Lenovo Laptop manual Security keyhole, Earphone jack

Lenovo Portable Computer User Guide

1.Security keyhole

You can buy a security cable that can attach to the keyhole. Use it to anchor you computer to your desk or other large object to deny theft. The security cable’s instructions tell you how to use it.

Hint￿Before you buy the security cable￿make sure it fits your

computer’s security keyhole.

2.USB (Universal Serial Bus) ports

You can connect USB devices to your computer, such as mouse, full-size keyboard, and memory key, etc. The USB ports comply with USB2.0 standards, which enable data transfer speeds 40 times faster than the USB 1.1 standards. (The ports also support USB 1.1.)

Hint￿The USB device supports PnP (Plug and Play) technology, which means you can install and remove the USB device when your computer is on.

3.Microphone jack

Enable connection of a microphone for audio input.

4.Earphone jack

Enable connection of a headphone or external speaker for audio output. When you connect the headphone or other device, internal speakers are automatically disabled.

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