Question Laptop screen only displays when connected to a external display

71ramosalex

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Aug 14, 2018
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Morning all,

Over the last week I have been using an old Dell monitor (native resolution 1920 x 1200, 60Hz) as "an extended display" of my HP Omen 15 laptop (native resolution 1920 x 1080 60Hz). during the day I usually use my work laptop with the monitor and I have Omen off to the side playing Netflix or something in the background, then at night I connect it to the monitor for gaming and what not. As of this morning when I turn on my Omen, the LED backlight turns on, and the Omen Logo appears, but after that it's black and nothing will display. when I connect it the monitor the laptop display turns on and I can switch between duplicating and extending displays and currently have my laptop display as the main display. however as soon as I disconnect HDMI or tell windows to display only on the laptop, everything goes black again. I have barely been able to get it back to display after telling it to display only on the laptop. what gives?

Thanks for all your help!
 

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