Page 2 - System Codes and Messages; Diagnostic Codes
Back to Contents Page System Codes and Messages Dell™ Dimension™ 4400 Diagnostic Codes POST Beep Codes System Messages Diagnostic Codes Your computer is equipped with four diagnostic lights, which are labeled "A," "B," "C," and "D" on the back of the computer...
Page 5 - Documentation; Printed Documentation; Online Documentation; Tell Me How; Help File and Associated Files; Viewing the; Tell Me How; Help File
Back to Contents Page Documentation Dell™ Dimension™ 4400 Printed Documentation Online Documentation Printed Documentation To save PDF files (files with an extension of .pdf ) to your hard drive, right-click the document title, click Save Target As in Microsoft ® Internet Explorer or Save Lin...
Page 6 - Adding Parts; Safety Instructions; When Using Your Computer
Back to Contents Page Adding Parts Dell™ Dimension™ 4400 Safety Instructions Use the following safety guidelines to protect yourself and your computer. For comfort and efficiency, observe the ergonomic guidelines provided in "Ergonomic Computing Habits" in the Dell Owner's Manual . When Usin...
Page 7 - Protecting Against Electrostatic Discharge; Shutting Down the Computer; Windows XP; Reattaching the Front Door and Hinge Arms; Reattaching the Front Door
2. Ground yourself by touching an unpainted metal surface at the back of the computer before touching anything inside your computer. While you work, periodically touch an unpainted metal surface on the computer to dissipate any static electricity that might harm internal components. 3. Disconnec...
Page 8 - Reattaching the Hinge Arms
Reattaching the Hinge Arms 1. Shut down the computer . 2. Disconnect the power cable from your computer. 3. Remove the front door, if it is attached. The front door snaps off of the two hinge arms. 4. Remove the front-panel insert above the front-door bay area. Pull the bottom of the inser...
Page 9 - Opening the Computer Cover
7. Pull the arms toward you until they snap into place. If the hinge arms don't snap back into place on the first attempt, slightly reposition the arms and try again. 8. After the hinge arms clip into place, lower and raise the arms two or three times to properly seat them. 9. Reattach the fro...
Page 10 - Adding Cards
Adding Cards 1. Shut down the computer . 2. Turn off any attached devices and disconnect them from their electrical outlets. 3. Disconnect the power cable from your computer, and then press the power button to ground the system board. 4. Open the computer cover . 5. To raise the securing l...
Page 11 - Removing Cards
8. Lower the plastic securing lever. 9. Connect any cables that should be attached to the card. See the documentation that came with the card for information about the card cable connections. 10. Close the computer cover . 11. Connect your computer and devices to their electrical outlets, an...
Page 12 - Adding Memory
8. If you are not replacing the card, install a filler bracket in the empty card-slot opening. If you are adding a card, see " Adding Cards ." 9. Lower the securing lever. 10. Close the computer cover . 11. Connect your computer and devices to their electrical outlets, and turn the...
Page 13 - Replacing an AGP Card
8. Align the notches on the bottom of the module with the crossbars in the connector. 9. Insert the module straight down into the connector, ensuring that it fits into the vertical guides at each end of the connector. Press firmly on the ends of the module until it snaps into place. During most ...
Page 14 - Adding a Second Hard Drive
6. To replace the AGP card, gently press it down into the slot connector until it clicks into place. Press the card clip lever while inserting the card into the slot connector. 7. Close the computer cover . 8. Connect your computer and devices to their electrical outlets, and turn them on. A...
Page 15 - Adding Other Drives
c. Gently slide the first hard drive into the lower bay until you hear a click. d. Reconnect the power cable and the data cable to the back of the first hard drive. 9. Gently slide the new hard drive into the upper bay until you hear a click. 10. Locate the extra connector on the drive cab...
Page 18 - Replacing the Microprocessor
9. Attach the rails to the drive using the screws supplied with the drive. Ensure that the rail tabs are positioned at the back of the drive. 10. Gently slide the drive into the bay until you hear a click. 11. Carefully replace the drive bay cover. You do not need to replace the cover insert...
