You might have to replace the screen, but first try rebooting, checking for debris, and updating the graphics driver with a second monitor This article explains the possible ways to fix a laptop's ...

We may receive a commission on purchases made from links. While laptops from reliable brands like Dell and Apple typically ...

laptop doesn't have a fn+something combo to toggle internal/external display? Alternatively, check the bios. sometimes they have an option in there for primary display or "first" display, set it to ...

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Posts from this topic will be added to your daily email digest and your homepage feed. is a senior reviewer covering laptops and other gadgets. Monica was a writer for Tom’s Guide and Business Insider ...