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H170A-X1/3.1 boots to BIOS sometimes
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lindend View Drop Down
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Points: 58 		Post Options Post Options   Thanks (0) Thanks(0)   Quote lindend Quote  Post ReplyReply Direct Link To This Post Posted: 07 Sep 2016 at 11:13am
Originally posted by cybermcm cybermcm wrote:


Have you checked the NIC settings? There is a setting "Wake on magic packet from power off state"?
My board boots into UEFI only if WOL is working, so it is the same as you described. Does your board always boots into UEFI after power loss of the PSU or only sometimes? In my case it is often but not always.


The Windows driver settings are identical between machines and both have the option to only allow a magic packet to wake up the computer.

I have noticed that maybe 20% of the time, it boots normally from a cold boot.  Haven't figured out a pattern yet.  Is that roughly the percentage you're seeing?

Originally posted by cybermcm cybermcm wrote:


Thats the correct option. Make sure that you haven't enabled "deep sleep" because then WOL isn't working (at least for me)


Like you, I haven't touched the Deep Sleep setting.  Wonder if that has something to do with this issue?  System in an unknown, undefined state via the default?
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lindend View Drop Down
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Originally posted by cybermcm cybermcm wrote:


I'll try to test further but it seems that you got the right idea! Since the moment I disabled Fast Boot I never experienced a cold boot into BIOS. I want to wait a few days longer to close my problem because I didn't had much time lately to do real testing.


Are you indicating that if you disable the UEFI fast boot, you don't see this issue?  I've never enabled UEFI fast boot so that isn't the source of my problem.  That being said, next boot, I will very that its disabled (default state).
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cybermcm View Drop Down
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Originally posted by lindend lindend wrote:

Are you indicating that if you disable the UEFI fast boot, you don't see this issue?  I've never enabled UEFI fast boot so that isn't the source of my problem.  That being said, next boot, I will very that its disabled (default state).

Correct, after setting Fast boot to disabled I never experienced a cold boot to BIOS. But I'm still testing, didn't had much time lately...


Edited by cybermcm - 07 Sep 2016 at 5:13pm
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wardog View Drop Down
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Points: 6447 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 07 Sep 2016 at 5:13pm
Originally posted by lindend lindend wrote:

Originally posted by cybermcm cybermcm wrote:


Off-topic: Neither my gmail or outlook.com address is able to get mails from this forum (e.g. replies to this thread). Am I alone with this problem?


I don't get notifications either.


Sux doesn't it. It's being looked into.

Imagine keeping track of the threads us Mods post to ........... sigh.

Hopefully to be remedied. Soon I hope.
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cybermcm View Drop Down
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Originally posted by lindend lindend wrote:

Are you indicating that if you disable the UEFI fast boot, you don't see this issue?  I've never enabled UEFI fast boot so that isn't the source of my problem.  That being said, next boot, I will very that its disabled (default state).

Another idea: Please try to reset UEFI back to default settings and enable only the WOL function (PCIE devices). Don't change anything else if possible and then try again...
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cybermcm View Drop Down
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I think it's safe for me to officially close my "case". WOL works as expected and no more cold boots into BIOS.
Fast boot enabled was the cause. If Fast Boot is disabled (default setting) the cold boot effect vanishes.
Thanks for all your patience and help!

[Update]
A summary how to enable WOL (Wake on LAN)
BIOS:
Enable Wake PCIe devices (default disabled)
Disable Fast Boot (default disabled)
Disable Deep Sleep (default disabled)

Win 10:
Install Intel NIC driver, settings:
1) Respond to ARP requests... -> enabled
2) Respond to NS requests.... -> enabled
3) Energy Efficient Ethernet -> disabled
4) Reduce Link Speed... -> disabled
5) Wake on Magic Packet -> enabled
6) Wake on Pattern Match -> disabled
7) Wake on Magic Packet from power off state -> enabled
8) Wake on Link Settings -> Disabled

Disable Fast Boot in Windows power options (default enabled)!


Edited by cybermcm - 13 Sep 2016 at 2:02pm
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wardog View Drop Down
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Points: 6447 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2016 at 12:24am
Thank YOU for posting what you discovered.
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