Solved No boot / No power

Custom / CUSTOM
January 1, 2014 at 13:04:40
Specs: Windows 7, 2.394 GHz / 6143 MB
Got blue screen with no line about a fault or error just the "If this is the first time yada yada yada" followed by a long list of numbers mostly zeros. Attempted reboot and had nothing at all. No fans no lights and no post. Checked, cleaned and reseated all connections. This MB has never given a post beep except when al ram was removed. The green light on the MB now blinks steady. I have done the jumper test on the PSU and both the internal fan and an auxiliary fan spin up just fine. Does this mean I can rule out the PSU as the problem? Or could it still be sending incorrect voltage to the MB? If it's not the PSU should I be looking at CPU or MB?

Thanks for any help.

Likely


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✔ Best Answer
January 9, 2014 at 10:45:21
Okay as of now I have replaced the power supply, got more than I really need but it was a matter of availability vs price & time. Anyway that seems to have gotten me halfway there. While I now seem to have power I am not getting a ram check at boot attempt and there is a good lag between when I hit the power button and when my case fans start. There never was before so I am now looking for a socket T motherboard and maybe cpu as well.

Likely



#1
January 1, 2014 at 13:37:34
Post the full message.

Is this a new build?

Did you bench test the board? See the link below for my take on bench testing.

Post a hardware list, including the power supply.

http://www.computing.net/answers/wi...

message edited by OtheHill


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#2
January 1, 2014 at 13:46:17
I would still consider the PSU suspect. If a filter capacitor in it was weak or gone it could allow too much ripple voltage to other parts of the machine. Try hooking up a known good PSU to the "faulty" machine to rule it out...

"Channeling the spirit of jboy..."


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#3
January 1, 2014 at 19:50:40
Also try to reset CMOS, sometimes it works.

You know the real meaning of peace only if you have been through the war.


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Related Solutions

#4
January 2, 2014 at 13:29:33
The first set of numbers in the error message is particularly important, also any file that happens to get mentioned. Get this with the computer all put back together.

Always pop back and let us know the outcome - thanks


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#5
January 3, 2014 at 14:38:26
Not new build, going on seven years old.
Asus P5B MB, E6600 CPU (2.4 gig) LGA 775, 6 GB kingston ram, ATI Radion 4650 HD vid card, 2 DVD combo drives, OCZ 600 watt PSU.This is the second psu. There was no file info on the blue screen and the first of numbers was all zeros. I did try resetting the cmos.

Likely


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#6
January 3, 2014 at 15:44:10
Turn off fast boot in the BIOS so you can watch teh start up screens. Watch for total RAM configuration, hard drive, graphics, etc. You can pause the process by tapping the pause or scroll lock keys. Hitting the spacebar will resume the process.

Sounds like a hardware failure of some sort. I am assumming you didn't add any new hardware.

Do you use Windows autoupdater?

Can you enter the BIOS and set there OK?

Have you tried Windows Safe Mode by tapping F8 at start up?


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#7
January 3, 2014 at 16:40:18
"Attempted reboot and had nothing at all. No fans no lights and no post." ....... I guess this wasn't clear in my original post. My machine doesn't boot at all. Fast boot has always been off not that it matters at the moment. I don't use autoupdate I prefer the manual approach.
No I can't enter the bios. I would say that I know for sure that it is a hardware failure but I have learned enough to know that I am just not that bright.
My first thought was power supply but after putting a paper clip between pins 14 and 15 of the 20/24 pin connector the fan in the power supply and an auxiliary fan I connected came on so I was no longer sure it was the issue. I am almost sure it is either MB , CPU , or PSU. When I connect my power supply the green light by where the power switch is connected blinks at a steady rate not real fast.

Any ideas?

Likely

message edited by likelystory


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#8
January 3, 2014 at 16:51:51
If you never ever see anything on the screen (not sure if that is now the current situation) then it is almost certainly a hardware fault. Bearing in mind that the PSU fan starts when you apply the link, I agree that motherboard is high on the list of possibilities.

EDIT: Added bracketed part above.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#9
January 3, 2014 at 21:41:25
So then you DON'T see a blue screen? That is an indication that Windows is trying to start.

If you got that far at least once then I would guess it isn't the CPU. I would strip it down to the bare hardware needed to boot and try again. No drives, 1 stick of RAM, keyboard, graphics, monitor. Disconnect all case to board wiring. Remove all external hardware.

If you have another graphics card you could try that.

Probably the power supply. Just because you see signs of life doesn't mean the PSU is actually OK.


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#10
January 5, 2014 at 21:10:07
Ok I was able to try a diferent PSU. This one though was an older model. The main connector is just 20 pin. The MB header is 24. All that was in place was cpu and fan, ram, vid card, and an auxiliary fan.
When powered on the PSU the light on the MB came on and stayed solid. When I pushed the power button the auxiliary fan, the PSU fans, and the vid card fans all came on but the CPU fan did not. I shut it off imediately. I didn't feel any heat from around the CPU. I am sure now that at the least the PSU is bad. I will replace it and go from there.

Likely


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#11
January 9, 2014 at 10:45:21
✔ Best Answer
Okay as of now I have replaced the power supply, got more than I really need but it was a matter of availability vs price & time. Anyway that seems to have gotten me halfway there. While I now seem to have power I am not getting a ram check at boot attempt and there is a good lag between when I hit the power button and when my case fans start. There never was before so I am now looking for a socket T motherboard and maybe cpu as well.

Likely


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#12
January 9, 2014 at 11:22:28
Could be worth cleaning the RAM edge connectors with a pencil eraser, then popping the sticks in and out a few times to clear any oxide off the sockets themselves. You could try memtest if that doesn't help.

Always pop back and let us know the outcome - thanks


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#13
January 9, 2014 at 11:41:51
Also, double check your power connections. Do you have the 24 pin power, the axillary power and any GPU power connectors all made up?

What power supply model did you buy?


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#14
January 9, 2014 at 11:52:58
Yes, best avoid the expense of changing motherboard or CPU until you have eliminated any cheaper possibilities.

Always pop back and let us know the outcome - thanks


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#15
January 10, 2014 at 16:40:30
The ram and all other motherboard seatings ( vid card, ethernet, sound...) have been cleaned and reseated. The new power supply is a thermaltake 750 watt. Enthusiast series I think have to look at the box. I know I don't need 750 watts but the next lower wattage available locally was 480 and I am sure that would have been borderline at best in this box. I got rebate on the 750 brining it in under $80 so I grabbed it. Had I known that was not the only problem I would have ordered a smaller one along with the part/s I now can't find locally being so out dated.

Likely


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#16
January 10, 2014 at 16:54:23
Also I feel almost ashamed to say I broke down and took it to a technician after replacing the power supply to make sure my suspicion of the motherboard was correct. He assured me it was and that the power supply I had removed was indeed faulty. I hate that I needed someone else to check my work but I was getting frustrated.

Thanks for all the help folks.

Likely


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#17
February 7, 2014 at 16:51:44
Follow up: I was able to track down a working motherboard and cpu each in a different machine for a reasonable price. When I assembled them in my box the cpu failed. My original cpu worked though. All was good for a day when a power failure due to iced over power lines during a bios update killed it again! I hae ordered a refurbished board from someone I trust on ebay.

Thanks again for everyones help.

Likely


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#18
February 7, 2014 at 17:02:07
Thanks for the update - hope it works out.

Always pop back and let us know the outcome - thanks


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