I have a DZ87KLT75K, and have used Windows 7, 8 and now 10 against this board.
If I turn the power on, the system boots normally. If I perform a Windows restart/reboot, it shuts-down like for a normal reboot, displays the Intel Extreme Board Inside splash screen, waits a few seconds, and then the screen goes blank. I then get another splash screen, with another blank screen, and finally, the following message:
BIOS has detected unsuccessful POST attempt(s).
Possible causes include recent changes to BIOS
Performance Options or recent hardware change.
Press 'Y' to enter Setup or 'N' to cancel and attempt
to boot with previous settings.
If I select 'Y' I am brought into BIOS. I can then exit with no changes, and the system boots normally.
If I select 'N' the system boots normally.
I can then, of course, reboot the system again, and it will do the exact same thing listed above. It always does this, unless I turn the computer off, and turn it on.
I opened a case with Intel, and then sent me a replacement motherboard - same issue.
It came with the 2013 BIOS, so I upgraded to the latest BIOS (2015). Same issue.
Although I will be connecting with Intel support again tomorrow to go over possible options, is there something I'm missing here? Something on the Windows side? I know BIOS is different from UEFI in such a way that the operating system can tell the BIOS chipset/UEFI to go into set-up mode...so I figured I'd ask.
As far as my configuration, I'm using a fairly overpowered, high-quality power supply, most of my drives are SSD, I have 32GB of high-quality, well-reviewed, DDR3 @ 1600MHz (4x8GB), my processor is the i7-4771 running at the base 3.50GHz with no overclocking or funny business. I have a large case, with a gigantic heatsink/dual-fan monstrosity, well installed, with high-quality thermal paste. All temperatures, fan speeds, and voltages are happily in the green. I have zero crashes when Windows is running, no errors or warnings.
Any thoughts as to why this might be happening?