https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Fri, 10 Apr 2026 19:47:15 +0000 Wed, 24 Jul 2019 13:57:02 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=11941 https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65444&title=extrem4-z390-no-signal-on-digital-display-ports#65444 Author: James95
Subject: 11941
Posted: 24 Jul 2019 at 1:57pm

Make sure Display type is set to IGPU if only using onboard. Also the HDMI and Display Port are HDCP compliant which may require "seeing" an active HDCP compliant monitor before allowing video. Turning the monitor on after POST may violate the newer HDCP handshaking requirements due to the Video BIOS built into Main BIOS does not see the HDCP monitor before end of POST and is dis-allowing any video stream. [URL= https://www.myfirstpremiercard.us/]https://www.myfirstpremiercard.us/[/URL]]]> Wed, 24 Jul 2019 13:57:02 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65444&title=extrem4-z390-no-signal-on-digital-display-ports#65444 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65396&title=extrem4-z390-no-signal-on-digital-display-ports#65396 Author: maciejos78
Subject: 11941
Posted: 23 Jul 2019 at 8:57pm

This is interesting. My LCD is quite old 22" LG display and I'm in doubt, if it's HDCP compliant, but from the other hand shouldn't HDCP affect only high resolution video streams of copy-protected materials?

]]> Tue, 23 Jul 2019 20:57:47 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65396&title=extrem4-z390-no-signal-on-digital-display-ports#65396 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65395&title=extrem4-z390-no-signal-on-digital-display-ports#65395 Author: maciejos78
Subject: 11941
Posted: 23 Jul 2019 at 8:39pm

Rather not - I tested both HDMI & DP.]]> Tue, 23 Jul 2019 20:39:22 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65395&title=extrem4-z390-no-signal-on-digital-display-ports#65395 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65367&title=extrem4-z390-no-signal-on-digital-display-ports#65367 Author: RLGL
Subject: 11941
Posted: 23 Jul 2019 at 7:40am

Bad cable??]]> Tue, 23 Jul 2019 07:40:43 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65367&title=extrem4-z390-no-signal-on-digital-display-ports#65367 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65360&title=extrem4-z390-no-signal-on-digital-display-ports#65360 Author: maciejos78
Subject: 11941
Posted: 23 Jul 2019 at 5:26am

Hi again,

in fact they are, thanks for pointing them out. They have no influence on the issue I have.]]> Tue, 23 Jul 2019 05:26:32 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65360&title=extrem4-z390-no-signal-on-digital-display-ports#65360 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65246&title=extrem4-z390-no-signal-on-digital-display-ports#65246 Author: CHnuschti
Subject: 11941
Posted: 21 Jul 2019 at 7:59pm

The connection as described above was over a HDMI cable on the onboard port.]]> Sun, 21 Jul 2019 19:59:10 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65246&title=extrem4-z390-no-signal-on-digital-display-ports#65246 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65244&title=extrem4-z390-no-signal-on-digital-display-ports#65244 Author: CHnuschti
Subject: 11941
Posted: 21 Jul 2019 at 7:44pm

There ARE settings in the BIOS affecting/concerning the display
1) Advanced (main page) => Full HD UEFI (somewhat hidden, since too obvious)
2) Advanced => chipset configuration => primary graphics adapter
3) Advanced => chipset configuration => IGPU multi monitor

They have quite an effect IMO. In some setting constellations you just get no display. My unpleasant experience with the taichi z390 ultimate was than I wanted to (clean) install Windows over the onboard display. Result was an oversized display (of the BIOS interface), not able to display the whole page on the monitor. Moving the mouse on the edges did move to the hidden parts, but I noticed that only later. No combination of the settings above was able to change that behaviour.
Don't know if it is related to my older monitor eizo HD2441w, but I think not. ]]> Sun, 21 Jul 2019 19:44:25 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65244&title=extrem4-z390-no-signal-on-digital-display-ports#65244 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65241&title=extrem4-z390-no-signal-on-digital-display-ports#65241 Author: maciejos78
Subject: 11941
Posted: 21 Jul 2019 at 7:02pm

Hi,

thanks for reply. I believe that there are no BIOS/UEFI settings related to iGPU control.

I noticed the same behave for discrete graphics card.

A: I simply used to turn off display after PC usage. It seems that I will have to change my habbit.
]]> Sun, 21 Jul 2019 19:02:30 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65241&title=extrem4-z390-no-signal-on-digital-display-ports#65241 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65169&title=extrem4-z390-no-signal-on-digital-display-ports#65169 Author: badbri
Subject: 11941
Posted: 20 Jul 2019 at 9:58am

Have you played with the Advanced > Chipset BIOS settings ?
Make sure Display type is set to IGPU if only using onboard. Also the HDMI and Display Port are HDCP compliant which may require "seeing" an active HDCP compliant monitor before allowing video. Turning the monitor on after POST may violate the newer HDCP handshaking requirements due to the Video BIOS built into Main BIOS does not see the HDCP monitor before end of POST and is dis-allowing any video stream.
If the monitor is in Sleep mode then the HDCP handshaking will still occur during bootup. Q: Why are you turning the monitor off ?]]> Sat, 20 Jul 2019 09:58:09 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65169&title=extrem4-z390-no-signal-on-digital-display-ports#65169 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65077&title=extrem4-z390-no-signal-on-digital-display-ports#65077 Author: maciejos78
Subject: 11941
Posted: 19 Jul 2019 at 4:21pm

Hello,

I have an issue with my Extreme4 Z390 + i7 9700K. Onboard digital display ports stay turned off, when attached screen was powered off during POST. Only power cycle with turned on display solves the issue. If the display attached to any of digital port was powered on during POST it can be turned off and on any time and always gets digital signal.

This issue does not occur on analog port - it always works.

Workaround that I have now is to connect the display to both ports digital and analog and switch between signal sources, but I'd like to have this issue solved permanently.

Regards
Maciej]]> Fri, 19 Jul 2019 16:21:28 +0000 https://forum.asrock.com/forum_posts.asp?TID=11941&PID=65077&title=extrem4-z390-no-signal-on-digital-display-ports#65077