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Shutdow not working
09-02-2016, 07:26 AM,
#1
Shutdow not working
I have an X79 extreme 6 running windows 10.  Starting a couple of weeks ago the system would not go into sleep mode as directed in the power settings and when I attempted to do a shutdown the computer turns off and then turns back on in about 5 sec.  The only way to turn the computer off is with the chassis power button.

I have been working with Microsoft support and they can't find any issues with windows.  All the power control settings are correct.  We also upgraded to the latest Win10 release with no change in the behavior.

As far as I can tell there was no event that triggered this behavior.  The machine has worked properly since I build it over a year ago.  Microsoft suggests updating the BIOS. 

The only new thing I did was install a new power supply. The new supply is a Corsair HX850 supply. I don't know if the issue started with that supply but I believe the shutdown worked following the installation of the supply.

Anyone have had any similar problems.

Thanks for any suggestions.
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09-02-2016, 07:38 AM, (This post was last modified: 09-02-2016, 07:39 AM by MathieuB.)
#2
RE: Shutdow not working
Quote: when I attempted to do a shutdown the computer turns off and then turns back on in about 5 sec.

That sounds like a power supply issue to me.

If you've started having issues when you installed the new power supply, logically that's the issue. I'd start by looking at that.

Do you still have the old power supply?
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09-02-2016, 03:18 PM,
#3
Shutdow not working
Another option is that when you replaced the power supply the CMOS battery got loose or the config wasn't properly reset.

If there is a hard reset button for the CMOS, I would try that a few times to see if that helps.

I had the same problem but in reverse. It would turn on the off then back on again and the CMOS reset ( completely unplugged, power button hit a few times to drain capacitance) did the trick.


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09-02-2016, 04:11 PM, (This post was last modified: 09-02-2016, 06:33 PM by PwnBroker.)
#4
RE: Shutdow not working
it could be the power supply, but to me, it would also restart when you hit the power button on the case. so if what matb and peded suggests doesnt fix it see below. a word of caution, if your power supply is a modular unit then use the cables that came with psu's and dont mix and match the cables if you try to swap with the old psu.

go into power management and see if device startup and fast startup are tuned on, if so turn them off and try to shutdown and see what it does and post back. there is another solution to try if that doesnt work by going into the registry and seeing if power down after shutdown is set to 1.

i remember seeing this on one of the windows support forums a couple of weeks ago after the anniversary update.
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09-04-2016, 10:54 AM,
#5
RE: Shutdow not working
You guys are great. I reset the CMOS and it seems everything is working properly. I was able to put the machine in sleep and it stayed there. I'll repost if something else happens but I think that must have cured the problem. I'll post again in a couple of days when I'm sure everything is OK
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10-03-2016, 06:19 AM,
#6
RE: Shutdow not working
There is still an issue. When I unplugged the system, pressed the CMOS rest button and then turned things back on everything worked as advertised. However, after a day or two it reverts to the mode where at least some of the shut down options don't work. Sometimes it's just the sleep mode that won't work, goes into sleep mode for about 10 sec and the turns back on. However, sometimes the shutdown option works properly - machine turns off without restarting.

This has happened a number of times and resetting the CMOS always solves the problem but just for a day or so.

I know the CMOS has a batter backup but I would assume that when the computer is on or in sleep mode that the CMOS is powered by the power supply.

Any other suggestions?

Thanks,

Andy Cruce
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10-04-2016, 02:18 PM,
#7
RE: Shutdow not working
Perhaps it is an un-intended device waking up the system. The commands below are for Win 7. I think Win10 may have changed the syntax a little but they should work.

C:\> powercfg /devicequery wake_armed

lists devices that can wake a system.

C:\> powercfg /lastwake

lists the device or event that woke it up last time.

You can then go into the power settings of the device and remove the option for it to wake the computer.

more options on powercfg here: https://technet.microsoft.com/en-us/libr...s.11).aspx
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10-08-2016, 12:03 AM,
#8
Shutdow not working
With the older platforms Win10 often requires the latest UEFI/BIOS update along with Intel ME chipset drivers. Especially after that anniversary update it seems to be creating a big problem. It seems that it may seem odd, that might be the culprit as well.


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10-09-2016, 07:07 PM,
#9
RE: Shutdow not working
FWIW, below is my Win 81 system, put to sleep and woke up from a keypress.

C:\Users\AbcdWxyz>powercfg /lastwake
Wake History Count - 1
Wake History [0]
Wake Source Count - 1
Wake Source [0]
Type: Device
Instance Path: PCI\VEN_8086&DEV_8CB1&SUBSYS_50071458&REV_00\3&11583659&0&A0
Friendly Name: Intel® USB 3.0 eXtensible Host Controller - 0100 (Microsoft)
Description: Intel® 9 Series Chipset Family USB xHCI Host Controller - 8CB1
Manufacturer: Generic USB xHCI Host Controller
CPU: Intel Core i7-4790K 4.7Ghz Mobo: Gigabyte Z97X Gaming 5 GPU: MSI GTX 970 Gaming 4G HSF: Cryorig R1 Ultimate
Mem: 2 x 8GB G.Skill TridentX DDR3 2400 SSD: Samsung 850 Evo 500GB + a few spinners
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