Z370 Extreme4 HDMI problem
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=7965
Printed Date: 03 Aug 2025 at 2:47pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Z370 Extreme4 HDMI problem
Posted By: deo71
Subject: Z370 Extreme4 HDMI problem
Date Posted: 07 Mar 2018 at 3:42pm
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Hello,I have a problem with Z370 Extreme4+I3 Core 8100 HDMI port, bios 1.30. My Panasonic 48" TV is recognized by PC, but the image is not shown with cables longer than 5m. I tried different cables and signal amplifiers ( https://www.monoprice.com/product%3cp_id=15650" rel="nofollow - https://www.monoprice.com/product?p_id=15650 ), even HDMI to Ethernet to HDMI with 10m cable that worked on my Dell laptop&Dell24"monitor. In fact not all 5m HDMI cables are working with the TV and this Z370 Exreme4 PC. The old 10m HDMI cable works with same TV since 4 years on my old PC with ATI video card... I don't want to use additional video card as this is fanless HTPC. (Fans are not connected, I'm using CPU cooler only as standard attachment for heatpipe to CPU). CPU temp reads 74 deg.C after 1 hr in AIDA64 at 100% CPU+GPU load, only 40 deg.C in normal operation.  http://stanoev.snimka.bg/tuning/audio.930108.38506637" rel="nofollow - http://stanoev.snimka.bg/tuning/audio.930108.38506637  http://stanoev.snimka.bg/tuning/audio.930108.38506638" rel="nofollow - http://stanoev.snimka.bg/tuning/audio.930108.38506638 |
Replies:
Posted By: Xaltar
Date Posted: 07 Mar 2018 at 4:53pm
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" rel="nofollow - Onboard display out implementation is notoriously touchy about cable quality and signal degradation, particularly with HDMI. Have you tried a DVI to HDMI adapter on the DVI port? The signal strength may be better from the DVI port. ------------- 
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Posted By: deo71
Date Posted: 07 Mar 2018 at 8:08pm
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Thanks! Yes, I have tried the DVI to HDMI adapter that I'm using on the old ATI video card - the old card itself does not have HDMI, but the situation is the same, up to 5m... The ATI card is may be 10 year old. I have purchased VGA to HDMI adapter, but I'm afraid that it will not be the same quality. I will not play games, I need the PC for music and films, and was fascinated from technical specs of this motherboard, the sound is really nice and the temperatures are good without fans. (I'm not sure if you could see the pictures in the first post).
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