Compaq Presario V2000 Compaq Presario V2000 Notebook PC - Hardware and Softwar - Page 122

Connecting a USB Device, USB devices and are used to increase the number of USB devices - keyboard replacement

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Hardware Upgrades and Replacements Connecting a USB Device A device connected to the computer by USB can be used when the computer is running Windows. Universal Serial Bus (USB) is a hardware interface that can be used to connect an external device such as a USB keyboard, mouse, drive, printer, scanner, or hub to the computer or an optional expansion product. A hub is a connecting device that can be either powered or unpowered. USB hubs can be connected to a USB port on the computer or to other USB hubs. Hubs support varying numbers of USB devices and are used to increase the number of USB devices in the system. ■ Powered hubs must be connected to external power. ■ Unpowered hubs must be connected either to a USB port on the computer or to a port on a powered hub. 7-2 Hardware and Software Guide

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7–2
Hardware and Software Guide
Hardware Upgrades and Replacements
Connecting a USB Device
A device connected to the computer by USB can be used when
the computer is running Windows.
Universal Serial Bus (USB) is a hardware interface that can be
used to connect an external device such as a USB keyboard,
mouse, drive, printer, scanner, or hub to the computer or an
optional expansion product.
A hub is a connecting device that can be either powered or
unpowered. USB hubs can be connected to a USB port on the
computer or to other USB hubs. Hubs support varying numbers of
USB devices and are used to increase the number of USB devices
in the system.
■
Powered hubs must be connected to external power.
■
Unpowered hubs must be connected either to a USB port on
the computer or to a port on a powered hub.