User manual HP PROBOOK 450 (E9Y09EA)

[. . . ] User Guide © Copyright 2013 Hewlett-Packard Development Company, L. P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Centrino are trademarks of Intel Corporation in the U. S. SD Logo is a trademark of its proprietor. [. . . ] Your computer may also have a USB charging port that provides power to an external device. An optional docking device or USB hub provides additional USB ports that can be used with the computer. Connecting a USB device CAUTION: To reduce the risk of damage to a USB connector, use minimal force to connect the device. ▲ Connect the USB cable for the device to the USB port. NOTE: The following illustration may look slightly different than your computer. You will hear a sound when the device has been detected. Using a USB device 47 NOTE: The first time you connect a USB device, a message in the notification area lets you know that the device is recognized by the computer. Removing a USB device CAUTION: To reduce the risk of damage to a USB connector, do not pull on the cable to remove the USB device. CAUTION: To reduce the risk of loss of information or an unresponsive system, use the following procedure to safely remove the USB device. To remove a USB device, save your information and close all programs associated with the device. Click the remove hardware icon on the Windows desktop in the notification area, at the far right of the taskbar, and then follow the on-screen instructions. Remove the device. Using optional external devices NOTE: For more information about required software and drivers, or to learn which computer port to use, see the manufacturer's instructions. To connect an external device to the computer: CAUTION: To reduce the risk of damage to the equipment when connecting a powered device, be sure that the device is turned off and the AC power cord is unplugged. If you are connecting a powered device, plug the device power cord into a grounded AC outlet. Turn off the device. To disconnect an unpowered external device, turn off the device, and then disconnect it on the computer. To disconnect a powered external device, turn off the device, disconnect it on the computer, and then unplug the AC power cord. Using optional external drives Removable external drives expand your options for storing and accessing information. A USB drive can be added by connecting the drive to a USB port to the computer. NOTE: HP external USB optical drives should be connected to the powered USB port to the computer. USB drives include the following types: ● ● ● ● 1. 44-megabyte diskette drive Hard drive module External optical drive (CD, DVD, and Blu-ray) MultiBay device 48 Chapter 7 External cards and devices 8 Drives Handling drives CAUTION: Drives are fragile computer components that must be handled with care. Refer to the following cautions before handling drives. Additional cautions are included with the procedures to which they apply. Observe these precautions: ● ● ● ● ● Before you move a computer that is connected to an external hard drive, initiate Sleep and allow the screen to clear, or properly disconnect the external hard drive. Before handling a drive, discharge static electricity by touching the unpainted metal surface of the drive. Do not touch the connector pins on a removable drive or on the computer. Handle a drive carefully; do not drop a drive or place items on it. Before removing or inserting a drive, shut down the computer. [. . . ] If necessary, clean the disc with filtered water and a lint-free cloth. Wipe from the center of the disc to the outer edge. If you find scratches, treat the disc with an optical disc repair kit available at many electronics stores. Disable Sleep mode before playing the disc. [. . . ]