AndyF

Shutdown/ unexpected Startup issue with DPS 650 G

6 posts in this topic

Hello All,

 

I have an issue with new DPS 650W G PSU:

- Motherboard MSI Z170A Pro, CPU i5 6600, M2.SATA HDD, 8GB RAM

 

My PC is powering up after Shutdown via Power button (on case) or Shutdown command from OS.

I see such behavior with various OSes: Win, Linux, FreeBSD.

I've updated MB BIOS to the latest version but the issue still exists.

I've disconnected all peripheral devices, like keyboard, mouse, external video card, switches/leds from case, Ethernet, funs (except CPU fun).

All "Wake up" settings are disabled in the BIOS but the issue still exists :-)

I.e. OS is loaded - I'm closing "Power contacts" on MB with screwdriver (simulate Power Off ) - System is going down -

all switched off - after 2-3 sec. system is going up again.

 

My PC works fine with PSU from another manufacturer (shutdown and power off as expected )

 

Any suggestions regarding my issue?

 

Thanks an advance.

 

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Hi Denny,

 

Thanks for your reply.
I'll test my problematic Tt PSU with another MBs and assets before RMA.
Wanna to be clear sure that the problem with PSU or MB "incompatibility", don't know right now.

Denny, I'll post about results.

 

Thank you.

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Hi,

 

Reading over your post, what does this mean?

 

My PC is powering up after Shutdown via Power button (on case) or Shutdown command from OS.

 

So you shut down and your PC turns back on automatically?
The way you explain this I dont understand.

 

More details, we can try and help.

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Hi All,

 

I've tested my Tt DPS 650 G PSU with 3 motherboards: ASrock(old), MSI (old), Gigabyte (old)

PSU works as expected, there are no issues with "Shutdown/Power off" and "turns back automatically" events.

Looks like I have an issue witn MSI Z170A Pro MB only.

I'm sorry for disturb this community.

 

Moderators, feel free to close this thread.

 

Thank you.

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Andy,

 

Thank you for the update, happy to hear you are narrowing down the issue.

 

Hope you are back up and gaming soon!

 

Check grounding with that motherboard, maybe test it out of the case?

 

-Mike

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