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‎01-23-2024 01:16 PM

HP Recommended
Product: HP Pavilion - 15t-cs300 CTO
Operating System: Microsoft Windows 11

My laptop is connected to a second monitor and today my laptop screen went black. When I undo the cable  hdmi, the laptop display comes back on. I did a test and was told by Hp assistant that the video i/o port test failed. What does that mean and how do I fix it?

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