Dell Latitude D620 USB and Network Circuit Board Removal and Installation

Created by on August 25, 2011
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In this Dell laptop tutorial we are going to show you how to install and replace the USB & Network Circuit Board on your Dell Latitude D620 laptop. These installation instructions have be made into 28 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Dell Latitude D620 USB & Network Circuit Board.

Before you begin

Please take the time read the following safety guidelines when working on static sensitive electrical components.
Dell repair manual service precautions

Tools needed for this laptop repair

  • 1 x small phillips head screw driver
  • 1 x small plastic scribe
Latitude D620 USB Network Circuit Board

Dell Laptop Replacement Parts Needed

D620USB Image
Eligible for $5.00 1st Class Shipping.
Only 2 left in stock - order soon.
2R152 Image
Eligible for $5.00 Economy Shipping.
In Stock
DIY Discount - Parts-People.com offers 5% off to all DO-IT-YOURSELFERS!
Use this coupon code to save 5% off these parts
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Latitude D620 USB Network Circuit Board

Video tutorial repair manual



Installation and Removal Instructions
Dell Latitude D620 USB & Network Circuit Board

Slide the battery down and lift out of the laptop.

Step 1

  • Slide the battery latches over.
  • Slide the battery down and lift out of the laptop.
Slide the battery down and lift out of the laptop. Slide the battery latches over.
Unscrew the retaining screw and remove the door from the laptop

Step 2

  • Unscrew the retaining screw and remove the door from the laptop
Remove the memory stick from the motherboard.

Step 3

  • Separate the memory retaining clips until the memory stick lifts up.
  • Remove the memory stick from the motherboard.
Slide the hard drive out of the laptop.

Step 4

  • Remove the (2) 3mm x 3mm hard drive screws.
  • Slide the hard drive out of the laptop.
Slide the hard drive out of the laptop. Remove the (2) 3mm x 3mm hard drive screws.
Press in the optical drive latch to get it to eject.

Step 5

  • Remove the 2mm x 5mm optical drive latch locking screw.
  • Press in the optical drive latch to get it to eject.
  • Pull the latch to slide the optical drive out of the laptop.
Press in the optical drive latch to get it to eject. Pull the latch to slide the optical drive out of the laptop. Remove the 2mm x 5mm optical drive latch locking screw.
Remove the (2) 2.5mm x 5mm hinge screws on the back edge of the laptop.

Step 6

  • Remove the (2) 2.5mm x 5mm bottom hinge screws.
  • Remove the (2) 2.5mm x 5mm hinge screws on the back edge of the laptop.
Remove the (2) 2.5mm x 5mm hinge screws on the back edge of the laptop.Remove the (2) 2.5mm x 5mm bottom hinge screws.
Loosen the 2 non-removable PCI slot screws.

Step 7

  • Loosen the 2 non-removable PCI slot screws.
Remove the (4) motherboard port screws.

Step 8

  • Unscrew the (7) 2.5mm x 8mm base screws.
  • Remove the (4) motherboard port screws.
Remove the (4) motherboard port screws. Unscrew the (7) 2.5mm x 8mm base screws.
Using a flat head screwdriver, pry up the power button cover using the slot on the right side.

Step 9

  • Turn the laptop over and open it as wide as possible, approximately 180 degrees.
  • Using a flat head screwdriver, pry up the power button cover using the slot on the right side.
  • Carefully unsnap the power button cover, starting from the right and working your way left.
Carefully lift the keyboard and turn it over to reveal the keyboard cable.

Step 10

  • Remove the (3) 2mm x 3mm screws.
  • Carefully lift the keyboard and turn it over to reveal the keyboard cable.
Unplug the keyboard cable by lifting the blue ribbon straight up.

Step 11

  • Unhook the keyboard cable retaining clip by pivoting the blue clip up.
  • Unplug the keyboard cable by lifting the blue ribbon straight up.
Unplug the keyboard cable by lifting the blue ribbon straight up. Unhook the keyboard cable retaining clip by pivoting the blue clip up.
Remove the memory stick from the motherboard.

