23EnglishNo audio is heard from the computer.Check the following:• The volume may be muted. In Windows, look at the volume control(speaker) icon on the taskbar. If it is crossed-out, click on the icon anddeselect the Mute option.• The volume level may be too low. In Windows, look at the volume controlicon on the taskbar. You can also use the volume control buttons to adjustthe volume. See "Hotkeys" on page 14 for more detail.• If headphones, earphones or external speakers are connected to the line-out port on the computer, the internal speakers automatically turn off.I want to eject the optical drive tray without turning on thepower. I cannot eject the optical drive tray (tray design only.)There is a mechanical eject hole on the optical drive. Simply insert the tip of apen or paperclip and push to eject the tray.The keyboard does not respond.Try attaching an external keyboard to a USB 2.0 port on the computer. If itworks, contact your dealer or an authorized service center as the internalkeyboard cable may be loose.The infrared port does not work (selected models only.)Check the following:• Make sure that the infrared ports of the two devices are facing each other(+/- 15 degrees) a maximum of 1 meter apart.• Make sure there is a clear path between the two infrared ports. Nothingshould be blocking the ports.• Make sure you have the appropriate software running on both devices (forfile transfers) or you have the appropriate drivers (for printing to aninfrared printer).• During the POST, press to access the BIOS utility and verify that theinfrared port is enabled.• Make sure both devices are IrDA-compliant.The printer does not work.Check the following:• Make sure that the printer is connected to a power outlet and that it isturned on.