Page 20 - Installing the Microprocessor
11. Remove the microprocessor from the socket. Leave the release lever extended in the release position so that the socket is ready for the new microprocessor. Installing the Microprocessor 1. If the release lever on the ZIF socket is not extended to the release position, move it to that positio...
Page 21 - Removing the Front I/O Panel; Replacing the Power Supply; Removing the Power Supply
Removing the Front I/O Panel 1. Shut down the computer . 2. Turn off any attached devices and disconnect them from their electrical outlets. 3. Disconnect the power cable from your computer, and then press the power button to ground the system board. 4. Open the computer cover . 5. Disconn...
Page 22 - Replacing the System Board; Removing the System Board
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the system board and drives. It is important to route these cables properly when you replace them to prevent them from being pinched or crimped. 6. Remove the two screws that secure the power ...
Page 23 - Closing the Computer Cover
5. Remove or move any components that restrict access to the system board. 6. Disconnect all cables from the system board. Before you remove the existing system board, visually compare the replacement system board to the existing system board to make sure that you have the correct part. 7. Pul...
Page 25 - Solving Problems; Accessing Help Files
Back to Contents Page Solving Problems Dell™ Dimension™ 4400 Accessing Help Files Power Problems Start-Up Error Messages Accessing Help Files Power Problems Start-Up Error Messages Video and Monitor Problems Sound and Speaker Problems Printer Problems Scanner Problems Mod...
Page 26 - Video and Monitor Problems; If the screen is blank; Sound and Speaker Problems
Video and Monitor Problems If the screen is blank If the screen is difficult to read Sound and Speaker Problems Operating system not found — Call Dell for technical assistance. See "Contacting Dell" in the Dell Owner's Manual for the correct number to call. Insert bootable media — Th...
Page 27 - Printer Problems; If you cannot print to a parallel port printer
Printer Problems If you cannot print to a parallel port printer If you cannot print to a USB printer Adjust the speaker controls — Adjust the volume, bass, or treble controls to eliminate distortion. Verify the speaker cable connections — Ensure that the speakers are connected as shown on the ST...
Page 29 - If you cannot save a file to a floppy disk
Keyboard Problems Drive Problems If you cannot save a file to a floppy disk If you cannot play a music CD or install a program from a CD 2. Connect the mouse to the computer. 3. Reconnect the power cable. 4. Turn on your computer. Pressing the power button does not clear the computer's...
Page 30 - Network Problems
If you cannot play a DVD movie If the CD-RW drive stops writing If you have a hard drive problem Network Problems Microsoft ® Windows ® Error Messages Check the speakers and subwoofer — See " Sound and Speaker Problems ." HINT: Because of different worldwide file types, not all D...
Page 33 - Using the Windows XP Device Driver Rollback
4. Select a topic in the Topic list. If you select Drivers in the Topic list and a particular driver is not listed, then that driver is not required by your operating system. Using the Windows XP Device Driver Rollback If you install a new device driver that causes system instability and you need ...
Page 34 - Using System Restore; Creating a Restore Point; Using the XP System Restore Wizard; Restoring the Computer to an Earlier Operating State
9. Double-click the icon for the specific device in the expanded list. The Properties window appears. 10. If there is an IRQ conflict, the Device status area in the Properties window reports what cards or devices are sharing the device's IRQ. Resolve the IRQ conflicts. You can also use the Windo...
Page 35 - Undoing the Last System Restore; Reinstalling Windows XP
2. Be sure Restore my computer to an earlier time is selected, and then click Next . 3. Click a calendar date to which you want to restore your computer. The Select a Restore Point screen provides a calendar that allows you to see and select restore points. All calendar dates with available rest...
Page 36 - Reinstalling Windows 2000
9. When the Regional Settings screen appears, select the settings for your locale, and then click Next . 10. Enter your name and organization in the Personalize Your Software screen, and then click Next . 11. If you are reinstalling Windows XP Home Edition, enter a name for your computer when ...
