Dell Inspiron 4000 Service Manual page 46

Ensure that the speakers are turned on—
Adjust the speaker controls— Adjust the volume, bass, or treble controls to eliminate distortion.
Adjust the Windows volume control—
that the volume is turned up and that the sound is not muted.
Test the speakers— Plug the speaker audio cable into the headphone connector on the side of the computer. Ensure that
the headphone volume control is turned up. Play a music CD.
Run the speaker self-test— Some speaker systems have a self-test button on the subwoofer. See the speaker
documentation for self-test instructions.
Move the subwoofer away from the computer or monitor—
that the subwoofer is at least 60 cm (2 ft) away from the computer or external monitor.
Eliminate possible interference—
Reinstall the Sound (audio) driver—
98, Windows Me, or Windows 2000).
Printer Problems
If you cannot print to a parallel port printer
Verify the printer cable connections—
Solutions Guide that came with your computer).
Test the electrical outlet— Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Ensure that the printer is turned on—
Verify that the printer is recognized by Windows—
1. Click the Start button, point to Settings, and then click Printers.
If the printer is listed, right-click the printer icon, click Properties, and then select the Details tab.
2. Ensure that the Print to the following port: setting is LPT1 (Printer Port).
Reinstall the printer driver— See "Installing the Printer Driver" in the Dell Solutions Guide that came with your computer.
If you cannot print to a USB printer
Verify the printer cable connections—
Dell Solutions Guide that came with your computer).
Test the electrical outlet— Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Ensure that the printer is turned on—
Verify that the printer is recognized by Windows—
1. Click the Start button, point to Settings, and then click Printers.
If the printer is listed, right-click the printer icon, click Properties, and then select the Details tab.
2. Ensure that the Print to the following port: setting is USB.
Reinstall the printer driver— See "Installing the Printer Driver" in the Dell Solutions Guide that came with your computer.
Modem Problems
NOTICE: Connect the modem to an analog telephone wall jack only. Connecting the modem to a digital telephone network damages the modem.
Check the telephone jack— Disconnect the telephone line from the modem and connect it to a telephone. Listen for a dial
tone.
Connect the modem directly to the telephone wall jack—
answering machine, fax machine, surge protector, or line splitter, then bypass them and connect the modem directly to the
telephone wall jack with the telephone line.
Check the connection— Verify that the telephone line is connected to the modem.
Check the telephone line— Try using a different telephone line. If you are using a line that is 3 m (10 ft) or more in length,
try a shorter one.
Run the modem diagnostics— Click the Start button, point to Programs—> 3Com NIC Utilities, and then click 3Com NIC
Doctor.
See the setup diagram supplied with the speakers.
Double-click the yellow speaker icon in the lower-right corner of your screen. Be sure
If your external speaker system includes a subwoofer, ensure
Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
See the utilities and drivers section for your computer's operating system
Ensure that the printer cable is connected (see "Connecting a Printer" in the Dell
See the documentation supplied with the printer.
Ensure that the printer cable is connected correctly (see "Connecting a Printer" in the
See the documentation supplied with the printer.
If you have other telephone devices sharing the line, such as an
(Windows