x570M Prov 4 Video Input not Supported
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=15972
Printed Date: 16 Aug 2025 at 6:53am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: x570M Prov 4 Video Input not Supported
Posted By: gseaborn
Subject: x570M Prov 4 Video Input not Supported
Date Posted: 10 Sep 2020 at 8:51am
My System consists of
X570M Pro 4
Ryzen 3700X
VENGEANCE® LPX 32GB (2 x 16GB) DDR4 DRAM 3200MHz C16 AMD Ryzen Memory
CRUCIAL MX500 2.5" 1TB SATA SSD
MSI GeForce GT 710 1GB LP V1 Video Card
I upgraded the UEFI to version 3.0, and now when I go to install an OS (RHEL 7.8), it gets part way and then video stops working, with a message that input is not supported. I am using a simple vga monitor (happens with 2 other monitors as well). When I tried using HDMI, the screen just freezes
I removed the CMOS battery for ten minutes, but same thing. I downgraded the UEFI to version 2.30, which was on the board originally, however, it is still happening.
I tried to go into the UEFI shell, but it says there isn't one.
I tried putting in a second GT 710 card, from another working system (exact same setup), and it still turns off the video with the "input not supported' message.
I have three other systems, with the exact same configuration, however, on this one something appears to have been corrupted, and installing/reinstalling the UEFI is not fixing it.
I have run out of ideas how to rectify this problem, and get this motherboard working properly again. Your assistance is appreciated!
Best regards,
Gregory
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Replies:
Posted By: gseaborn
Date Posted: 12 Sep 2020 at 6:41am
It just happened on another board.
Interesting, when I use my 19" HP monitor, the error message says something different:
Input Signal Out of Range
Change Settings to 1440x900 - 60 Hz
This is extremely frustrating. Obviously, I shouldn't have upgraded the UEFI (BIOS) to v3.0.
Your help is greatly appreciated!
Thanks,
Gregory
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