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Dell Vostro 3450 System Fan Replacement

Dell Vostro 3450 System Fan Replacement

Johnathan Hammond

Johnathan Hammond and 2 other contributors

Last updated on November 5, 2019

40 minutes - 2 hours
Moderate
Community-Contributed Guide

Introduction

Go to step 1

In this guide, we will be showing you how to remove and replace the System Fan.

What you need

Tools

  • Spudger
    Spudger
  • Phillips #0 Screwdriver
    Phillips #0 Screwdriver

  1. Dell Vostro 3450 System Fan Replacement, Unlocking the Battery: step 1, image 1 of 1

    • Slide the left and the right battery release latches to the unlock position.

    Edit

  2. Dell Vostro 3450 System Fan Replacement, Removing the Battery: step 2, image 1 of 1

    • Slide the battery and remove it from the computer.

    Edit

  3. Dell Vostro 3450 System Fan Replacement, Prying the Keyboard: step 3, image 1 of 1

    • Press the keyboard down. Pry the keyboard with the use of a flat-head screwdriver towards the display to reveal the first keyboard retainer.

    Edit

  4. Dell Vostro 3450 System Fan Replacement, Prying the Keyboard retainer: step 4, image 1 of 1

    • Pry up the second keyboard retainer.

    Edit

  5. Dell Vostro 3450 System Fan Replacement, Pry up the Keyboard Retainer: step 5, image 1 of 1

    • Pry up the third keyboard retainer.

    Edit

  6. Dell Vostro 3450 System Fan Replacement, Prying the Retainer: step 6, image 1 of 1

    • Pry up the fourth keyboard retainer.

    Edit

  7. Dell Vostro 3450 System Fan Replacement, Pull up the Keyboard: step 7, image 1 of 1

    • Pull up the keyboard from the palm rest.

    Edit

  8. Dell Vostro 3450 System Fan Replacement, Release the Latch: step 8, image 1 of 1

    • Release the latch on the system board connector, then disconnect the keyboard cable.

    • If this is all you are doing Follow Step In Reverse if not Go to Next Step.

    Edit

  9. Dell Vostro 3450 System Fan Replacement, Loosen the Screw: step 9, image 1 of 1

    • Loosen the screw that secures the memory door.

    Edit

  10. Dell Vostro 3450 System Fan Replacement, Removing the Memory Door: step 10, image 1 of 1

    • Pry up the memory door near the screw hole, lift and remove it.

    • If this is all you are doing Follow Step In Reverse if not Go to Next Step.

    Edit

  11. Dell Vostro 3450 System Fan Replacement, Remove the Screw: step 11, image 1 of 1

    • Remove the screw that secures the optical drive to the computer.

    Edit

  12. Dell Vostro 3450 System Fan Replacement, Prying the Drive: step 12, image 1 of 1

    • Gently pry the optical drive out of the computer.

    Edit

  13. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 13, image 1 of 1

    • Remove the screws that secure the optical drive bracket.

    Edit

  14. Dell Vostro 3450 System Fan Replacement, Removing the Optical Drive: step 14, image 1 of 1

    • Remove the optical drive bracket from the optical drive module.

    Edit

  16. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 15, image 1 of 1

    • Remove the screws in the battery compartment.

    Edit

  17. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 16, image 1 of 1

    • Remove the screws in the optical drive compartment.

    Edit

  18. Dell Vostro 3450 System Fan Replacement, Remove the Rubber: step 17, image 1 of 1

    • Remove the rubber from the bottom base on the right side.

    Edit

  19. Dell Vostro 3450 System Fan Replacement, Remove the Rubber: step 18, image 1 of 1

    • Remove the rubber from the bottom base on the left side.

    Edit

  20. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 19, image 1 of 1

    • Remove all the screws from the bottom base.

    Edit

  21. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 20, image 1 of 1

    • Flip the computer around and remove the screws that secures the palm rest.

    Edit

  22. Dell Vostro 3450 System Fan Replacement, Release the Latches: step 21, image 1 of 1

    • Release the latches on the system board connector, then disconnect the touch pad cable and the finger printer cable.

