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Lenovo ThinkPad T480s Hall Sensor Replacement

简介

Use this guide to replace the Hall sensor in a Lenovo ThinkPad T480s laptop.

The Hall sensor is used in laptops that don’t have a mechanical latch. It can tell if your laptop is closed or not. If the Hall sensor is not working, it may not tell the system to turn off when the screen is closed. If your Hall sensor fails due to corrosion, cracks, or breakage, you may need to replace it. Prior to beginning the repair, check out the Lenovo Troubleshooting page.

Make sure to disable the internal battery, power down your device, and disconnect from any external power sources before you begin.

你所需要的

  1. Lenovo ThinkPad T480s Hall Sensor Replacement, Bottom Cover: 步骤 1 中的图像 1，2 Lenovo ThinkPad T480s Hall Sensor Replacement, Bottom Cover: 步骤 1 中的图像 2，2

    • Disable the battery, power down the device, and unplug the power adapter from your device before proceeding/beginning the guide.

    • Loosen the six captive screws with a Phillips #1 screwdriver.

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  2. Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 2 中的图像 1，3 Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 2 中的图像 2，3 Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 2 中的图像 3，3

    • Remove the bottom cover with an opening tool.

    • Start from the top edge near the hinge and work your way along the edge until all of the clips are unsnapped.

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  3. Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 3 中的图像 1，2 Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 3 中的图像 2，2

    • Lift the bottom cover off.

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  5. Lenovo ThinkPad T480s Hall Sensor Replacement, Battery: 步骤 4 中的图像 1，2 Lenovo ThinkPad T480s Hall Sensor Replacement, Battery: 步骤 4 中的图像 2，2

    • Use the Phillips #1 screwdriver to remove four 4.5mm screws that hold the battery down to the mid frame.

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  6. Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 5 中的图像 1，3 Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 5 中的图像 2，3 Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 5 中的图像 3，3

    • Lift the battery near the connector and remove it from the system.

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  7. Lenovo ThinkPad T480s Hall Sensor Replacement, Hall Sensor: 步骤 6 中的图像 1，3 Lenovo ThinkPad T480s Hall Sensor Replacement, Hall Sensor: 步骤 6 中的图像 2，3 Lenovo ThinkPad T480s Hall Sensor Replacement, Hall Sensor: 步骤 6 中的图像 3，3

    • Use a spudger to disconnect the cable from the Hall sensor.

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  8. Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 7 中的图像 1，2 Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 7 中的图像 2，2

    • With the Phillips #1 screwdriver, remove one 3.1 mm screw from the sensor.

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  9. Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 8 中的图像 1，3 Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 8 中的图像 2，3 Lenovo ThinkPad T480s Hall Sensor Replacement: 步骤 8 中的图像 3，3

    • Remove the sensor from the system.

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结论

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.

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