Fix Your Stuff Community Store

Dell Latitude 7410 I/O Board Replacement

Introduction

Use this guide to replace the I/O board in your Dell Latitude 7410 laptop.

The I/O (input and output) board, or daughterboard, consists of the right side USB ports, the 3.5 mm headphone jack, and the SIM card reader. The board is also responsible for cellular connectivity and the speakers.

What you need

  1. Dell Latitude 7410 I/O Board Replacement, Prepare your laptop for disassembly: step 1, image 1 of 1

    • Allow your laptop's battery to drain below 25% before starting this repair—a charged battery may catch fire if damaged.

    • Unplug all cables, fully shut down your laptop, and close the lid.

    Edit

  2. Dell Latitude 7410 I/O Board Replacement, Unfasten the back cover: step 2, image 1 of 1

    • Use a Phillips screwdriver to loosen the eight captive screws securing the back cover.

    Edit

  3. Dell Latitude 7410 I/O Board Replacement, Insert an opening pick: step 3, image 1 of 2 Dell Latitude 7410 I/O Board Replacement, Insert an opening pick: step 3, image 2 of 2

    • Insert an opening pick between the right edge of the back cover and the frame, just below the middle right screw.

    Edit

  4. Dell Latitude 7410 I/O Board Replacement, Unclip the right edge: step 4, image 1 of 2 Dell Latitude 7410 I/O Board Replacement, Unclip the right edge: step 4, image 2 of 2

    • Slide your pick along the right edge to release the clips securing the back cover.

    Edit

  5. Dell Latitude 7410 I/O Board Replacement, Unclip the left edge: step 5, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Unclip the left edge: step 5, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Unclip the left edge: step 5, image 3 of 3

    • Insert your pick between the left edge of the back cover and the frame, next to the speaker cutout.

    • Slide your pick along the left edge to release the clips.

    Edit

  6. Dell Latitude 7410 I/O Board Replacement, Unclip the back edge: step 6, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Unclip the back edge: step 6, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Unclip the back edge: step 6, image 3 of 3

    • Insert your pick between the back cover and the right display-hinge to release the first clip along the back edge.

    • Slide your pick toward the left hinge until the second clip releases.

    Edit

  7. Dell Latitude 7410 I/O Board Replacement, Unclip the front edge: step 7, image 1 of 2 Dell Latitude 7410 I/O Board Replacement, Unclip the front edge: step 7, image 2 of 2

    • Insert your pick between the front edge of the back cover and the frame, just to the right of the bottom left screw.

    • Slide your pick toward the right edge until the front edge releases from the frame.

    Edit

  9. Dell Latitude 7410 I/O Board Replacement, Remove the back cover: step 8, image 1 of 2 Dell Latitude 7410 I/O Board Replacement, Remove the back cover: step 8, image 2 of 2

    • Remove the back cover.

    Edit

  10. Dell Latitude 7410 I/O Board Replacement, Disconnect the battery: step 9, image 1 of 2 Dell Latitude 7410 I/O Board Replacement, Disconnect the battery: step 9, image 2 of 2

    • Grab the black pull tab on the head of the battery connector and pull straight up to disconnect it.

    Edit

  11. Dell Latitude 7410 I/O Board Replacement, Remove the cover: step 10, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the cover: step 10, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the cover: step 10, image 3 of 3

    • If your laptop doesn't come with a WWAN card, skip the next two steps.

    • Use the flat end of a spudger to pry up the WWAN card cover from its clips on the I/O board.

    • Remove the cover.

    Edit

  12. Dell Latitude 7410 I/O Board Replacement, Remove the WWAN cable bracket: step 11, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the WWAN cable bracket: step 11, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the WWAN cable bracket: step 11, image 3 of 3

    • Use your Phillips screwdriver to remove the 3 mm screw securing the WWAN cable bracket.

    • Remove the cable bracket.

    Edit

  13. Dell Latitude 7410 I/O Board Replacement, Remove the antenna cable bracket: step 12, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the antenna cable bracket: step 12, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the antenna cable bracket: step 12, image 3 of 3

    • Use your Phillips screwdriver to remove the 3 mm screw securing the antenna cable bracket.

    • Remove the antenna cable bracket.

    Edit

  14. Dell Latitude 7410 I/O Board Replacement, Disconnect the antenna cables: step 13, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Disconnect the antenna cables: step 13, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Disconnect the antenna cables: step 13, image 3 of 3

    • Use your spudger to disconnect the antenna press connectors labeled 1 and 2 by prying the heads of their connectors straight up.

    • To re-attach press connectors, carefully align and press down on one side until it clicks into place, then repeat on the other side. Don't press down in the middle. If the connector is misaligned, the pins can bend and cause permanent damage.

    Edit

  15. Dell Latitude 7410 I/O Board Replacement, Move the antenna cables: step 14, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Move the antenna cables: step 14, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Move the antenna cables: step 14, image 3 of 3

    • This step shows a laptop that didn't come with a WWAN card. If yours has one, disconnect and remove it now.

    • Lift the antenna cables out from their cable routing on the I/O board and move them away from the board.

    Edit

  16. Dell Latitude 7410 I/O Board Replacement, Remove the SIM card tray: step 15, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the SIM card tray: step 15, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the SIM card tray: step 15, image 3 of 3

    • Insert a SIM card eject tool, bit, or straightened paperclip into the SIM eject hole.

    • Use your fingers to remove the SIM card tray.

    Edit

  17. Dell Latitude 7410 I/O Board Replacement, Remove the interconnect pad: step 16, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the interconnect pad: step 16, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the interconnect pad: step 16, image 3 of 3

    • Use your Phillips screwdriver to remove the four 4 mm screws securing the interconnect pad.

    • Use tweezers or your fingers to remove the pad.

    Edit

  18. Dell Latitude 7410 I/O Board Replacement, Unfasten the I/O board: step 17, image 1 of 2 Dell Latitude 7410 I/O Board Replacement, Unfasten the I/O board: step 17, image 2 of 2

    • Use your Phillips screwdriver to remove the three screws securing the I/O board:

    • Two 3 mm-long screws

    • One 3.5 mm-long screw

    Edit

  19. Dell Latitude 7410 I/O Board Replacement, Pry up the I/O board: step 18, image 1 of 2 Dell Latitude 7410 I/O Board Replacement, Pry up the I/O board: step 18, image 2 of 2

    • Insert the flat end of your spudger between the bottom edge of the I/O board and the frame.

    • Gently pry up until you can grab the left edge of the board with your fingers.

    • If the board doesn't lift, double check that you've disconnected all cables and ejected the SIM card tray.

    Edit

  20. Dell Latitude 7410 I/O Board Replacement, Remove the I/O board: step 19, image 1 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the I/O board: step 19, image 2 of 3 Dell Latitude 7410 I/O Board Replacement, Remove the I/O board: step 19, image 3 of 3

    • Grab the left edge of the I/O board.

    • Slide the board to the left until the top right screw mount clears the heatsink.

    • Remove the board.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

One other person completed this guide.

Author

Clay Eickemeyer

Member since: 09/19/22

66,853 Reputation

453 Guides authored

Badges: 35

+32 more badges

Team

iFixit Member of iFixit

Staff

135 Members

17,198 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 2

Past 7 Days: 13

Past 30 Days: 39

All Time: 182