Page 38 - Technical Specifications
Back to Contents Page Technical Specifications Dell™ Dimension™ 4400 Microprocessor System Information Expansion Bus Memory Drives Ports and Connectors Audio 2 Video Controls and Lights P o w e r Physical Environmental Microprocessor Microprocessor typ...
Page 41 - System Setup Program; Overview
Back to Contents Page System Setup Program Dell™ Dimension™ 4400 Overview Each time you turn on or restart your computer system, the computer compares the hardware installed in the computer to the hardware listed in the configuration information stored in NVRAM on the system board. If the computer d...
Page 42 - Advanced Screen
Advanced Screen Option Function BIOS Version Displays the version of the BIOS being used. Processor Type Displays the type of microprocessor installed. Processor Speed Displays the internal speed of the microprocessor. System Bus Frequency Displays the external speed of the microprocessor. Cac...
Page 44 - IDE Configuration Submenu
IDE Configuration Submenu Option Function Serial Port A Configures the serial port. Set this option to Auto (default), Enabled , or Disabled . Depending on the port setting, you can set the following additional options: l Base I/O Address If the port is set to Enabled , available I/O addresses a...
Page 47 - Video Configuration Submenu; Security Screen
Video Configuration Submenu Security Screen Option Function Event Log Displays the space available for the event log. Event Log Validity Displays the validity of the event log. View Event Log Press <Enter> to view the event log. Clear All Event Logs Clears all event logs when the compute...
Page 48 - Power Screen
Power Screen Option Function Supervisor Password I s Indicates whether a supervisor password has been assigned. User Password Is Indicates whether a user password has been assigned. Set Supervisor P a s s w o r d Sets and confirms a supervisor password. If a supervisor password is set, a User...
Page 50 - Clearing NVRAM; Clearing Forgotten Passwords
Clearing NVRAM To clear NVRAM for all devices and restart the computer: 1. Enter the system setup program. 2. Press the right-arrow key to move to the Advanced menu. 3. Select the Boot Configuration submenu by pressing <Enter>. 4. Press the down-arrow key to highlight Reset Config Da...
Page 52 - Technical Overview; Internal View
Back to Contents Page Technical Overview Dell™ Dimension™ 4400 Internal View System Board Connectors and Sockets Socketed Microprocessor Power Supply DC Power Connectors IDE Interface Cable Connections for Dell-Installed Drives Placement of Dell-Installed Cards Internal View S...
Page 53 - Socketed Microprocessor; Power Supply
Socketed Microprocessor The 478-pin, socketed Intel ® Pentium ® 4 microprocessor, shown above with the heat sink attached, contains an integrated 8-KB primary (L1) cache with a secondary (L2) 256-KB Advanced Transfer Cache that resides in the processor's core and runs at the processor's internal...
Page 54 - DC Power Connectors; Power Supply DC Connector Pin Assignments
DC Power Connectors Power Supply DC Connector Pin Assignments DC Power Connector P1 +5 VDC +/ – 5% 1.0/0.2 4 22.0 +3.3 VDC +/ – 5% 0.1/0.0 5 18.0 – 12 VDC +/ – 10% 0.0 1.0 +5 VFP +/ – 5% 0.0 2.0 1 Outputs meet and do not exceed SELV requirements per electrical standards (UL 1950, IEC 950, or E...
Page 57 - Controls and Lights; Front View
Back to Contents Page Controls and Lights Dell™ Dimension™ 4400 Front View Back View Front View CD Activity Light The CD activity light is on when the computer reads data from the CD drive. CD Drive Eject Button Press this button to eject your CD from the CD drive. Floppy Drive Eject Button ...
Page 58 - Windows Label; USB Connectors; Back View; Power Connector
Windows Label This Microsoft ® Windows label provides the product key for your copy of Windows. You will need this information if you ever reinstall Windows. USB Connectors For quick connections, Dell recommends using the front USB connectors for USB devices such as digital cameras, gaming controll...