Intel Motherboards - No HDMI output on BIOS and post

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No HDMI output on BIOS and post

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=4170
Printed Date: 09 Nov 2025 at 12:06pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: No HDMI output on BIOS and post

Posted By: smi2000
Subject: No HDMI output on BIOS and post
Date Posted: 05 Jan 2017 at 1:31am

" rel="nofollow - Hi people.

In my company we are using the following hardware combination: a Asrock motherboard model IMB-150 and a LG tv model 43LH541V-ZD. Everything worked ok until we buy a new batch of TV's identical but with a newer firmware version. With this new combination in approximately 50% of the tests I made I cannot see the display when booting or when I enter BIOS (pressing key without seeing anything).

I have tried a faulty board with other TV's or the older TV model and I have no problem.

I asked LG to try to downgrade the TV firmware but the support guys told me this is impossible...

I have tried a lot of BIOS combinations with the same luck.

Does anybody know a solution or any new test a should do?

Thanks.