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HP EliteBook 845 G8 Wi-Fi Module Replacement

Введение

Use this guide to replace the Wi-Fi (aka Wi‑Fi card or WLAN module) in your HP EliteBook 845 G8 laptop.

You may need to replace the Wi-Fi module if your laptop frequently drops Wi‑Fi connections or experiences unusually slow speeds despite a strong signal.

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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  1. HP EliteBook 845 G8 Wi-Fi Module Replacement, Before you begin: шаг 1, изображение 1 из 2 HP EliteBook 845 G8 Wi-Fi Module Replacement, Before you begin: шаг 1, изображение 2 из 2

    • Before starting your repair, allow your laptop's battery to drain below 25%—a charged lithium-ion battery is a potential safety hazard if accidentally damaged.

    • Save your work, fully shut down your laptop, and unplug all cables.

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  2. HP EliteBook 845 G8 Wi-Fi Module Replacement, Unfasten the bottom cover: шаг 2, изображение 1 из 2 HP EliteBook 845 G8 Wi-Fi Module Replacement, Unfasten the bottom cover: шаг 2, изображение 2 из 2

    • Despite the standards, Phillips screwdrivers can vary in size and shape—two drivers labeled as the same size may fit differently in the same screw. Use the size that fits the most snug into the screw head to avoid stripping it.

    • Use a Phillips screwdriver to fully loosen (but not remove) the five captive screws securing the bottom cover.

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  3. HP EliteBook 845 G8 Wi-Fi Module Replacement, Release the bottom cover clips: шаг 3, изображение 1 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement, Release the bottom cover clips: шаг 3, изображение 2 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement, Release the bottom cover clips: шаг 3, изображение 3 из 3

    • Position your laptop so the rear edge (with the screen hinge) is closest to you.

    • 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.

    • If you're having trouble inserting your spudger, make sure the screw is fully loosened. If necessary, use your fingers to gently pull the screw up.

    • Use your spudger to pry up the cover to release the clip securing it.

    • Leave the spudger inserted under the bottom cover for the next step.

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  4. HP EliteBook 845 G8 Wi-Fi Module Replacement: шаг 4, изображение 1 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement: шаг 4, изображение 2 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement: шаг 4, изображение 3 из 3

    • Slide your spudger along the rear edge toward one of the corners to release the rear edge clips.

    • 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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  6. HP EliteBook 845 G8 Wi-Fi Module Replacement: шаг 5, изображение 1 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement: шаг 5, изображение 2 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement: шаг 5, изображение 3 из 3

    • Reinsert the flat end of a spudger near the ELITEBOOK text.

    • Repeat the previous step for the other side of the cover to release the remaining clips.

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  7. HP EliteBook 845 G8 Wi-Fi Module Replacement, Remove the bottom cover: шаг 6, изображение 1 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement, Remove the bottom cover: шаг 6, изображение 2 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement, Remove the bottom cover: шаг 6, изображение 3 из 3

    • Lift and remove the bottom cover.

    • The cover should lift away easily. If you feel resistance, use the flat end of a spudger to release any remaining clips, and check that all screws are fully loosened.

    • During reassembly, slide the clips along the front edge of the cover (opposite the hinge) into their slots on the frame, then lay the cover down. Press firmly around the perimeter to engage all of the clips.

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  8. HP EliteBook 845 G8 Wi-Fi Module Replacement, Disconnect the battery: шаг 7, изображение 1 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement, Disconnect the battery: шаг 7, изображение 2 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement, Disconnect the battery: шаг 7, изображение 3 из 3

    • Position your laptop so the front edge (opposite the screen hinges) is closest to you.

    • 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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  9. HP EliteBook 845 G8 Wi-Fi Module Replacement, Disconnect the WLAN module cables: шаг 8, изображение 1 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement, Disconnect the WLAN module cables: шаг 8, изображение 2 из 3 HP EliteBook 845 G8 Wi-Fi Module Replacement, Disconnect the WLAN module cables: шаг 8, изображение 3 из 3

    • Slide an arm of a pair of angled tweezers under the metal neck of one of the coaxial connectors on the WLAN (Wi-Fi) module, located just below the fan.

    • Lift straight up to disconnect the cable.

    • Repeat to disconnect the second connector.

    • During reassembly:

    • Connect the cable with black tape to the socket with a black arrow below it, and the cable with white tape to the socket with a white arrow.

    • Use tweezers to hold a connector in place over its socket and gently press down with your finger or a spudger—the connector should "snap" into place. If you're having trouble, reposition the head and try again. Don't use excessive force.

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  10. HP EliteBook 845 G8 Wi-Fi Module Replacement, Peel up the Wi-Fi module tape: шаг 9, изображение 1 из 2 HP EliteBook 845 G8 Wi-Fi Module Replacement, Peel up the Wi-Fi module tape: шаг 9, изображение 2 из 2

    • Use tweezers to peel the tape off the bottom edge of the fan.

    • You don't need to fully remove the tape—it can stay on the Wi-Fi module.

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  11. HP EliteBook 845 G8 Wi-Fi Module Replacement, Remove the Wi-Fi module screw: шаг 10, изображение 1 из 2 HP EliteBook 845 G8 Wi-Fi Module Replacement, Remove the Wi-Fi module screw: шаг 10, изображение 2 из 2

    • Use a Phillips #1 screwdriver to remove the 2.5 mm‑long screw securing the Wi-Fi module.

    • With the screw removed, the module may pop up at a slight angle.

    • During reassembly, gently hold down the module while installing its screw.

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  12. HP EliteBook 845 G8 Wi-Fi Module Replacement, Remove the Wi-Fi module: шаг 11, изображение 1 из 2 HP EliteBook 845 G8 Wi-Fi Module Replacement, Remove the Wi-Fi module: шаг 11, изображение 2 из 2

    • Don't pull up at a sharp angle, or you may damage the Wi-Fi module and its socket.

    • Grip the Wi-Fi module by its edges and pull it straight out of its socket to remove it.

    • During reassembly, insert the module into its socket at a slight downward angle.

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Заключение

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.

Автор

Carsten Frauenheim

Участник с: 03/10/20

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