Page 2 - About Your DellTM; Front View of the Computer
Back to Contents Page About Your Dell™ Dimension™ 5100 Computer Dell™ Dimension™ 5100 Service Manual Front View of the Computer Back View of the Computer Front View of the Computer 1 cover latch release Use this latch to remove the computer cover . 2 location of Service Tag Use the Servic...
Page 3 - Back View of the Computer
Back View of the Computer NOTICE: Do not lift or carry the computer by the vents to avoid damage to the computer. NOTICE: Keep the vent area clean and dust-free to ensure that the computer is adequately ventilated. Use only a dry cloth to clean the vent area to avoid water damage to the comput...
Page 8 - Before You Begin; Getting Started; Recommended Tools; Before Working Inside Your Computer
Back to Contents Page Before You Begin Dell™ Dimension™ 5100 Service Manual Getting Started Recommended Tools Turning Off Your Computer Before Working Inside Your Computer Getting Started This section provides procedures for removing and installing the components in your computer. Un...
Page 12 - Replacing the Computer Cover
Back to Contents Page Replacing the Computer Cover Dell™ Dimension™ 5100 Service Manual 1. Ensure that all cables are connected, and fold cables out of the way. 2. Ensure that no tools or extra parts are left inside the computer. 3. Align the bottom of the cover with the tabs located along...
Page 14 - Removing the Computer Cover
Back to Contents Page Removing the Computer Cover Dell™ Dimension™ 5100 Service Manual 1. Follow the procedures in " Before You Begin ." 2. Lay your computer on its side with the computer cover facing up. 3. Pull back the cover latch release located on the top panel. Back to Cont...
Page 16 - Removing and Installing Parts; Memory; DDR2 Memory Overview
Back to Contents Page Removing and Installing Parts Dell™ Dimension™ 5100 Service Manual Memory You can increase your computer memory by installing memory modules on the system board. Your computer supports DDR2 memory. For additional information on the type of memory supported by your computer,...
Page 17 - Installing Memory
Addressing Memory With 4-GB Configurations Your computer supports a maximum of 4 GB of memory when you use four 1-GB DIMMs. Current operating systems, such as Microsoft ® W i n d o w s ® XP, can only use a maximum of 4 GB of address space; however, the amount of memory available to the operating...
Page 18 - Cards; PCI Cards
5. Insert the module into the connector until the module snaps into position. If you insert the module correctly, the securing clips snap into the cutouts at each end of the module. 6. Replace the computer cover . 7. Connect your computer and devices to electrical outlets, and turn them on. ...
Page 19 - Installing a PCI Card
If you are installing or replacing a card, follow the procedures in the next section. If you are removing but not replacing a PCI card, see " Removing a PCI Card ." If you are replacing a card, remove the current driver for the card from the operating system. If you are installing or replaci...
Page 21 - Removing a PCI Card; PCI Express Cards; Installing a PCI Express Card
a. Enter system setup, select Integrated NIC, and then change the setting to Off . b. Connect the network cable to the add-in network adapter's connectors. Do not connect the network cable to the integrated connector on the back panel. 14. Install any drivers required for the card as described...
Page 24 - Removing a PCI Express Card; Drive Panel; Removing the Drive Panel
Removing a PCI Express Card 1. Follow the procedures in " Before You Begin ." 2. Remove the computer cover . 3. Gently push the release tab on the card retention door from the inside to pivot the door open. Because the door is captive, it will remain in the open position. 4. If you...
Page 25 - Removing the Drive-Panel Insert
3. Grasping the sliding plate lever, slide and hold the sliding plate until the drive panel snaps open. 4. Pivot the drive panel outward and lift away from the computer. 5. Set the drive panel aside in a secure location. Removing the Drive-Panel Insert 1. Follow the procedures in " Bef...
Page 27 - Front Panel; Removing the Front Panel; Drives
Front Panel Removing the Front Panel 1. Remove the computer cover . 2. Remove the drive panel . 3. Remove the hard drive and second hard drive, if applicable. 4. Remove the two front-panel screws. 5. Using a small, flat-blade screwdriver, press the four top front-panel release tabs...
Page 29 - Hard Drive; Removing a Hard Drive
Hard Drive Check the documentation for the drive to verify that it is configured for your computer. Removing a Hard Drive 1. Follow the procedures in " Before You Begin ." 2. Remove the computer cover . 3. Disconnect the power and data cables from the drive. 4. Press the blue...
