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Dell Latitude E6420 Wireless Card Replacement

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A faulty wireless card can affect wireless connection. This guide will show the user how to replace the wireless card.

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  1. Dell Latitude E6420 Wireless Card Replacement, Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement, Battery: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Push the tabs on the left and right of the battery out towards the edge of the case.

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  2. Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • While still pushing in the tabs, using your pinky finger, lift the battery out of the laptop.

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  3. Dell Latitude E6420 Wireless Card Replacement, CD/DVD Drive: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement, CD/DVD Drive: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Push the button in on the CD/DVD drive to eject the drive.

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  4. Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Slide the drive out of the laptop.

    • When removing the drive, keep it flat to prevent damage to anything inside the laptop.

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  6. Dell Latitude E6420 Wireless Card Replacement, Backplate: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement, Backplate: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using the screwdriver, remove seven 4mm Phillips #1 screws from the bottom of the laptop.

    • Using the screwdriver, remove two 9mm Phillips #00 screws from the bottom of the laptop.

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  7. Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Gently lift the back plate off of the laptop making sure all of the tabs on the inside perimeter of the back plate are unhooked before lifting.

    • Be careful when removing the backplate. Lifting the backplate while the tabs are still hooked in will result in broken tabs.

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  8. Dell Latitude E6420 Wireless Card Replacement, Wireless Card: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement, Wireless Card: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using the screwdriver, remove two 4mm JIS #0 screws.

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  9. Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Disconnect 4 wires by pulling upward.

    • Gently remove the wires to prevent damaging them.

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  10. Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Lift the wiring harness out of the way.

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  11. Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:010crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:010crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Dell Latitude E6420 Wireless Card Replacement: crwdns2935265:010crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • The card will lift up, remove the card by pulling the lifted edge away from you.

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

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