Dell Laptop

Dell Vostro 3446 Disassembly

In this guide, I will explain how to disassemble the Dell Vostro 3446 to remove the DVD drive, hard drive, keyboard, palm rest, wireless card, RAM, heat sink, cooling fan, speakers, and motherboard.

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Step 1: Remove the battery
    • Unlock and remove the battery.

Remove the battery

    • The Dell Vostro 3446 comes with a 40Wh battery.

Dell Vostro 3446 battery

Step 2: Remove the service cover
    • Remove the screw securing the service cover. Use a pry bar to slowly pry open the service cover and remove it.
    • Under the service cover, you can access the hard drive, RAM, and wireless card.

Remove the service cover

Step 3: Remove the RAM
    • Use your nails to pry open the clips on both sides of the memory module, and the memory module will automatically pop out.

Remove the RAM module

    • The laptop comes with a Samsung 4GB memory module.

Samsung 4GB memory module

Step 4: Remove the hard drive
    • Remove the screw securing the hard drive assembly. Lift the black tape and slide it to the left to disconnect it from the motherboard.

Remove the hard drive

    • The laptop features a 500GB Seagate hard drive.

Hard drive

Step 5: Remove the wireless card
    • Disconnect the two antenna cables and remove the screw securing the wireless card.

Remove the wireless card

    • Wireless card

Wireless card

Step 6: Remove the DVD drive
    • Remove all screws from the bottom cover.

Remove the DVD drive

    • Pull out the DVD drive.

Pull out the DVD drive

Step 7: Remove the keyboard
    • Turn over your laptop. Insert a plastic pry tool under the keyboard and slowly pry it up. Lift the keyboard and disconnect the keyboard cable from the motherboard.

Remove the keyboard

    • The keyboard has been removed.

Keyboard

Step 8: Remove the palm rest
    • Disconnect the two cables and remove the three screws securing the palm rest.

Remove the palm rest

    • Insert a plastic pry tool under the palm rest and slide it to completely separate the palm rest from the laptop.
      Before fully removing the palm rest, you must also disconnect the touchpad ribbon cable from the motherboard.

Remove the palm rest

The back of the palm rest

Step 9: Remove the USB board
    • The USB board is connected to the motherboard via a white data cable.

Remove the USB board

    • Disconnect the white cable.

Disconnect the white cable

    • The USB board has been removed.

USB board

Step 10: Remove the speakers
    • The speaker is fixed by a holder. Disconnect the speaker cable and remove the speaker.

Remove the speakers

    • Two speakers

Two speakers

Step 11: Remove the motherboard.
    • Remove all screws securing the motherboard and disconnect all cables from the motherboard. You can remove the motherboard.

Remove the motherboard

Step 12: Remove the heat sink and cooling fan
    • You can see that the heat sink is very long. Loosen the five screws. You can remove the heat sink.

Remove the cooling system

    • The cooling system has been removed.

Cooling system

The processor of the Dell Vostro 3446 is soldered directly onto the motherboard, so it cannot be upgraded.
Dell Vostro 3446 processor

Dell Vostro 3446 internal parts
Internal parts

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One Comment

  1. Thanks for the tutorial. My Dell Vostro was having trouble with the GPU (Blender was glitching, and I was getting a beeping noise), but I was able to apply the new thermal paste successfully.

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