Page 30 - Installing a Hard Drive
Installing a Hard Drive 1. Follow the procedures in " Before You Begin ." 2. Remove the computer cover . 3. If you are installing a replacement hard drive, remove the old hard drive . 4. Unpack the replacement hard drive, and prepare it for installation. 5. Check the documentatio...
Page 31 - Adding a Second Hard Drive; Floppy Drive
8. Check all connectors to be certain that they are properly cabled and firmly seated. 9. Replace the computer cover . 10. Connect your computer and devices to electrical outlets, and turn them on. See the documentation that came with the drive for instructions on installing any software requi...
Page 32 - Removing a Floppy Drive
Removing a Floppy Drive 1. Follow the procedures in " Before You Begin ." 2. Remove the computer cover . 3. Remove the drive panel . 4. Disconnect the power and data cables from the back of the floppy drive. 5. Slide the sliding plate lever toward the bottom of the computer and, ...
Page 33 - Installing a Floppy Drive
Installing a Floppy Drive 1. Follow the procedures in " Before You Begin ." 2. Remove the computer cover . 3. Remove the drive panel . 4. Slide the drive into place until you feel a click or feel the drive securely installed. 5. Attach the power and data cables to the floppy drive. ...
Page 34 - Removing a Media Card Reader
11. Enter system setup and select the appropriate Diskette Drive option. 12. Verify that your computer works correctly by running the Dell Diagnostics . Media Card Reader (Optional) For information about using a Media Card Reader, see your Owner's Manual . Removing a Media Card Reader 1....
Page 35 - Installing a Media Card Reader
5. Slide the sliding plate toward the bottom of the computer and, without releasing the sliding plate, slide the Media Card Reader out through the front of the computer. 6. Replace the drive panel . 7. Replace the computer cover . Installing a Media Card Reader 1. Follow the procedures i...
Page 36 - Removing a CD/DVD Drive
5. Slide the Media Card Reader into place until you feel a click or feel the drive securely installed. 6. Connect the FlexBay USB cable to the back of the Media Card Reader and to the Media Card Reader connector on the system board. 7. Route the FlexBay USB cable through the cable routing clip...
Page 37 - Installing a CD/DVD Drive
5. Slide the sliding plate lever toward the bottom of the computer and, without releasing the sliding plate lever, slide the CD/DVD drive out through the front of the computer. Installing a CD/DVD Drive 1. Follow the procedures in " Before You Begin ." 2. Remove the computer cover . ...
Page 38 - Removing the Heat-Sink Assembly
5. Connect the power and data cables to the drive. 6. Check all cable connections, and fold cables out of the way to avoid blocking the fan and cooling vents. 7. Replace the drive panel . 8. Replace the computer cover . 9. Connect your computer and devices to their electrical outlets, and ...
Page 39 - Processor; Removing the Processor
1. Follow the procedures in " Before You Begin ." 2. Remove the computer cover . 3. Loosen the two captive screws that attach the heat-sink assembly to the system board on either side of the assembly. 4. Pivot the assembly toward the back of the computer and lift to remove the asse...
Page 40 - Installing the Processor
b. Pull the lever back to release the processor cover. 1 processor cover 4 release lever 2 processor 5 side latch 5. Grasp the processor by the edges to remove it from the processor socket. Leave the release lever extended in the release position so that the socket is ready for the new processor...
Page 41 - Fan Assembly; Removing the Fan Assembly
5. Set the processor lightly in the socket and ensure that the processor is positioned correctly. 6. When the processor is fully seated in the socket, close the processor cover. Ensure that the tab on the processor cover is positioned underneath the release lever at the front of the socket. 7....
Page 42 - Removing the Front I/O Panel
5. Simultaneously press the fan-release tab on one side of the fan assembly and pull the fan- release tab located on the bottom of the opposite side of the assembly upwards. 6. Slide the fan assembly toward the back of the computer and lift to remove the assembly. Front I/O Panel Removin...
Page 43 - System Board; Jumper Settings
5. Remove the screw that secures the front I/O panel to the front of the computer. 6. Pull the I/O panel toward the back of the computer and lift the panel to remove from the computer. 7. Disconnect any cables from the I/O panel. System Board Jumper Settings The jumper locations are shown ...
Page 44 - Removing the System Board
Removing the System Board 1. Shut down the computer through the Start menu. 2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now. 3. Disconnect any telephon...
