Extend Your View: How to Use Your Laptop Screen as a Second Monitor

How To Use Laptop Screen As Monitor

The world of multi-monitor setups can significantly boost your productivity and enhance your overall computing experience. But what if you don’t have a dedicated second monitor? Fear not! In many cases, you can leverage your trusty laptop as a second monitor for your desktop PC.

Here, we’ll explore the different methods for using your laptop screen as a monitor, guiding you through the setup process for each option.

Wired Connections: Traditional and Reliable

For a stable and reliable connection, utilizing a wired cable is the way to go. Here are two common wired methods:

  • HDMI Connection: This is the most common method for connecting two monitors. Ensure both your laptop and desktop have HDMI ports. Simply connect the two devices using an HDMI cable, and then adjust your display settings on both computers.

  • VGA Connection: While less common on newer laptops, some older models may still have a VGA port. Similar to HDMI, connect the VGA cable to both computers and adjust display settings.

Using Wired Connections:

  1. Power Up: Ensure both your laptop and desktop PC are powered on how to use laptop screen as monitor.
  2. Cable Connection: Connect the chosen cable (HDMI or VGA) to the respective ports on both devices.
  3. Laptop Display Settings: On your laptop, access the display settings. This can often be done by right-clicking on the desktop and selecting “Display Settings” or pressing the “Windows Key + P” (for Windows) and choosing the appropriate projection mode (e.g., Extend).
  4. Desktop Display Settings: On your desktop PC, access the display settings. You may need to click “Detect Display” to recognize the newly connected laptop screen.
  5. Configure the Display: Once both computers detect the connection, you can configure the display settings such as resolution and orientation for each monitor.

Wireless Freedom: Convenience with Limitations

For a wire-free experience, consider using a wireless connection. However, be aware of potential limitations like latency (delay) and lower resolution compared to wired connections. Here’s a common wireless method:

  • Wireless Display (Miracast): This technology allows you to project your desktop PC’s screen wirelessly to your laptop acting as a second monitor. Both devices need to be Miracast compatible.

Using Wireless Display:

  1. Projecting Mode: On your desktop PC, access the project settings. This can often be done by pressing “Windows Key + P” and selecting “Project to a wireless display.”
  2. Connect to Device: Choose your laptop from the list of available wireless displays. You may need to follow any additional on-screen instructions or enter a PIN displayed on your laptop for confirmation.
  3. Configure Display: Once connected, you can adjust the display settings for the wirelessly connected laptop screen on your desktop PC.

Important Notes:

  • Not all laptops or desktops support wireless display functionalities. Check your device manuals or manufacturer websites for compatibility information.
  • Wireless connections may experience lag or display limitations compared to wired options.


Utilizing your laptop as a second monitor can be a resourceful way to expand your workspace and enhance productivity. Whether you choose a wired connection for stability or a wireless option for convenience, the steps outlined above will guide you through the setup process. Remember to check your specific device’s compatibility for wireless display functionalities and choose the method that best suits your needs.

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