User manual HP COMPAQ NW8440

[. . . ] Getting Started HP Compaq Notebook PC Document Part Number: 406853-001 April 2006 This guide explains how to set up your hardware and software, and begin using the computer in Microsoft® Windows®. Enhanced for Accessibility © Copyright 2006 Hewlett-Packard Development Company, L. P. registered trademarks of Microsoft Corporation. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. The information contained herein is subject to change without notice. [. . . ] If the computer turns on, one of the batteries may need to be replaced. If the battery light on the front of the computer is blinking, the battery has reached a low-battery condition, which may not allow the computer to start up. Plug the computer to an AC outlet using the AC adapter to start the computer and allow the battery to charge. 3­2 Getting Started Troubleshooting The computer screen is blank If the computer is on but the screen is blank, the computer may be in standby or hibernation, may not be set to display the image on the computer screen, or the display switch may not be functioning properly. Try the suggestions below to resolve the issue: To resume from standby or restore from hibernation, briefly press the power button. Standby and hibernation are energy-saving features that can turn off the display. Standby and hibernation can be initiated by the system while the computer is on but not in use, or when the computer has reached a low-battery condition. To change these and other power settings, select Start > Control Panel > Performance and Maintenance > Power Options. To transfer the image to the computer screen, press fn+f4. On most models, when an optional external display device, such as a monitor, is connected to the computer, the image can be displayed on the computer screen or the external display, or on both devices simultaneously. When you press fn+f4 repeatedly, the image alternates among the computer display, one or more external display devices, and simultaneous displays on all devices. Press the display switch on the computer to confirm that it moves freely. The display switch is normally located on the upper-left corner of the keyboard. Getting Started 3­3 Troubleshooting Software is functioning abnormally If the software becomes unresponsive or responds abnormally: Restart the computer: In Windows XP Home, select Start > Turn Off Computer > Restart. In Windows XP Professional, select Start > Turn Off Computer > Restart > OK. (If you have been registered to a domain, the button you click will be called Shut Down instead of Turn Off Computer. ) If you cannot restart the computer using these procedures, refer to the next section, "The computer is turned on but not responding. " Run a virus scan. For information about using the antivirus resources on your computer, refer to "Protect the computer from viruses" in Chapter 2, "Next steps. " 3­4 Getting Started Troubleshooting The computer is turned on but not responding If the computer is turned on, but not responding to software or keyboard commands, turn off the computer by using the standard shutdown procedure: 1. Save your work and close all open applications. Shut down the computer through the operating system by selecting Start > Turn Off Computer > Turn Off. a network domain, the button If you have been registered toDown instead of Turn Off you click will be called Shut Computer. If you are unable to shut down the computer with these procedures, try the following emergency procedures in the sequence provided: Ä CAUTION: Emergency shutdown procedures result in the loss of unsaved information. 1. Press and hold the power button for at least 5 seconds. Disconnect the computer from external power and remove the battery. Getting Started 3­5 Troubleshooting The computer is unusually warm It is normal for the computer to feel warm to the touch while it is in use. But if the computer feels unusually warm, it may be overheating because a vent is blocked. If you suspect that the computer is overheating, allow the computer to cool to room temperature. Then be sure to keep all vents free from obstructions while you are using the computer. Ä CAUTION: To prevent overheating, do not obstruct vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as such as an adjoining printer, or a soft surface, such as pillows or thick rugs or clothing, to block airflow. computer internal The fan in theand preventstarts up automatically to coolthe components overheating. It is normal for internal fan to cycle on and off during routine operation. 3­6 Getting Started Troubleshooting An external device is not working If an external device does not function as expected: Turn on the device as instructed in the device user guide. Some devices may not be powered by the computer, and must be turned on before the computer is turned on. Be sure that All device connections are secure. The device is receiving electrical power. [. . . ] The HP Backup and Recovery Manager opens. Click Create recovery CDs and DVDs to recover the system (recommended). 4. Click Next. The Recovery Media Creator Wizard opens. Click Write to CD/DVD, and then click Next. [. . . ]