=5FWXgQSokF4
4) Make sure your computer is hooked up correctly
http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems
5) Run memtest(if possible)
http://www.memtest.org/
6) Run Burnintest(if possible)
http://www.passmark.com/download/bit_download.htm
7) If all else fails then try a gpu, Ram, or psu from another computer
Hope this helped!

 

[Johnwantsacar]

Can i do any of the "If possibles" if i can't boot up to the bios at all?

Ill check out the PSU i didn't even know you could do that, that's awesome. Thanks for showing me that.

 

[PanicMaster85]

no problem... no you cant do the if possibles if you cant even get to bios,

 

[Johnwantsacar]

does anyone have any more suggestions?

 

[PanicMaster85]

did mine not work?

 

[Johnwantsacar]

did mine not work?

Sadly no, I can't do any of the "if possibles" since I can't get into the bios. I've also already cleared the CMOS and replaced the PSU with a working PSU, as well as RAM and GPU.

 

[PanicMaster85]

well then that leaves the mobo and cpu :/ which really sucks because those are the absolute worst to see if thats the issue... if you still have coverage i would recommend just get both rma'd