Acer TravelMate Spin B311R-31 User Manual - Page 58
Universal Serial Bus (USB
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Universal Serial Bus (USB) - 59 UNIVERSAL SERIAL BUS (USB) The USB port is a high-speed port which allows you to connect USB peripherals, such as a mouse, an external keyboard, additional storage (external hard disks), or any other compatible device. Note Two USB standards are currently available on Acer computers: USB 2.0 (High-speed USB) and USB 3.1 Gen 1 (SuperSpeed USB). USB 2.0 ports on Acer computers have a black tongue in the port, while USB 3.1 Gen 1 ports have a blue tongue. For best performance, USB 3.1 Gen 1 devices should always be plugged into USB 3.1 Gen 1 ports. Consult your device's documentation to see which standard it supports. You can also charge devices such as tablets, smartphones, or other devices through a USB port. Some USB 3.1 Gen 1 ports support charging devices when the computer is in Hibernate or turned off. Additionally, you can use a USB hub to connect multiple devices to a single USB port. Important When removing a USB storage device, you should right-click on the USB icon in the Windows task bar and select "Eject " to tell the operating system to stop using the device before removing it. Failure to do this may result in data loss or damage to your peripheral.