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Use this guide to replace the USB board in your HP EliteBook 840 G8 laptop.
The USB board includes the two USB‑A ports and audio jack. If the USB‑A ports or headphone jack on your HP EliteBook 840 Aero G8 are broken or have a loose connection, you may need to replace the USB board.
Before replacing the connector board, test the ports with a different cable to make sure the problem is with the port itself and not the cable.
Still under warranty? Contact HP to learn your warranty status, receive a repair under warranty if eligible, or for further warranty information.
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crwdns2931653:01crwdne2931653:0 Before you begin
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Save your work, fully shut down your laptop, and unplug all cables.
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Use a Phillips screwdriver to fully loosen (but not remove) the five captive screws securing the bottom cover.
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Position your laptop so the rear edge (with the screen hinge) is closest to you.
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Insert the flat end of a spudger between the rear edge of the bottom cover and the frame, near the middle screw and ELITEBOOK text.
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Use your spudger to pry up the cover to release the clip securing it.
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Leave the spudger inserted under the bottom cover for the next step.
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Slide your spudger along the rear edge toward one of the corners to release the rear edge clips.
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Rotate your spudger around the corner and up the edge to release the clips securing the short edge of the cover.
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Reinsert the flat end of a spudger near the ELITEBOOK text.
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Repeat the previous step for the other side of the cover to release the remaining clips.
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Lift and remove the bottom cover.
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crwdns2931653:07crwdne2931653:0 Disconnect the battery
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Position your laptop so the front edge (opposite the screen hinges) is closest to you.
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Use the point of a spudger or your fingernail to push on alternating sides of the battery's sliding connector to walk it completely out of its socket.
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Use the flat end of a spudger to push the USB board sliding connector fully out of its socket.
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Use a clean fingernail or the flat end of a spudger to flip up the hinged locking flap on the USB board ZIF connector.
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Use tweezers or your fingers to gently pull the cable straight out of its socket.
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Use a Phillips screwdriver to remove the three 4.5 mm‑long screws securing the USB board.
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Lift the left edge of the USB board and pull it toward the fan to remove the board.
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Hold the cable out of the way so it doesn't get stuck underneath the board.
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Slide the ports towards their cutouts in the chassis at a shallow angle, allowing the alignment posts to slot into place.
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Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before you install it.
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler. Depending on your region, used HP devices and parts can be returned for reuse or recycling through the HP Planet Partners program.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before you install it.
To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler. Depending on your region, used HP devices and parts can be returned for reuse or recycling through the HP Planet Partners program.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
