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February 10th, 2025 22:26
Second external monitor not recognizing HDMI signal from first external monitor
Dell P2723QE
My laptop is connected to monitor 1 via USB-C and is fully functional. Monitor 2 is connected to Monitor 1 via HDMI 4K Ultra HD cable. Monitor 2 returns a "No HDMI signal" message and goes into Sleep Mode.
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ejn63
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28.7K Posts
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February 11th, 2025 00:23
Are both monitors the same? Daisy chaining monitors requires Thunderbolt or displayport -- HDMI can't be used for daisy chaining. Some monitors will support HDMI pass through though -- but it sounds like yours does not.
FinnTastic
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February 11th, 2025 15:58
@ejn63 You're absolutely right. HDMI daisy chaining doesn't work for my configuration. I needed to connect HDMI from laptop to monitor 2 and all is well.