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HP Envy 7640 Screen Replacement

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  1. HP Envy 7640 Screen Replacement, Screen: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 HP Envy 7640 Screen Replacement, Screen: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 HP Envy 7640 Screen Replacement, Screen: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Open the printer by pushing upwards against the plastic tabs on the printer body's sides.

    • Remove the opening assist by pushing it toward the front of the printer with a nylon spudger.

    • Remove the spring-loaded clip attached to the top of the printer by pushing it off of the hook.

  2. HP Envy 7640 Screen Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 HP Envy 7640 Screen Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 HP Envy 7640 Screen Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Place the T9 Torx screwdriver in the screw slot and turn counterclockwise to remove the two 12 mm screws that hold the screen manifold to the printer.

    • Push with minimal force to the right to dislodge the manifold from the printer body.

    • Lift the panel up and turn it over to reveal the green micro-controller board underneath.

  3. HP Envy 7640 Screen Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 HP Envy 7640 Screen Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Undo the two connectors by gently pulling them away from the board.

    • Remove the last connector by flipping the tab up and pulling away from the board while also pulling left.

    • Remove the five 6.5 mm screws from the board using the T6 Torx screwdriver.

  4. HP Envy 7640 Screen Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Insert the plastic opening tool into the space between the green board and the printer manifold and push downwards to dislodge the green board.

  5. HP Envy 7640 Screen Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 HP Envy 7640 Screen Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 HP Envy 7640 Screen Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Peel back the tape that holds the screen in place.

    • Insert the plastic opening tool between the white screen backing and the screen to pry the screen backing from the adhesive that holds it in place.

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

Nicholas Sheffler

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Cal Poly, Team S1-G2, Livingston Winter 2018 crwdns2935289:0Cal Poly, Team S1-G2, Livingston Winter 2018crwdne2935289:0

CPSU-LIVINGSTON-W18S1G2

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