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Lenovo D30, power on 1 sec turns off

2018-02-20, 16:32 PM

I have a 4223 D30 with E5-2670 cpus and 64 gb ram. 

 

I was was in the process of upgrading to win 10 and decided to upgrade bios (bad idea) 

 

bios flashed he’s fine and installed 10. The. System rebooted for updates to win 10 and now system only powers on for a sec to spin fans then goes off does this repeatedly. No post, no beep etc. tried the bios reset jumper and no change!!!

 

what can I do or is it new mobo time???

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4691 Posts

02-22-2010

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Re: Lenovo D30, power on 1 sec turns off

2018-02-20, 17:05 PM

Did the BIOS flash update complete successfully?  Just want to make sure there were no issues during that process that might have corrupted BIOS.

 

Have you pulled AC power and drained the PSU by holding the switch in (10 second or so ought to be enough).  It sounds like your power supply might need a clean AC reset.




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Re: Lenovo D30, power on 1 sec turns off

2018-02-20, 17:29 PM

Does leaving the system unplugged from ac for a week count?? 

 

As as far as the flash goes, it flashed no errors and booted, installed win10, setup most my software while os updates downloaded then after os updates system tried to reboot and this is where we are at....

 

tried unplugging all drives, different video cards etc....

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Re: Lenovo D30, power on 1 sec turns off

2018-02-20, 18:50 PM

Tried the ten second on the power supply still same results. Even pulled mobo out reseated everything same result. 

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Re: Lenovo D30, power on 1 sec turns off

2018-02-20, 21:09 PM

Leaving the PSU disconnected for that long defnitely should have provided a full reset of the supply.

 

What about the diagnostic LEDs on the back of the PSU?  With the system fully built and the PSU connected to AC, what are those LEDs showing?

 

What other hardware do you have installed in the system?

 

 

My gut tells me if there's failing hardware involved here, it's likely on the power supply side.  The board won't even attempt to power up until it gets the correct signaling from the PSU, and it seems like that is likely not happening based on the PSU symptoms.   Even if the PSU diag LEDs don't give us any clues, I'd still probably start with the PSU first since it's the lower cost alternative up front....especially if you purchase from a retailer with a decent return policy.




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Re: Lenovo D30, power on 1 sec turns off

2018-02-20, 21:29 PM

No drives attached, 64 gb of ram is in, 2x Xeon 2670’s, a nvidia gtx660 and that’s it for installed hardware. The PSU has a single green LED lit. Not flashing etc. 

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Re: Lenovo D30, power on 1 sec turns off

2018-02-22, 18:45 PM

The green LED on solid basically indicates that 5Vsb is present.  The yellow LED is an indicator for the rest of the PSU rails.  If that yellow LED is off whenever the PSU is on, then it should indicate the rails are OK.  

 

So when the symptom is being seen with the supply trying to turn on for 1 second and then shutting off, and then repeating, are you seeing the PSU LEDs do anything different?  Or is that green LED coming on for a second and then shutting off?

 

Worst case, I'd try this as a last resort before replacing any hardware:

- separate AC power at the supply from the wall

- move JP4 to the clear position

- remove the motherboard battery

- let it sit like that for a good hour, and then try to reassemble and boot up (move JP4 back to normal position).

 

If it still fails after that, you might need to look at replacing hardware.  I still think the PSU would be the first choice, but that could change based on your responses to the above questions.  I've seen PSUs get into a funky state in the past just like what you're describing, but usually a hard AC reset fixes the problem.




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