![My laptop only fills the external monitor screen if a second monitor is attached -- any ideas on how to fix it? : r/computers My laptop only fills the external monitor screen if a second monitor is attached -- any ideas on how to fix it? : r/computers](https://preview.redd.it/my-laptop-only-fills-the-external-monitor-screen-if-a-v0-vd1htzj4osua1.jpg?width=4080&format=pjpg&auto=webp&s=def51ec76f595261661f0b7041189c4c36402162)
My laptop only fills the external monitor screen if a second monitor is attached -- any ideas on how to fix it? : r/computers
![If you connect a Mac laptop to an external monitor, can you have only the external monitor enabled while the notebook lid is open? - Quora If you connect a Mac laptop to an external monitor, can you have only the external monitor enabled while the notebook lid is open? - Quora](https://qph.cf2.quoracdn.net/main-qimg-a17daba7467a0a8a56142baa4cefcf70.webp)
If you connect a Mac laptop to an external monitor, can you have only the external monitor enabled while the notebook lid is open? - Quora
![Amazon.com: Alecewey Portable Monitor for MacBook Laptop Screen Extender Dual Monitor Display 12'' Inch FHD 300 Nit External Monitor with Type-C/Speaker P1M Only for 13.3'' MacBook : Electronics Amazon.com: Alecewey Portable Monitor for MacBook Laptop Screen Extender Dual Monitor Display 12'' Inch FHD 300 Nit External Monitor with Type-C/Speaker P1M Only for 13.3'' MacBook : Electronics](https://m.media-amazon.com/images/I/81tIoq5E4iL.jpg)