Intel Motherboards - can't get a hdmi signal from a z370 Pro 4m

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can't get a hdmi signal from a z370 Pro 4m

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=11493
Printed Date: 08 Nov 2025 at 7:32pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: can't get a hdmi signal from a z370 Pro 4m

Posted By: will88
Subject: can't get a hdmi signal from a z370 Pro 4m
Date Posted: 16 May 2019 at 6:16am

I have breadboarded the board with simply the power supply and a 8th gen processeser and the fan spins but no video output on the TV

Replies:

Posted By: ASRock_TSD
Date Posted: 17 May 2019 at 10:31am

Dear Will88,

Thank you for choosing ASRock.

Regarding your case, we provide some suggestions to try:
1.     Clear CMOS to load BIOS default.
Please remove the power cord, and follow the user manual p19 to clear CMOS.
http://asrock.pc.cdn.bitgravity.com/Manual/Z370M%20Pro4.pdf
2.     Only install CPU and one stick memory to check if the system can boot into BIOS properly.
3.     Please try to install one stick memory at A1, B1, A2 and B2 slot to check if the system can boot into BIOS properly.
4.     Reinstall CPU and check if CPU socket pin is fine.
5.     If it is possible, please change another CPU or DRAM to check if the system can boot into BIOS properly.

Also, please help to provide the CPU and BIOS version.
The BIOS version will show on a sticker near the BIOS ROM chip.

Thank you!
Yours truly,
ASRock TSD