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- HDMI output stopped working via USB-C thunderbolt port

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10-24-2023 10:19 AM
Product: HP Spectre x360 Convertible Laptop PC 14-ea0023dx
Operating System: Microsoft Windows 11
I've been using an Anker USB-C to HDMI adapter to drive an ASUS HDMI external monitor via my Spectre USB3 thunderbolt port. It's been working fine for two years. Today it stopped working; the monitor indicates 'HDMI NO SIGNAL' and when I check the display settings on my laptop, it doesn't detect the HDMI monitor. I swapped HDMI cables, tried another ASUS monitor, and tried another USB-C to HDMI adapter without luck. I'm thinking something has changed in the laptop USB-C settings but I can't find anything obvious. Any help would be appreciated!
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