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The best and the worst in the world of universal port replicators - The worst: Lenovo ThinkPad

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On the surface this device seems great. Small and lightweight, it takes up barely any room. The Lenovo ThinkPad USB Port Replicator with Digital Video promises a quick and easy connection to the workspace peripherals you use every day.   All you have to do is simply plug in the USB cable for access to your monitor (device promises HD connection of 1920 x1200), Internet connection/LAN, headphones/speakers, USB printer, keyboard, mouse, and other USB devices. 
Buyer beware, at $149, the product does not deliver any of the promised functionality. Lacking a video card, the port replicator comes nowhere close to the promised resolution. The result: secondary monitor shows either blank or the resolution is firmly stuck at 1280 x 800 (the device is unable to handle anything over this setting!) regardless or monitor optimal resolution. Your graphics card is unable to see the secondary monitor because of the Lenovo device. You are, therefore, unable to change any displays settings without using the default Lenovo application that you need to install with the device. 
The device is also not designed to handle high traffic such as Remote Assistance causing the mouse to blink uncontrollably when trying to move around the remote screen on the secondary monitor or not appearing at all when not moving. While the USB connections appear to work fine, the device proves to be nothing more than a USB hub. Do not waste your money! Testing was conducted with the Lenovo X200, T400 and HP nc6930p, 6930p, and nc6400 alongside the Lenovo 2250 and HP 1908wm monitors. 

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