SOLVED: Shuttle DH110 not booting headless after pfSense 2.4.1 upgrade

  • I upgraded my Shuttle DH110 Core i3 6100T from pfSense 2.3.4 to 2.4.1 and found ever since then it will not boot headless.  I had upgraded the BIOS to the latest build, then downgraded to the previous version and through process of elimination, I've found that the mini PC won't boot unless I plug in the HDMI monitor I had on hand.  This was not an issue with pfSense 2.3.4.

    Is this something I could submit a bug report about?

  • I was able to resolve the problem by disabling the two serial ports in the BIOS, per this post:

  • Thanks.  I am building a mini-router with a Shuttle DH110, and this will be helpful info.  I am planning to install it under Proxmox as a Virtual Machine, which is one way of it not being headless even if the host is headless.

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