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Fatal1ty Z170 Gaming-ITX/ac No display after sleep
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dkeone View Drop Down
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    Posted: 10 Apr 2016 at 4:01am
Hi,

I built a HTPC using Fatal1ty Z170 Gaming-ITX/ac motherboard due to its built in hdmi 2.0 port.

I have no issues getting 4k @ 60hz and everything works fine, but when i sleep the computer and wake it the tv won't turn on, the machine is running and i can remote access it.

No errors in event viewer either, i've tried several of configurations in the asrock bios (updated to latest version too) , i've also tried 4 different versions of the intel 530 display driver, nothing helps.. nada.. I have to completely reboot the system to get the motherboard to send the signal to the tv again.

I've googled and found various things about disabling "PLL overvoltage" but i cannot disable this in the asrock bios.

Someone with some knowledge, please give me a hand, thanks!
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dkeone View Drop Down
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Oh i'm on OS: Windows 10.
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Turns out with bios 2.0 hdmi wakeup is completely broken... and with bios 1.8 hdmi wakeup works as long as you keep your television running but if you sleep the computer, then turn of your television, then you turn on your television and wake your htpc from sleep, no hdmi signal is being sent?

what kind of team of highly incompetent monkeys are writing those bioses? I only bought this motherboard as it had hdmi 2.0 output and mini itx but man my asrock experience has been garbage so far, next time i'm sticking to asus no matter what i do, i've owned over 20 asus motherboards and i've never had these kind of issues.

Terrible.
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dkeone View Drop Down
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So i down graded to 1.5 which was the version my motherboard came from and now 2 out of 3 wake up hdmi issues have been solved, but one still remain.

I found a thread on another site explaining the problem:

Quote 
    When it is connected via HDMI only

        Display works as expected on boot
        Display wakes up after sleeping for a few minutes
        Display does not wake up after sleeping for a few hours


I bolded the problem i have with bios 1.5

Can some asrock representative please respond? Is there anything you can do to solve this issue? It's clearly something you could solve with a bios update, i believe many of your costumers buying this motherboard are not looking to game with it, they are looking to a build a solid HTPC that can handle 4k@60fps without having to have a huge GPU.

Thanks
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I has the same issue in Windows 7 with BIOS 2.0 too. With HDMI 2.0, the screen shows a lot of vertical white lines with a big mouse pointer after sleep. With the regular HDMI port, the screen was blank. Do I have to run HDMIFeUpgrader to upgrade the firmware? The board looks great and works fine so far though it has some boot issue with picoPSU (150W) and boot normally with a regular ATX PSU.
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Switched to BIOS P1.80 and everything is normal with Acer K272HUL. Don't have a 4K TV with HDMI 2.0 and no way to verify that. 
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dkeone View Drop Down
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Originally posted by tyeh101 tyeh101 wrote:

Switched to BIOS P1.80 and everything is normal with Acer K272HUL. Don't have a 4K TV with HDMI 2.0 and no way to verify that. 


are you sure? i have issues only if i sleep computer/tv for a long period of time, have you tried sleeping your computer for more then an hour then trying to get it to wake up?
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Originally posted by tyeh101 tyeh101 wrote:

I has the same issue in Windows 7 with BIOS 2.0 too. With HDMI 2.0, the screen shows a lot of vertical white lines with a big mouse pointer after sleep. With the regular HDMI port, the screen was blank. Do I have to run HDMIFeUpgrader to upgrade the firmware?


same issue here and even doing the HDMI firmware upgrade didn't fix it


Edited by ocFTW - 14 Apr 2016 at 11:50am
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parsec View Drop Down
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Originally posted by dkeone dkeone wrote:

Turns out with bios 2.0 hdmi wakeup is completely broken... and with bios 1.8 hdmi wakeup works as long as you keep your television running but if you sleep the computer, then turn of your television, then you turn on your television and wake your htpc from sleep, no hdmi signal is being sent?

what kind of team of highly incompetent monkeys are writing those bioses? I only bought this motherboard as it had hdmi 2.0 output and mini itx but man my asrock experience has been garbage so far, next time i'm sticking to asus no matter what i do, i've owned over 20 asus motherboards and i've never had these kind of issues.

Terrible.


The same team that is writing the VBIOS (familiar with that?) and graphics drivers for the 530 graphics... Intel.

If you believe ASRock or Asus has anything to do with the Intel integrated graphics beyond including the latest Intel VBIOS updates in their board's UEFI/BIOS updates, and supplying an Intel graphics driver for download, then you are mistaken.

So your problem with waking from Sleep and apparently losing the video output sync to the TV, which includes Windows (implementing Sleep), Intel's video drivers and VBIOS for their integrated graphics, and your 4K TV (not a PC monitor, with a new technology (4K), driven by a PC, rather than a cable TV signal or TV - type optical disk player, neither of which ever stop sending a signal to the TV except when shutoff, and have no Sleep mode), can only be blamed by you on the ASRock mother board, resulting in you saying your experience with it is garbage.  Confused

Which 20 Asus mother boards that provide a 4K video output, that you've used with your 4K TV, don't have the wake from Sleep issue?

