Dell 3901- 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. optical drive 4. card reader 5. I/O board 6. power-switch board 7. hard drive 8. coin-cell battery 9. VGA card 10. expansion card 11. heatsink 12. 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 ...

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. Push the coin-cell release latch and pull the coin-cell battery to remove it from the computer. Installing the Coin-Cell Battery 1. Place the coin-cell battery on the system board until it snaps in place. 2. Install the cover. 3. Follow the procedures in After Working Inside Your Computer . Remov...

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...

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] and power cable [2] from the optical drive.b) Remove the screws that secure the optical drive an...

3. a) Disconnect the card reader power cable from the system board [1].b) Un-thread the power cable from the metal clip [2].c) Remove the screws that secure the card reader to the chassis [3].d) Push the card reader towards the front of the computer [4].e) Remove the card reader from the computer. I...

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. Follow the steps to remove the processor heatsink:a) Disconnect the heatsink cable from the system board.b) Loosen the captive screws that secure the heatsink to the system board.c) Lift the heatsink upward and remove it from the computer. Installing the Heatsink 1. Place the heatsink on the proc...

4. Raise the processor cover and lift the processor to remove it from the computer. Installing the Processor 1. Install the processor into the socket. 2. Press down the processor cover to secure it inside the socket. 3. Push the release lever down and then press it inward to hold the retention hook ...

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 system board [1].b) Un-thread the power-switch cable from the metal retention clip [2...

Removing the Wireless Device 1. Follow the procedures in Before Working Inside Your Computer . 2. Follow the procedures to remove the wireless device from the computer:a) Remove the screws that secure the wireless-device cable from the computer.b) Disconnect the wireless-device cable from its connec...

Removing the System Fan 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the cover. 3. Follow the steps to remove the system fan:a) Disconnect the fan cable from the system board.b) Remove the screws that secure the system fan to the computer.c) Push the system fan inwards...

3. Follow the steps to remove the system board:a) Disconnect and un-thread all the cables connected to the system board.b) Remove the screws that secure the system board to the computer.c) Slide the system board towards the front of the computer and tilt to a 45–degree angle.d) Lift and remove the s...

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 • Ensure the display is connected and turned on. • 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...

Error Messages Description X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY Insert a disk into the drive and try again. 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 thi...

4 System Setup Options Main System Information BIOS Revision Displays the BIOS revision. BIOS Build Date Displays the date the system BIOS was built. System Name Displays the model name of the system. System Time Resets the time on the computer's internal clock. System Date Resets the date on the co...

Advanced Processor Configuration AMD Cool ‘N’ Quiet Allows you to enable or disable the AMD Cool ‘N’ Quiet mode in the installed processor in the system. Default: Enabled Secure Virtual Machine Mode Allows you to enable or disable AMD Secure Virtual Machine Mode (SVM). Default: Enabled USB Configura...

Before you use System Setup, it is recommended that you write down the System Setup screen information for future reference. CAUTION: Unless you are an expert computer user, do not change the settings for this program. Certain changes can cause your computer to work incorrectly. Enter System Setup 1...

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, ...