Dell Precision T3400 (Late 2007): Sound and Speaker Problems
Sound and Speaker Problems: Dell Precision T3400 (Late 2007)
Table of contents
- Notes, Notices, and Cautions
- Contents
- 4 Contents
- Finding Information What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- About Your Computer Front View (Tower Orientation) 4 lower 3.5-inch drive bay
- 9 power button Press to turn on the computer.
- 14 network link light The network link light is on when a good connection
- Back View (Tower Orientation)
- Front View (Desktop Orientation) 4 hard drive activity light
- 7 power button Press to turn on the computer.
- 12 network link light The network link light is on when a good connection
- Back View (Desktop Orientation)
- Back Panel Connectors 1 mouse connector Plug a PS/2 mouse into the green mouse connector. Turn off
- 8 Rear Dual USB 2.0 connectors (2)
- 11 keyboard connector Setting Up Your Computer Changing Between Tower and Desktop Orientations
- Switching From Tower to Desktop Orientation Switching From Desktop to Tower Orientation Installing Your Computer in an Enclosure
- • Leave 10.2 cm (4 in) minimum clearance on all vented sides of the computer to permit the airflow required for proper ventilation.
- • Do not install your computer in an enclosure that does not allow airflow.
- Transferring Information to a New Computer Microsoft Windows XP
- Files and Settings Transfer Wizard (With the Operating System Media)
- Files and Settings Transfer Wizard (Without the Operating System Media)
- TRANSFER DATA TO THE DESTINATION COMPUTER: Power Protection Devices
- Surge Protectors Line Conditioners Uninterruptible Power Supplies (UPS)
- Cleaning Your Computer Computer, Keyboard, and Monitor Mouse (Non-Optical)
- Floppy Drive CDs and DVDs Troubleshooting Tools Power Lights
- • Eliminate interference. Some possible causes of interference are:
- Diagnostic Lights Diagnostic Light Codes During POST Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution Beep Codes Code Cause
- Code Description Suggested Remedy
- Code Description Suggested Remedy System Messages
- NOT A BOOT DISKETTE —Insert a bootable floppy disk and restart your computer.
- Hardware Troubleshooter Dell Diagnostics When to Use the Dell Diagnostics
- Starting the Dell Diagnostics From Your Hard Drive
- Starting the Dell Diagnostics From the Drivers and Utilities Disc
- Dell Diagnostics Main Menu Option Function
- Tab Function Troubleshooting
- Battery Problems Drive Problems
- Optical drive problems Problems writing to an optical drive Hard drive problems
- E-Mail, Modem, and Internet Problems RUN THE MODEM DIAGNOSTIC TOOL — VERIFY THAT THE MODEM IS COMMUNICATING WITH WINDOWS —
- Error Messages
- IEEE 1394 Device Problems
- Keyboard Problems Lockups and Software Problems The computer does not start up The computer stops responding
- A program stops responding A program crashes repeatedly A program is designed for an earlier Windows operating system A solid blue screen appears
- Other software problems Memory Problems F YOU RECEIVE AN INSUFFICIENT MEMORY MESSAGE — IF YOU EXPERIENCE OTHER MEMORY PROBLEMS —
- Mouse Problems RESTART THE COMPUTER — TEST THE MOUSE — Connect a properly working mouse to the computer, then try C HECK THE MOUSE SETTINGS — REINSTALL THE MOUSE DRIVER — See "Drivers" in your User’s Guide. R UN THE HARDWARE TROUBLESHOOTER — See "Hardware Troubleshooter" on
- Network Problems Power Problems
- Printer Problems
- Scanner Problems
- Sound and Speaker Problems
- Video and Monitor Problems The screen is blank
- The screen is difficult to read 3D image quality is poor Only part of the screen is readable

Sound and Speaker Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
No sound from speakers
NOTE: The volume control in MP3 and other media players may override the
Windows volume setting. Always check to ensure that the volume on the media
player(s) has not been turned down or off.
C
HECK THE SPEAKER CABLE CONNECTIONS — Ensure that the speakers are
connected as shown on the setup diagram supplied with the speakers. If you purchased
a sound card, ensure that the speakers are connected to the card.
E
NSURE THAT THE SUBWOOFER AND THE SPEAKERS ARE TURNED ON — See the
setup diagram supplied with the speakers. If your speakers have volume controls,
adjust the volume, bass, or treble to eliminate distortion.
A
DJUST THE WINDOWS VOLUME CONTROL — Click or double-click the speaker icon
in the lower-right corner of your screen. Ensure that the volume is turned up and that
the sound is not muted.
D
ISCONNECT HEADPHONES FROM THE HEADPHONE CONNECTOR — Sound from the
speakers is automatically disabled when headphones are connected to the computer’s
front-panel headphone connector.
T
EST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.
E
LIMINATE POSSIBLE INTERFERENCE — Turn off nearby fans, fluorescent lights, or
halogen lamps to check for interference.
R
UN THE SPEAKER DIAGNOSTICS
REINSTALL THE SOUND DRIVER — See "Drivers" in your User’s Guide.
R
UN THE HARDWARE TROUBLESHOOTER — See "Hardware Troubleshooter" on
page 41.
No sound from headphones
CHECK THE HEADPHONE CABLE CONNECTION — Ensure that the headphone cable is
securely inserted into the headphone connector (see "About Your Computer" on
page 11).
A
DJUST THE WINDOWS VOLUME CONTROL — Click or double-click the speaker icon
in the lower-right corner of your screen. Ensure that the volume is turned up and that
the sound is not muted.
58 Quick Reference Guide

