Here’s how to add three monitors to your box.
Connect each monitor to power and turn each monitor on.
Examine the ports on your PC to determine the video outputs you have available.
LanaStock / Getty Images
Examine the video inputs available on the three monitors you’ll be using.
HDMI and DisplayPortare the most common video connections.
Different monitors can use different video connections.
Connect the video cable for the first monitor to your PC and then to the monitor.
Wait a moment for the PC to detect the monitor and display an image.
If it’s successful, repeat this for the second monitor and, finally, the third.
Right-punch the Windows desktop and clickDisplay tweaks.
A diagram will be visible at the top of theDisplaymenu.
Scroll down until you find theMultiple Displaysoption.
smack the drop-down field and thenExtend these displays.
Scroll back to the top of theDisplaymenu.
It will now show three rectangles, each labeled with a number.
These rectangles show the position of each monitor on your Windows desktop.
Verify the monitors are arranged as you want by opening a window and dragging it between monitors.
Can My Computer Support Three Monitors?
LanaStock / Getty Images
A computer needs the proper hardware and software to support three monitors at once.
You instead need to examine the physical connectors available and the published specifications for your PC’s graphics hardware.
Most desktops can only handle video connections from one graphics solution at a time.
You’ll also want to check the published specifications for your graphics hardware.
Determine the hardware your PC uses with a Windows Search forDevice Manager.
OpenDevice Managerand then findDisplay adaptersin the drop-down list.
Expand this option to view the graphics hardware your PC uses.
When you know the graphics hardware, hit your favorite search engine.
You may have difficulty finding official specifications for hardware more than five years old.
Beware of results from unofficial websites.
Many third-party websites attempt to compile graphics hardware specifications, but most are unreliable.
How Do I Connect 3 Monitors With an HDMI Splitter?
It can only display a single video output on numerous monitors.
There’s no easy way to expand a PC’s display output limitation with a splitter or adapter.
It’s an expensive, niche option and only works with a small selection of PCs.
Connecting 3 Monitors With a Daisy Chain
Another option for connecting three monitors is a daisy chain.
HDMI does not support daisy chains.
Then the first monitor connects to the second and the second to the third.
A daisy chain is functional but has limitations.
The first and second monitors must have video connections that can work as an output.
Your PC must support this feature.
Most PCs sold in the last few years will, but older models often don’t.
LanaStock / Getty Images
FAQ
First,check that your laptop graphics card supports three monitors.
Then, connect your laptop and monitors to a dock and go toSettings>System>Display.
If you don’t see all of the monitors, scroll down to Multiple Displays and selectDetect.
Retailers likeBest BuyandStapleshave electronics recycling programs.
Dell and HP also have drop-off recycling locations.
There may also be recycling centers in your area that take monitors.
