How to Replace the Fan on a Compaq Presario V3000

Written by michael j. scott
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How to Replace the Fan on a Compaq Presario V3000
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The cooling fan is an essential component in any laptop. The fan helps keep the CPU and other internal components from overheating. If your fan stops working, your laptop will overheat and shut down, potentially causing permanent damage. Owners of Compaq Presario V3000 laptops can replace the fan themselves by disassembling the laptop. Unfortunately, replacing the fan in the V3000 requires stripping the laptop down completely, which can seem daunting at first. Follow this guide and proceed methodically and you'll have a new fan installed in no time.

Skill level:
Moderately Challenging

Things you need

  • Phillips screwdriver
  • Replacement fan
  • Electrostatic wrist band
  • Thermal paste
  • Paper clip
  • Q-tip
  • Rubbing alcohol

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  1. 1

    Disconnect the power cable and remove the battery from your V3000. Lay it face down on a table, with the front facing you. Loosen the screws on the hard drive, memory and Mini Card covers. Remove the covers and set them aside.

  2. 2

    Remove the two screws holding the hard drive in place and lift the drive up by the mylar tab. Once the drive disconnects from the motherboard, pull it out of the bay. Disconnect and remove the RTC battery next to the hard drive.

  3. 3

    Remove the memory sticks by spreading the latches on the sides of the sticks to unlock them. Grab the sticks by the sides and slide them out of the compartment. Disconnect the wireless antenna cables from the Mini Card and remove the two screws holding it in place. Remove the Mini Card.

  4. 4

    Remove the screw holding the optical drive in place. The screw is located by the RTC battery. Stick a paper clip into the disk tray release hole on the drive to eject the disk tray. Grab the disc tray and slide the drive out of the laptop base.

  5. 5

    Remove the remaining 14 screws from the bottom of the laptop. Turn the laptop over and open the display panel as far as you can. Slide the keyboard back to disengage the front locking tabs and lift up the back end of the keyboard. Flip it over so it is laying face down on the touchpad. Disconnect the keyboard cable from the motherboard and remove the keyboard.

  6. 6

    Disconnect the power button cable, located in the left corner of the laptop, from the motherboard. Disconnect the LED cable, found just underneath the display panel, from the motherboard. Lift up the front edge of the switch cover, located just above the keyboard, and remove the cover.

  7. 7

    Disconnect the microphone cable from the centre of the motherboard. Just above the microphone cable are the display and lid switch cables. Disconnect them from the motherboard. Pull the wireless antenna cables through the open hole in the motherboard and move them out of the way. Remove the five screws holding the display panel in place and lift the panel straight up to remove it.

  8. 8

    Disconnect the touchpad cable from the motherboard and remove the three screws holding the top cover in place. Lift the top cover straight up to remove it.

  9. 9

    Disconnect the wireless switchboard cable, located in the back corner of the motherboard, from the motherboard. Remove the two screws holding the board in place and remove it. Do the same for the modem board, Bluetooth board, USB board and speaker assembly. If it can be disconnected from the motherboard and removed, do it.

  10. 10

    Remove the two screws holding the motherboard in place. Lift up the right edge of the motherboard and slide it out of the laptop base.

  11. 11

    Turn the motherboard over and disconnect the fan cable from the underside of the board. Turn the board right side up and remove the four screws holding the fan and heatsink assembly in place. Remove the assembly.

  12. 12

    Dip a Q-tip in rubbing alcohol and clean the top of your CPU. Apply a thin layer of thermal paste to the top of the CPU. Place your new fan assembly over the CPU and replace the four screws. Plug the fan cable into the underside of the motherboard.

  13. 13

    Reassemble your V3000 by reversing the previous steps.

Tips and warnings

  • Always wear an electrostatic wrist band to prevent static electricity from damaging the sensitive components in your laptop.

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