User manual HP PAVILION DV6-3126SA

[. . . ] Notebook PC User Guide © Copyright 2010 Hewlett-Packard Development Company, L. P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel is a trademark of Intel Corporation in the U. S. registered trademarks of Microsoft Corporation. [. . . ] HDMI cannot be used in Power-saving mode. When switching between AC and battery power, you are notified that the computer is about to switch graphics modes. If you prefer, choose to continue using the same graphics mode. While the computer switches modes, the screen goes blank for a few seconds. When the switch is complete, a notification appears in the notification area, and the screen image reappears. NOTE: When select computer models are in slate mode, the screen orientations are reset when switching between graphics modes. To determine which graphics mode you are using, right-click on the Windows desktop, and then click Configure Switchable Graphics. Shutting down the computer CAUTION: Unsaved information is lost when the computer shuts down. NOTE: If the computer is in the Sleep or in Hibernation, exit Sleep or Hibernation before shutting down. The shut down command closes all open programs, including the operating system, and then turns off the display and computer. Shut down the computer when: Replacing the battery or accessing components inside the computer. Connecting an external hardware device that does not connect to a USB port. Disconnecting from external power for an extended period. Although the computer can be shut down with the Power button, HP recommends using the Windows shut down command. Save your work, and close all open programs. Click Shut down. 52 Chapter 5 Power management If the computer is unresponsive and you are unable to use the recommended shutdown procedures, try the following emergency procedures: 1. Press ctrl+alt+delete, and then press the Power button. Press and hold the Power button for at least five seconds. Disconnect the computer from external power, and remove the battery. Shutting down the computer 53 6 Drives Handling drives Drives are fragile computer components that must be handled with care. Adhere to the following cautions before handling drives: CAUTION: To reduce the risk of damage to the computer, damage to a drive, or loss of information: Before moving 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. Do not drop a drive or place items on it. Before removing or inserting a drive, shut down the computer. [. . . ] In the System area, click Device Manager. In the Device Manager window, click the arrow next to the type of driver you want to uninstall and reinstall (for example, DVD/CD ROMs, Modems, and so on). Right-click the device listing and click Uninstall. When prompted, confirm that you want to delete the device, but do not restart the computer. [. . . ]