Q: My old laptop's screen backlight has blown out. How do I connect another laptop to recover the photos and e-mails from this "dark" computer? A: You don't need another laptop, you need another ...

If you need a second screen for your PC, your laptop can come in clutch. Here's how to set it up on Windows and macOS.

If your Lenevo Thinkvision monitor is not able to connect to another Windows laptop for dual display, then follow this guide to fix it.

Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few ...

The ultimate in multitasking is being able to view your phone's display on your PC monitor, saving you the trouble of having to volley between two screens.