Multiple Monitors

Overview
Multi‑monitor laptops
Multi‑monitor desktops

Multi‑monitor Graphics Cards
USB Display Adapters
Wireless USB Display Adapters

Multi‑monitor PowerPoint
Multi‑monitor PowerPoint Viewer
Multi-monitor Screen Saver

Multiple Monitor Cards

It is really easy nowadays to extend your desktops and laptops with more monitors.

For desktops, you have a choice of adding new graphics cards that support more than one display output or you can add USB graphics card that connect to external USB 2.0 ports. Using USB 2.0 graphics cards has an additional advantage that it does not require you to open your desktop machine (which may void your warranties).

For laptops, the USB 2.0 graphics card option exists. Additionally, laptops support PCMCIA interface as well and you get PCMCIA-based graphics cards too.

Here is a list of vendors and links to their graphics cards for you to choose from:

Wireless USB Display Adapters

IOGear Wireless USB display adapter allows you to connect your system wirelessly to your monitor/projector! Your monitor/projector can be placed at 30 feet (9 metres) from your system. This makes it ideal for small conference rooms. Simply connect the projector to the VGA adapter and equip the laptops in your organization with wireless USB adapters (available separately).

More USB display cards from Amazon

USB 2.0 External Video Cards

A range of USB 2.0 External Video Cards to choose from.

The Compact USB VGA Multi Monitor Video Adapter from StarTech claims to support Windows CE 5.0 in addition to the usual Windows clients like Windows XP and Windows Vista. Support for Windows CE 5.0 means that you can use it with your mobile/handheld Windows devices to view the content from your mobile phones on your monitor.

Another one, USB 2.0 To VGA Display Adapter, again from StarTech seems to be designed to support higher resolutions (1600x1200 and 1920x1200) and allows you to connect upto 5 additional displays.

More USB display cards from Amazon

USB 2.0 External DVI Cards

Again a wide range of USB 2.0 External DVI Cards to choose from for connecting your digital monitors.

Additionally, the Sabrent USB 2.0 to DVI/VGA/HDMI Adapter allows you to use high-definition HDMI interface and allows you to link upto 6 displays!

Video Splitters

Matrox makes 2-way and 3-way video splitter boxes to allow 2 or 3 displays to be connected to the system. The way it provides this capability is to tell Windows that there is only one monitor but with a dimension of 2x or 3x the normal monitor width.

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