How-To Guides: Master Laptop Screen Extenders & Multi-Monitor Setups

Part 1: How Print Screen Works with Dual or Extended Monitors

Using a dual monitor setup expands your screen space, but it can also confuse users when it comes to taking screenshots. Here’s what you need to know:

• Default Behavior: When you press PrtScn on Windows, the system captures both screens in one wide image.
• Extended vs. Duplicate Mode: In extended mode, the two displays are treated as one large canvas. In duplicate mode, they mirror each other.
• Why It Matters: If you're trying to capture only one window or monitor, you’ll need specific tools or shortcuts.

Part 2: Screenshot Methods by Use Case

1. Capture Both Screens at Once

• Press PrtScn: Captures both screens.
• Press Windows + PrtScn: Saves the screenshot directly to the "Screenshots" folder.

Best for:

• Wide comparisons
• Design work across monitors

2. Capture One Monitor Only

To screenshot only one monitor:

• Set it as Primary Display:
  • Right-click desktop → Display settings
  • Choose the monitor → Tick "Make this my main display"
• Then use PrtScn or Snipping Tool to capture the active screen

Alternative: Use tools like Lightshot or Greenshot to select the monitor manually.

3. Capture Only the Active Window

• Press Alt + PrtScn
• This captures only the window that’s currently active, regardless of screen

Best for:

• Capturing browser, app, or dialog boxes

4. Select Custom Area

• Windows + Shift + S (Windows): Opens Snip & Sketch overlay
• Command + Shift + 4 (Mac): Lets you select an area with crosshairs

Use case:

• Precise selections without cropping afterward

Part 3: Built-in & Third-Party Screenshot Tools Compared

Tool	System	Best For	Notes
Snipping Tool	Windows	Quick region capture	Built-in, basic
Snagit	Win/Mac	Professionals, tutorials	Paid, advanced
Lightshot	Win/Mac	Lightweight, instant sharing	Free
Greenshot	Windows	Configurable hotkeys, open-source	Free, Windows-only

These tools give more flexibility, including multi-monitor awareness, shortcut customization, and instant editing options.

Part 4: Enhance Your Multi-Screen Setup with Cevaton T2 Portable Monitor

If you're regularly capturing screenshots in a multitasking environment, consider using a second screen that makes the process smoother. The Cevaton T2 Portable Monitor offers the ideal second screen experience:

Why T2 Helps:

• You can drag editing or reference apps to the second screen, making screenshot documentation faster
• Need to screen record while capturing part of a document? Split tasks easily
• No drivers or cables clutter—just a single USB-C cable and it’s live

T2 Specs at a Glance:

• 14” Full HD 1080p IPS Display (300cd/m²)
• Ultra-light (1.35kg), 23mm thin
• Works with Windows, Mac, and even Android

T2 is ideal for students, developers, content creators, and remote professionals who need extra workspace wherever they go.

Part 5: Troubleshooting Common Dual-Monitor Screenshot Issues

Issue 1: Only one screen is captured

• Fix: Ensure you're in extended mode, not duplicate

Issue 2: Screenshot is blank or low quality

• Fix: Try a third-party tool; check screen resolution settings

Issue 3: PrtScn key does nothing

• Fix: Some keyboards require Fn + PrtScn, or you can use On-Screen Keyboard

Issue 4: Screenshot isn’t saving

• Fix: Use Win + PrtScn instead of just PrtScn to auto-save

Part 6: FAQ – Answering Top User Questions

How do I screenshot just one monitor with dual screens?

Use Snipping Tool or set the monitor as primary, then press PrtScn.

Can screenshots show both monitors?

Yes. PrtScn or Win + PrtScn captures both.

How do I use Snipping Tool with extended displays?

Open the tool, drag the selection box across either or both screens.

Why is my screenshot low resolution?

Check display settings. Screenshots reflect screen resolution.

What if my keyboard lacks a PrtScn key?

Use the on-screen keyboard, or remap keys via PowerToys.

Conclusion

With the right methods and tools, taking screenshots across dual monitors can be simple and efficient. And when paired with a reliable second screen like the Cevaton T2 Portable Monitor, your multitasking, documentation, and creative workflow become faster and more organized.

Whether you're working from home, a university cafe, or on the road, this combination of smart shortcuts and compact gear will keep your productivity sharp.