Dell 3902- Manuals

After Working Inside Your Computer After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer. 1. Replace the cover. CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into t...

2 Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer. Recommended Tools The procedures in this document may require the following tools: • Small flat-blade screwdriver• Phillips screwdriver• Small plastic scribe...

3. card reader 4. Front USB ports 5. power switch 6. hard drive 7. system board 8. memory module 9. expansion card 10. heatsink fan 11. system fan Removing the Cover 1. Follow the procedures in Before Working Inside Your Computer . 2. Follow the steps to remove the cover:a. Remove the screws that se...

3. Follow the steps to remove the bezel:a. Pry the front panel retention clips away from the chassis.b. Release the hooks on the opposite edge of the bezel from the chassis.c. Remove the bezel from the computer. Installing the Bezel 1. Place the hooks on the notches in the computer. 2. Rotate the fr...

3. Follow the steps to remove the SATA cable and the power cable:a. Disconnect the SATA cable and power cable from the hard drive [1] [2].b. Remove the screws that secure the hard-drive bracket [3] and lift it upwards to remove it from the computer [4]. 4. Follow the steps to remove the hard-drive b...

6. Install the:• bezel• cover 7. Follow the procedures in After Working Inside Your Computer . Removing the Optical Drive 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the:• cover• bezel 3. Follow the steps to remove the optical drive:a. Disconnect the data cable [1] an...

Removing the Card Reader 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the:• cover• bezel 3. a. Disconnect the card reader power cable from the system board.b. Un-thread the power cable from the metal clip.c. Remove the screws that secure the card reader to the chassis....

3. Press down on the memory-retaining tabs on each side of the memory modules and lift the memory module upwards to remove it from the computer. Installing the Memory 1. Align the notch on the memory-card with the tab in the system-board connector. 2. Insert the memory module into the memory socket....

3. Connect the heatsink cable to the system board. 4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer . Removing the Processor 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the:• cover• heatsink 3. Push the processor release lever down ...

4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer . Removing the Power Switch 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the:• cover• bezel 3. Follow the steps to remove the power switch:a. Disconnect the power-switch cable from the...

Installing the Input/Output (I/O) Panel 1. Slide the I/O panel into its slot on the computer. 2. Replace the screw that secures the I/O panel. 3. Route the cables through the metal clips. 4. Connect the I/O panel and FlyWire cables to the system board. 5. Install the:• bezel• cover 6. Follow the pro...

Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the:• cover• bezel• optical drive• hard drive• heatsink• processor• memory• expansion cards• I/O panel 3. Follow the steps to remove the system board:a. Disconnect and un-thread all the cables conne...

4. Install the:• I/O panel• memory• expansion cards• processor• heatsink• hard drive• optical drive• bezel• cover 5. Follow the procedures in After Working Inside Your Computer. System Board Components The following image displays the system board components . 1. PCI connector 2. PCIe x1 connector 3...

3 Troubleshooting Your Computer You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error Messages during the operation of the computer. Diagnostic Power LED Codes Power LED Light Status Possible Cause Troubleshooting Steps Off The computer is either turned of...

Power LED Light Status Possible Cause Troubleshooting Steps • If the display is connected and turned on, listen for a beep code. Diagnostic Error Messages Error Messages Description AUXILIARY DEVICE FAILURE The touchpad or external mouse may be faulty. For an external mouse, check the cable connecti...

System Error Messages System Message Description Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help in resolving this problem, please note this checkpoint and contact Dell Technical Support The computer failed to complete the boot routine three consecutive tim...

4 System Setup System Setup Overview System Setup allows you to: • change the system configuration information after you add, change, or remove any hardware in your computer. • set or change a user-selectable option such as the user password.• read the current amount of memory or set the type of har...

5 Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view informatio...

6 Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, ...