    Edit

  23. Dell Vostro 3450 System Fan Replacement, Release the Latch: step 22, image 1 of 1

    • Release the latch on the system board connector and then disconnect the power button cable.

    Edit

  24. Dell Vostro 3450 System Fan Replacement, Disconnecting the Key Cable: step 23, image 1 of 1

    • Release the latch on the system board connector and then disconnect the hot key cable.

    Edit

  25. Dell Vostro 3450 System Fan Replacement, Prying the Palm Rest: step 24, image 1 of 1

    • Pry up the right side of the palm rest.

    Edit

  26. Dell Vostro 3450 System Fan Replacement, Prying the Palm Rest: step 25, image 1 of 1

    • Pry up the left side of the palm rest.

    Edit

  27. Dell Vostro 3450 System Fan Replacement, Prying the Sides: step 26, image 1 of 1

    • Pry up the sides of the palm rest and remove it from the computer.

    • If this is all you are doing Follow Step In Reverse if not Go to Next Step.

    Edit

  28. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 27, image 1 of 1

    • Remove the screws that secure the hinge cover.

    Edit

  29. Dell Vostro 3450 System Fan Replacement, Press Down on the Hooks: step 28, image 1 of 1

    • Press down on the hooks highlighted in the image.

    Edit

  30. Dell Vostro 3450 System Fan Replacement, Removing the Hinge Cover: step 29, image 1 of 1

    • Flip the computer around and remove the hinge cover from the side.

    • If this is all you are doing Follow Step In Reverse if not Go to Next Step.

    Edit

  31. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 30, image 1 of 1

    • Remove the screws that secure the display hinge.

    Edit

  32. Dell Vostro 3450 System Fan Replacement, Loosen the Screw: step 31, image 1 of 1

    • Loosen the screw that secures the low-voltage differential signaling (LVDS) cable.

    Edit

  33. Dell Vostro 3450 System Fan Replacement, Disconnecting the LVDS Cable: step 32, image 1 of 1

    • Disconnect the LVDS cable from the system board.

    Edit

  34. Dell Vostro 3450 System Fan Replacement, Disconnecting the Wireless Cables: step 33, image 1 of 1

    • Disconnect the wireless local area network (WLAN) antenna cable.

    Edit

  35. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 34, image 1 of 1

    • Remove the screws that secure the left hinge.

    Edit

  36. Dell Vostro 3450 System Fan Replacement, Remove the Screws: step 35, image 1 of 1

    • Remove the screws that secure the right hinge.

    Edit

  37. Dell Vostro 3450 System Fan Replacement, Lifting the Display Assembly: step 36, image 1 of 1

    • Lift the display assembly and remove it from the computer.

    • If this is all you are doing Follow Step In Reverse if not Go to Next Step.

    Edit

  38. Dell Vostro 3450 System Fan Replacement, Release the Latch: step 37, image 1 of 1

    • Release the latch on the system board and then disconnect the VGA cable.

    Edit

  39. Dell Vostro 3450 System Fan Replacement, Remove the Screw: step 38, image 1 of 1

    • Remove the screw that secures the VGA board.

    Edit

  40. Dell Vostro 3450 System Fan Replacement, Remove the VGA Board: step 39, image 1 of 1

    • Remove the VGA board from the chassis.

    • If this is all you are doing Follow Step In Reverse if not Go to Next Step.

    Edit

  41. Dell Vostro 3450 System Fan Replacement, Disconnect the System Fan Cable: step 40, image 1 of 1

    • Disconnect the system fan cable from the system board.

    Edit

  42. Dell Vostro 3450 System Fan Replacement, Remove the Screw: step 41, image 1 of 1

    • Remove the screw that secures the system fan.

    Edit

  43. Dell Vostro 3450 System Fan Replacement, Remove the System Fan: step 42, image 1 of 1

    • Remove the system fan from the bottom base module.

    • If this is all you are doing Follow Step In Reverse if not Go to Next Step.

    Edit
Finish Line

One other person completed this guide.

Author

with 2 other contributors

Johnathan Hammond

Member since: 02/28/18

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RampUP America, Inc. Member of RampUP America, Inc.

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