If you've followed the Intel video driver updates for their latest graphics, ranging from 510 to 580, there have been many updates and, unusual for Intel, Beta video driver releases. If you check the release notes of the latest Beta release (3/11/2016), in the Known Issues section, one of the many unresolved issues is loss of playback when resuming from S3 or S4 (Sleep and Hibernate).

https://downloadmirror.intel.com/25848/eng/ReleaseNotes_GFX_15%2040%204404.pdf

New drivers or VBIOS versions are not always improvements in every way, things can break that were previously working.

I also wonder how it is possible for a 4K TV to be signaled to re-sync the video signal once it is lost (Sleep) if the TV itself is not capable of detecting the loss of signal lock and trying to establish it again itself, without being power cycled. That is very basic digital signaling, which PC monitors deal with, but TVs are not built to the same standards as PC monitors.

This reminds me of the Windows problem with no signal from the video card to a PC monitor upon wake from Sleep on my (sorry) Asus P67 board. Windows expected the video driver to react in a certain amount of time, and if it failed to do so, that was an error and it gave up.
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Originally posted by parsec parsec wrote:

Originally posted by dkeone dkeone wrote:

Turns out with bios 2.0 hdmi wakeup is completely broken... and with bios 1.8 hdmi wakeup works as long as you keep your television running but if you sleep the computer, then turn of your television, then you turn on your television and wake your htpc from sleep, no hdmi signal is being sent?

what kind of team of highly incompetent monkeys are writing those bioses? I only bought this motherboard as it had hdmi 2.0 output and mini itx but man my asrock experience has been garbage so far, next time i'm sticking to asus no matter what i do, i've owned over 20 asus motherboards and i've never had these kind of issues.

Terrible.


The same team that is writing the VBIOS (familiar with that?) and graphics drivers for the 530 graphics... Intel.

If you believe ASRock or Asus has anything to do with the Intel integrated graphics beyond including the latest Intel VBIOS updates in their board's UEFI/BIOS updates, and supplying an Intel graphics driver for download, then you are mistaken.

So your problem with waking from Sleep and apparently losing the video output sync to the TV, which includes Windows (implementing Sleep), Intel's video drivers and VBIOS for their integrated graphics, and your 4K TV (not a PC monitor, with a new technology (4K), driven by a PC, rather than a cable TV signal or TV - type optical disk player, neither of which ever stop sending a signal to the TV except when shutoff, and have no Sleep mode), can only be blamed by you on the ASRock mother board, resulting in you saying your experience with it is garbage.  Confused

Which 20 Asus mother boards that provide a 4K video output, that you've used with your 4K TV, don't have the wake from Sleep issue?

If you've followed the Intel video driver updates for their latest graphics, ranging from 510 to 580, there have been many updates and, unusual for Intel, Beta video driver releases. If you check the release notes of the latest Beta release (3/11/2016), in the Known Issues section, one of the many unresolved issues is loss of playback when resuming from S3 or S4 (Sleep and Hibernate).

https://downloadmirror.intel.com/25848/eng/ReleaseNotes_GFX_15%2040%204404.pdf

New drivers or VBIOS versions are not always improvements in every way, things can break that were previously working.

I also wonder how it is possible for a 4K TV to be signaled to re-sync the video signal once it is lost (Sleep) if the TV itself is not capable of detecting the loss of signal lock and trying to establish it again itself, without being power cycled. That is very basic digital signaling, which PC monitors deal with, but TVs are not built to the same standards as PC monitors.

This reminds me of the Windows problem with no signal from the video card to a PC monitor upon wake from Sleep on my (sorry) Asus P67 board. Windows expected the video driver to react in a certain amount of time, and if it failed to do so, that was an error and it gave up.


Thank you for a good response on the subject, here's my thoughts.

The TV itself i have used previously with a Intel NUC i7 and i ran 4k @60hz with sleep on that device and the tv never had any issues detecting when the nuc woke up after a day of sleeping so the TV seems fine.

The Intel NUC also uses the intel built in driver (but not skylake) so i would guess it would handle those events similar to how the asrock built in intel graphics does, no? Well it does work on the nuc, it doesn't on the asrock motherboard so i'm automatically thinking asrock is to blame but it might also be the skylake intel drivers) but since i never experienced any difference running all the intel updates yet when changing bios i experienced huge difference i could only conclude that the gfx was working and asrock bios was broken.

I will do more tests in the weekend, it's very time consuming to test as explained above when the TV & HTPC sleeps for more then an hour wake up signal is not being detected, doing trial and error on this obviously takes a lot of time.
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