FAQ for what is USB Graphics Adapter, working for, how to use, and questions you meet or unknown on applications of USB Graphics Card.

1. What is DisplayLink technology?

DisplayLink lets you quickly and easily connect multiple monitors to your PC with a simple USB connection. Host software is installed on your computer to communicate with the DisplayLink device.

2. Why do I need a second monitor for my PC?

You’d be amazed at how much it simplifies your computing experience. It helps you organize your digital workspace and do more things at one time.

3. Does it work with Android?

Yes, a driver is available in the Play Store for Android OS 5.0 (Lollipop) and later.

4. Does it work with Linux?

A release is available to be compatible with Ubuntu 14.04.2 LTS. It is available from the Ubuntu Downloads Page.
DisplayLink has not created drivers for other packages, however the Ubuntu driver contains an open source component which is designed to be modified to enable the Ubuntu driver to be repackaged for any other Linux distro by the user community.
Support for DL-1×5 and DL-1×0 devices is provided by the open source udl driver.

5. What do I need to add more monitors to my PC?

There are three ways to expand your view with DisplayLink technology:

USB Docking Stations:
laptop users often want the extra features and convenience available in a USB docking station. In addition to USB graphics, USB docking stations include an extra array of peripherals that allow you to plug in your mouse, keyboard, printer, iPod, speakers, microphone, network connection and just about any other USB device – including additional USB graphics adapters for even more screen space! All of this can then be connected by just one USB cable to your notebook, making docking and undocking easy.

USB Graphics Adapters:
if you already have an extra monitor collecting dust then you can put it to use with a USB graphics adapter. Simply connect the HDMI/DVI/VGA connector of your existing monitor to the adapter and plug the USB cable from your PC into the adapter. You will need one adapter for each additional monitor you wish to connect to your computer allowing you up to six USB displays – in addition to any you may already have!
Before purchasing DisplayLink devices, please make sure that your computer meets the minimum system requirements.
These USB graphics products are available from many major brands and can be found in the DisplayLink shop.

USB Monitors:
The DisplayLink hardware is built into the monitor for an all-in-one solution. A USB monitor is the easiest way to add an additional monitor to your PC in one product. Just plug in the USB monitor into any available USB port and you’re ready to enjoy the productivity benefits of multiple monitors.

6. Does USB provide enough bandwidth for displays?

By looking at the numbers, it may appear that USB cannot provide enough bandwidth to support a high resolution displays, especially multiple displays. This is only correct if you try to send every pixel of the image, but DisplayLink’s award winning technology uses the CPU and GPU in your computer to reencode the desktop image in realtime. This drastically reduces the bandwidth required to send pixels to the display, resulting in a high quality, low latency USB display. It does not use all the USB bandwidth, and you will notice no difference when using other USB peripherals at the same time.

7. Can I tell I’m using a USB display?

DisplayLink’s compression technology has been designed around providing a seamless desktop experience between your traditional displays and USB displays. For the vast majority of PC applications, using a USB display will be just like using your primary monitor.

8. How many USB monitors can be supported by a single PC?

Up to 6 USB displays are supported on Windows, and up to 4 displays on Mac OS X. Ubuntu supports up to 2 displays and Android supports a single mirrored display.

9. What resolutions can USB displays support?

USB 3.0 to HDMI/DVI: Support display resolution: 2048×1152@32bit
USB to VGA: 1920×1080;

10. Can I watch movies using a Ugreen USB graphic adapter?

Sure! DisplayLink technology delivers full-screen video playback over USB. Just make sure that your computer meets the minimum system requirements for video playback.

11. Is USB graphic adapter technology suitable for gaming?

While USB graphic adapter technology is targeted primarily to productivity and video applications, it is suitable for the casual gamer. If you’re a “power gamer”, looking for every edge possible over your opponents, you might want to go another route.

12. Is it hard to set up?

Ugreen USB graphic adapters and docking station use the latest DisplayLink technology, which makes using multiple monitors easy. Just install the DisplayLink software and connect a USB cable between the DisplayLink enabled monitor/adapter/peripheral and your PC. DisplayLink’s software will automatically configure the monitor for optimal picture quality and stores those settings for future use.

13. USB graphic adapter support audio and video?

DVI and VGA only carry video signal, and can not support audio.
But HDMI support synchronized audio and video.

14. Ugreen USB 3.0 to Dual DVI Graphic adapter support 2 HDMI at the same time?
Ugreen item 40246 USB 3.0 to dual DVI graphic adapter features 2 DVI outputs, and can add 2 external displays simultaneously;
DVI Output 1: DVI 24+5, supports DVI and VGA output(with a VGA adapter)
DVI Output 2: DVI 24+1, support DVI and HDMI output(with an HDMI adapter)
Therefore, it can support 2 DVI monitors, 1 DVI+ 1 HDMI monitor, 1 DVI+ 1 VGA monitor, 1HDMI+ 1 VGA monitor, but it does not support 2 HDMI or 2 VGA monitors.

15. Ugreen USB 3.0 docking station can support HDMI, DVI and VGA monitors simultaneously?
Ugreen USB 3.0 universal docking station has 3 video output: HDMI, DVI 24+5 and VGA.
It allows you to add 2 external monitors simultaneously, HDMI+VGA, or HDMI+ DVI.
But VGA and DVI can not be used at the same time;