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CAUTION: To guard against likelihood of electric shock, laceration by moving fan blades or other unexpected injuries, always unplug your computer from the electrical outlet before removing the cover. CAUTION: Despite having a plastic shield, the heat sink fan assembly may be very hot during normal operation. Be sure that it has had sufficient time to cool before you touch it. NOTICE: Do not touch the fan blades when you are removing the processor fan and heat sink assembly. This could damage the fan. NOTICE: The processor fan with the heat sink is one single unit. Do not try to remove the fan separately. 1 processor fan 2 screws (4) 3 processor fan and heat sink assembly NOTE: Ensure that you apply new thermal grease. New thermal grease is critical for ensuring adequate thermal bonding, which is a requirement for optimal processor operation. NOTE: Ensure that the processor fan and heat sink assembly is correctly seated and secure. NOTICE: The CPU_FAN connector on the system board has four pins and the processor fan cable has three holes. Align the holes on the processor fan cable with the pins in the CPU_FAN connector on the system board to avoid damage to the pins. 11. Replace the computer cover (see Replacing the Computer Cover). 12. Connect your computer and devices to an electrical outlet, and turn them on. Back to Contents Page Back to Contents Page Replacing the Front Panel Dell™ Vostro™ A100/A180 Service Manual 1. Follow the procedures in Before You Begin. 2. Remove the computer cover from both the sides (see Replacing the Computer Cover). 3. Place the computer vertically on a flat surface. 4. Disconnect the power button cable and the hard disk activity light cable from the front panel connector (FP1) on the system board. 5. Cut the cable tie securing the power button cable and the hard disk activity light cable to the chassis. 6. To remove the front panel, press the tabs outwards and pull the front panel away from the computer. 7. To replace the front panel, align and insert the six front panel tabs into the front panel hinges. 8. Push the front panel towards the front of the computer until it snaps into place. 9. Connect the power button cable and the hard disk activity light cable to the front panel connector (FP1) on the system board. 10. Replace the computer cover on both the sides (see Replacing the Computer Cover). Back to Contents Page CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 1 front panel 2 front panel tabs (6) Back to Contents Page Replacing the Front I/O Panel Dell™ Vostro™ A100/A180 Service Manual 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Replacing the Computer Cover). 3. Remove the front panel (see Replacing the Front Panel). 4. Lay the computer horizontally on a flat surface. 5. Disconnect all the cables that are connected to the I/O panel from the system board. 6. Cut the cable tie securing the cables to the chassis. 7. Remove the screw that secures the I/O panel to the chassis. 8. Carefully remove the existing I/O panel from the computer. 9. To install a new I/O panel, align and slide the I/O panel clamp into the bottom of the I/O panel clamp slot. 10. Replace the screw that secures the I/O panel to the chassis. 11. Reconnect the cables to the system board. 12. Replace the front panel (see Replacing the Front Panel). 13. Replace the computer cover (see Replacing the Computer Cover). 14. Connect your computer and devices to an electrical outlet, and turn them on. Back to Contents Page CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at 1 cables 2 screw 3 I/O panel 4 I/O panel clamp slot Back to Contents Page Replacing Memory Module(s) Dell™ Vostro™ A100/A180 Service Manual 1. Follow the procedures in Before You Begin. 2. Remove the computer cover (see Replacing the Computer Cover). 3. Locate the memory modules on the system board (see System Board Components). 4. Press out the securing clip at each end of the memory module connector. 5. Grasp the module and pull it upwards. If the module is difficult to remove, gently ease the module back and forth to remove it from the connector. 6. Follow the instructions below to install memory modules, depending on your computer model: For Vostro A100 — Ensure that you install a single memory module in DIMM connector 1. For Vostro A180 — Ensure that you install a single memory module in DIMM connector 1, the connector closest to the processor, before you install a module in the other connector. 7. Align the notch on the bottom of the module with the tab in the connector slot. CAUTION: Before working inside your computer, read the safety info...