“The unit only has 2 USB ports. Can I use a USB hub so I can plug in my mouse, keyboard and document camera.”

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• The Lenovo IdeaCentre A540-24 All-In-One system, model number F0EM0003US ships with a total of five (5) USB Type A ports, version 2.0/3.1: Rear Ports - 1x Ethernet (RJ-45), 2x USB 2.0, 1x HDMI-out 1.4, 1x USB 3.1 Gen 1, 1x HDMI-in and Left Side Ports - 1x card reader, 2x USB 3.1 Gen 1, 1x headphone / microphone combo jack (3.5mm). You can use a universal USB Type A Hub to increase your USB ports, if you choose.

  Answered by Lenovo Product Expert 4 years ago

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