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‎04-13-2024 05:07 AM

HP Recommended
Product: HP EliteOne 870 27 inch G9 All-in-One Desktop PC (7F151AV)
Operating System: Microsoft Windows 11

I recently purchased an EliteOne 870 Desktop. I tried to plug in our second screen that we have previously used with our old computer (screen is LG Brand). When I put the HDMI cable into the back of the computer, the computer screen goes blank temporarily (indicating to me that it knows that something has just been plugged in), however it does not recognize the screen plugged in. I have tried multiple HDMI cables now. 
Can anyone please assist? Thank you.

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