Step 12

  • Separate the memory retaining clips until the memory stick lifts up.
  • Remove the memory stick from the motherboard.
Press the clips, on the left and right side of the WLAN card, forward until the card pivots up.

Step 13

  • Disconnect the WLAN antenna cables.
  • Press the clips, on the left and right side of the WLAN card, forward until the card pivots up.
  • Slide the card from the motherboard.
Press the clips, on the left and right side of the WLAN card, forward until the card pivots up. Slide the card from the motherboard.
Press the clips, on the left and right side of the WWAN card, forward until the card pivots up.

Step 14

  • Disconnect the WWAN antenna cables.
  • Press the clips, on the left and right side of the WWAN card, forward until the card pivots up.
  • Slide the card from the motherboard.
Press the clips, on the left and right side of the WWAN card, forward until the card pivots up. Slide the card from the motherboard.
Loosen the antenna cables and LCD cable from the routing channels.

Step 15

  • Unplug the LCD cable.
  • Loosen the antenna cables and LCD cable from the routing channels.
  • Lift the LCD display assembly away from the laptop base.
Loosen the antenna cables and LCD cable from the routing channels. Lift the LCD display assembly away from the laptop base.
Remove the Bluetooth card.

Step 16

  • Press the Bluetooth clip back and slide the Bluetooth card away from the palm rest.
  • Remove the Bluetooth card.
Unscrew the (3) 2.5mm x 8mm palm rest screws.

Step 17

  • Unscrew the (3) 2.5mm x 8mm palm rest screws.
Unplug the CMOS battery.

Step 18

  • Unplug the CMOS battery.
Lift the palmrest from the base.

Step 19

  • Unplug the palmrest. The cable is located under the left edge of the palmrest.
  • Lift the palmrest from the base.
Take off the heat sink from the motherboard.

Step 20

  • Loosen the 4 heat sink screws.
  • Take off the heat sink from the motherboard.
Turn the CPU locking screw counterclockwise 180 degrees to unlock the CPU.

Step 21

  • Turn the CPU locking screw counterclockwise 180 degrees to unlock the CPU.
Installation note 2: Tighten the heatsink screws in the order listed on the heatsink.

Step 22

  • Installation note 1: Make sure to replace thermal compound or thermal pads on the CPU and heatsink.
  • Installation note 2: Tighten the heatsink screws in the order listed on the heatsink.
  • **This image is used only as an example.**
Remove the (4) 2mm x 3mm screws.

Step 23

  • Unplug the PCMCIA Cable.
  • Remove the (4) 2mm x 3mm screws.
  • Take off the PCMCIA assembly from the motherboard.
Remove the (4) 2mm x 3mm screws. Take off the PCMCIA assembly from the motherboard.
Take out the speaker from the base.

Step 24

  • Unplug the speaker cable.
  • Take out the speaker from the base.
Unplug the modem cable.

Step 25

  • Unscrew the 2mm x 3mm modem screw.
  • Unplug the modem cable.
  • Unplug the modem from the motherboard.
Unplug the modem cable. Unplug the modem from the motherboard.
Unplug the main modem cable.

Step 26

  • Unplug the modem circuit board cable.
  • Unplug the main modem cable.
Unplug the main modem cable. Unplug the modem circuit board cable.
Remove the motherboard out of the laptop base.

Step 27

  • Unplug the fan cable.
  • Remove the motherboard out of the laptop base.
Remove the (2) 2mm x 3mm screws.

Step 28

  • Flip the motherboard over.
  • Remove the (2) 2mm x 3mm screws.
  • Unplug the USB/Network circuit board from the motherboard.
Latitude D620 USB Network Circuit Board

Dell Laptop Replacement Parts Needed

D620USB Image
Eligible for $5.00 1st Class Shipping.
Only 2 left in stock - order soon.
2R152 Image
Eligible for $5.00 Economy Shipping.
In Stock
DIY Discount - Parts-People.com offers 5% off to all DO-IT-YOURSELFERS!
Use this coupon code to save 5% off these parts
DIYM514
Latitude D620 USB Network Circuit Board

Topics: Dell Latitude D620 Repair Manual Dell Laptop Repair Dell Repair Manuals USB Network Circuit Board Latitude D620

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