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Hardware Options and Upgrades
Connecting a Powered Device
To connect the notebook to an optional external device that has a
power cord:
1. Be sure the device is turned off.
2. Connect the device to the jack or connector on the notebook
specified by the device manufacturer.
3. Plug the device power cord into a grounded electrical outlet.
4. Turn on the device.
If a properly connected external monitor or other display device
does not display an image, try pressing the Fn+F4 hotkeys to
switch the image to the new device.
To disconnect a powered external device from the notebook:
1. Turn off the device.
2. Disconnect the device from the notebook.
Connecting a USB Device
USB (universal serial bus) is a hardware interface that can be
used to connect external devices such as a USB keyboard,
mouse, drive, printer, scanner, or hub to the notebook.
A hub is a connecting device that can be either powered or
unpowered. USB hubs can be connected to a USB connector on
the notebook or to other USB devices. 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 an external power.
Unpowered hubs must be connected either to a USB
connector on the notebook or to a port on a powered hub.
8-2 Startup and Reference Guide––Part 2