Page 45 - Replacing the System Board; Power Supply; Removing the Power Supply
11. Place the system board assembly that you just removed next to the replacement system board to ensure that it is identical. Replacing the System Board 1. Gently align the system board in the chassis and slide the board toward the back of the computer. 2. Replace the eight system-board scr...
Page 46 - Replacing the Power Supply
4. Remove the four screws that attach the power supply to the back of the computer frame. 5. Press the release button located on the floor of the computer frame. 6. Slide the power supply toward the front of the computer approximately 1 inch. 7. Lift the power supply out of the computer. R...
Page 80 - System Setup; Overview; System Setup Screens
Back to Contents Page System Setup Dell™ Dimension™ 5100 Service Manual Overview Entering System Setup System Setup Options Boot Sequence Clearing Forgotten Passwords Clearing CMOS Settings Overview Use system setup as follows: l To change the system configuration information a...
Page 81 - System Setup Options
System Setup Options Field and lists keys and their functions within the active system setup field. NOTE: Depending on your computer and installed devices, the items listed in this section may not appear, or may not appear exactly as listed. System Processor Info Displays the following informa...
Page 83 - Boot Sequence; Option Settings; Changing Boot Sequence for Future Boots
Boot Sequence This feature allows you to change the boot sequence for devices. Option Settings l Diskette Drive — The computer attempts to boot from the floppy drive. If the floppy disk in the drive is not bootable, if no floppy disk is in the drive, or if there is no floppy drive installed in...
Page 84 - Clearing Forgotten Passwords
2. Use the arrow keys to highlight the Boot Sequence menu option and press <Enter> to access the menu. 3. Press the up- and down-arrow keys to move through the list of devices. 4. Press the spacebar to enable or disable a device (enabled devices have a checkmark). 5. Press plus (+) or mi...
Page 85 - Clearing CMOS Settings
Clearing CMOS Settings 1. Follow the procedures in " Before You Begin ." 2. Reset the current CMOS settings: a. Locate the 3-pin CMOS jumper (RTCRST) on the system board . b. Remove the jumper plug from pins 2 and 3. c. Place the jumper plug on pins 1 and 2 and wait for approxi...
Page 92 - Specifications
Back to Contents Page Specifications Dell™ Dimension™ 5100 Service Manual Processor Expansion Bus Memory Connectors Computer Information Controls and Lights Video P o w e r Audio Physical Drives Environmental Processor Processor type Intel ® Pentium ® 4 5 XXX an...
Page 98 - Technical Overview; Inside View of Your Computer; System Board Components
Back to Contents Page Technical Overview Dell™ Dimension™ 5100 Service Manual Inside View of Your Computer System Board Components Power Supply DC Connector Pin Assignments Inside View of Your Computer Follow the procedures in " Before You Begin ." System Board Components CA...
Page 99 - Power Supply DC Connector Pin Assignments; DC Main Power Connector P1
Power Supply DC Connector Pin Assignments DC Main Power Connector P1
Page 101 - DC Peripheral Connectors P8 and P9
DC Peripheral Connectors P8 and P9 Back to Contents Page Pin Number Signal Name 1 8-AWG Wire 1 +12 VBDC W h i t e 2 COM Black 3 COM Black 4 +5 VDC Red
Page 107 - Advanced Troubleshooting; When to Use the Dell Diagnostics; Starting the Dell Diagnostics From Your Hard Drive
Back to Contents Page Advanced Troubleshooting Dell™ Dimension™ 5100 Service Manual Dell Diagnostics System Lights Diagnostic Lights Beep Codes Dell Diagnostics When to Use the Dell Diagnostics If you experience a problem with your computer, perform the checks in this section and...
Page 108 - Dell Diagnostics Main Menu; System Lights
6. Type 1 to start the ResourceCD menu. 7. Type 2 to start the Dell Diagnostics. 8. Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version appropriate for your computer. 9. When the Dell Diagnostics Main Menu appears, select the tes...
Page 109 - Diagnostic Lights
Diagnostic Lights To help you troubleshoot a problem, your computer has four diagnostic lights labeled "1," "2," "3," and "4" on the front panel . When the computer starts normally, the lights flash. After the computer starts, all four lights display solid green. ...
Page 110 - Beep Codes
Beep Codes Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of beeps, called a beep code, identifies a problem. One possible beep code (code 1-3-1) consists of one beep, a burst of three beeps, and then one beep. This beep cod...