Dell Precision T7400: Back Panel Connectors 6 link integrity light Green — A good connection exists between a 10-Mbps
Back Panel Connectors 6 link integrity light Green — A good connection exists between a 10-Mbps: Dell Precision T7400
Table of contents
- Notes, Notices, and Cautions
- 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 • How to reinstall my operating system
- What Are You Looking For? Find It Here 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 Disc) PREPARE THE DESTINATION COMPUTER FOR THE FILE TRANSFER — COPY DATA FROM THE SOURCE COMPUTER —
- TRANSFER DATA TO THE DESTINATION COMPUTER — Files and Settings Transfer Wizard (Without the Operating System Disc) CREATE A WIZARD DISK — COPY DATA FROM THE SOURCE COMPUTER —
- TRANSFER DATA TO THE DESTINATION COMPUTER — Microsoft Windows Vista Power Protection Devices
- Surge Protectors Line Conditioners Uninterruptible Power Supplies
- About Your Computer Front View (Tower Orientation) 1–3 5.25-inch drive bays
- 13 network link light The network link light is on when a good connection exists
- Back View (Tower Orientation)
- Back Panel Connectors 6 link integrity light Green — A good connection exists between a 10-Mbps
- 11 serial connectors (2)
- Cleaning Your Computer Computer, Keyboard, and Monitor Mouse (Non-Optical)
- Floppy Drive CDs and DVDs Troubleshooting Tools Power Lights
- • If the power light is off, the computer is either turned off or is not receiving power.
- 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
- Beep Codes Code Cause Code Description Suggested Remedy
- Code Description Suggested Remedy System Messages
- Hardware Troubleshooter Windows XP:
- Windows Vista: 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 IF YOU EXPERIENCE OTHER MEMORY PROBLEMS — Mouse Problems C HECK THE MOUSE CABLE —
- RESTART THE COMPUTER — C HECK THE MOUSE SETTINGS — Network Problems
- Power Problems
- Printer Problems Scanner Problems
- Sound and Speaker Problems
- Video and Monitor Problems
- The screen is difficult to read
- 3D image quality is poor Only part of the screen is readable

Back Panel Connectors
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1 parallel connector Connect a parallel device, such as a printer, to the parallel
connector. If you have a USB printer, plug it into a USB connector.
NOTE: The integrated parallel connector is automatically
disabled if the computer detects an installed card containing
a parallel connector configured to the same address. For more
information, see "System Setup Options" in your User’s Guide.
2 mouse connector Plug a standard PS/2 mouse into the green mouse connector.
Turn off the computer and any attached devices before you
connect a mouse to the computer. If you have a USB mouse,
plug it into a USB connector.
3 IEEE 1394
Use the IEEE 1394 connector for high-speed data devices such
connector
as digital video cameras and external storage devices.
4 line-in connector Use the blue line-in connector to attach a playback device
such as an MP3 player, CD drive, or VCR. On computers with
a sound card, use the connector on the card.
5 line-out connector Use the green line-out connector to attach headphones and
most speakers with integrated amplifiers. On computers with
a sound card, use the connector on the card.
6 link integrity light Green — A good connection exists between a 10-Mbps
network and the computer.
Orange — A good connection exists between a 100-Mbps
network and the computer.
Yellow — A good connection exists between a 1000-Mbps
(or 1-Gbps) network and the computer.
Off — The computer is not detecting a physical connection to
the network.
Quick Reference Guide 21

