Gigabyte Z170X Gaming 5 power problems: sleep and shut down both cause restart.

Freddie AppsHero

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Oct 10, 2014
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Just got this new motherboard, and it works fine except for these power problems. If I try to put it to sleep, it'll sleep for like, 10 seconds, and then reboot. At first I thought it was being woken up by the NIC, which has happened in the past, but then I noticed that it wasn't waking from sleep, it was restarting.

Similar thing happens when I shut down. It'll stay off for a few seconds, and then it'll turn back on.
 

Freddie AppsHero

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All disabled. I've also tried unplugging everything before sleep to be sure nothing would wake it. Still have the problem.

Apparently the problem might be with the new sleep states introduced by the Haswell/Skylake CPUs. I'll test that out when I get home and report back.
 

Rogue Leader

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Yes thats true but usually related to the PSU not supporting it. That PSU is new and supports Haswell sleep states, but of course let me know what you find.
 

Rogue Leader

It's a trap!
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This is a tricky issue. I did a lot of research on it and can find no definitive solutions (and a lot of people in a situation where it just can't be fixed) however there are still some things to try. Have you gone into power options and disabled "Hybrid Sleep"?
 

Freddie AppsHero

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Ok, new developments:

- Tried a slightly older PSU. Still does the same thing.

- Enabled hibernate mode and tried that, just to see what happens. Interestingly enough, it hibernates, immediately starts up (same as shut down and sleep), but it does actually wake from hibernate rather than rebooting.

I wonder if it could be something with the power board I'm using.
 

Rogue Leader

It's a trap!
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Ohh lol, I've never heard it called a power board before!

ANyway that would not cause a computer to reboot on shutdown, it has to be somewhere past that. So even with the other older PSU upon shut down the system reboots?
 

Freddie AppsHero

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Yeah. Also, I forgot to mention, but the power button doesn't work in Windows either. It does nothing. It works to turn the PC on, and it will turn the PC off in BIOS, but once in Windows it doesn't work. I should test it in Linux. Sleep and shutdown don't work in Linux either.
 

Freddie AppsHero

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Could be. I'm going to take out the GPU tonight on the off chance it's that.