User manual COMPAQ CQ2100 GETTING STARTED

[. . . ] The only warranties for Hewlett-Packard products and services are set forth in the express statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. hP shall not be liable for technical or editorial errors or omissions contained herein. HP assumes no responsibility for the use or reliability of its software on equipment that is not furnished by HP. [. . . ] Refer to the documentation provided by the product manufacturer for information about peripheral-specific problems, such as issues with a monitor or a printer. These tables present some symptoms of issues you may encounter while installing, starting up, or using your computer. "Computer does not start" on page 40 "Power" on page 41 "Display (monitor)" on page 41 "Keyboard and mouse (with cable)" on page 43 "Wireless keyboard and mouse" on page 44 "Audio and speakers" on page 47 "Internet access" on page 49 "CD and DVD players" on page 50 "Video" on page 52 "Hardware installation" on page 53 "Performance" on page 55 "Wireless devices" on page 55 "Remote control" on page 56 "Memory card reader" on page 56 Possible solution Ensure that the cables connecting the computer to the external power source are plugged in properly. When the cables connecting the computer to the external power source are plugged in properly, and the wall outlet is functioning, the green power supply light on the back of the computer should be on; if it is not, refer to the Limited Warranty and Support Guide to contact Support. Set the line voltage selection switch to the correct setting for your country/region, or refer to the Limited Warranty and Support Guide to contact Support. Test the wall outlet by connecting a different electrical device to it. Reinstall the old memory to return your computer to its original state. Use the Windows Task Manager to close any programs not responding, or restart the computer: 1 2 3 Press the Ctrl, Alt, and Delete keys on the keyboard simultaneously. Press and hold the On button for 5 or more seconds to turn off the computer. Click the arrow next to the red Shut Down button, and then click Restart. Possible solution (In addition to the information listed here, also refer to the documentation that came with your monitor. ) Reconnect the power plug to the back of the monitor and to the wall outlet. Press the space bar on the keyboard or move the mouse to make the screen display visible again. Press the Sleep button (select models only), or the Esc key on the keyboard, to resume from Sleep mode. Possible solution (In addition to the information listed here, also refer to the documentation that came with your monitor. ) If you use an HDMI connector on the graphics card (select models only) to connect your display (monitor) to the computer, because the default setting is the DVI connector, you hear no sound from your display. You should connect analog speakers to the computer Audio Line Out connector if you want to hear sound during the initial setup of the computer. To change settings and hear sound from your HDMI-connected display: NOTE: If you ever need to recover the computer operating system by using the Recovery Manager, you must repeat this procedure to activate sound for the HDMI connector. 1 Right-click the white Microsoft Volume icon (white speaker) on the taskbar, and then click Playback Devices. If you used Digital Output Device (HDMI), click OK to close the window. 0 KHz check box, and ensure that there is no check in the Dolby Digital check box and all other check boxes. 8 Images on the screen are too large or too small, or the images are fuzzy. [. . . ] To perform a system recovery using recovery discs: 1 If the computer is working, create a backup DVD containing all the data files you want to save. If the computer works, click the Windows Vista start button, click the Arrow button next to the Lock button, and then click Shut Down. Or If the computer is not responding, press and hold the On button for approximately 5 seconds, or until the computer turns off. Disconnect all peripheral devices from the computer, except the monitor, keyboard, and mouse. [. . . ]