Dell Precision T7400: 13 network link light The network link light is on when a good connection exists
13 network link light The network link light is on when a good connection exists: 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
4 5.25-inch drive
Can hold a CD/DVD drive, or a media card reader, a floppy
bay with special
drive, or a SATA hard drive in a 5.25-inch drive bay carrier. The
3.5-inch drive
drive-panel plate shown here is only for use with a floppy drive
panel plate
or media card reader; you can install the plate in front of any of
the four 5.25-inch drive bays. For more information, see "Drive
Panels" in your User’s Guide.
The hard-drive carrier is only for use in the 5.25-inch drive
bays. The floppy-drive/media card reader and hard-drive
carriers are not interchangeable.
5 hard-drive
The hard drive light is on when the computer reads data from
activity light
or writes data to the hard drive. The light might also be on
when a device such as your CD drive is operating.
6 IEEE 1394
Use the IEEE 1394 connector for high-speed data devices
connector
such as digital video cameras and external storage devices.
7USB 2.0
Use the front USB connectors for devices that you connect
connectors (2)
occasionally, such as flash memory keys, cameras, or bootable
USB devices.
Dell recommends that you use the back USB connectors for
devices that typically remain connected, such as printers
and keyboards.
8 power button,
Press the power button to turn on the computer. The light in
power light
the center of this button indicates the power state. For more
information, see "Controls and Lights" in your User’s Guide.
NOTE: To avoid losing data, do not use the power button to
turn off the computer. Instead, perform an operating system
shutdown.
9 Dell badge You can rotate the Dell badge so that "Dell" is read horizontally,
depending on whether you use the desktop or tower orientation.
10 headphone
Use the headphone connector to attach headphones.
connector
11 microphone
Use the microphone connector to attach a personal
connector
computer microphone for voice or musical input into a sound
or telephony program.
12 diagnostic
Use these lights to help you troubleshoot a computer problem
lights (4)
based on the diagnostic code. For more information, see
"Diagnostic Lights" in your User’s Guide.
13 network link light The network link light is on when a good connection exists
between a 10-Mbps, 100-Mbps, or 1000-Mbps (or 1-Gbps)
network and the computer.
Quick Reference Guide 19
