Introduction
If your Lenovo ThinkPad T570 Laptop is experiencing weak wireless connectivity, frequent dropouts, or can’t detect Wi-Fi networks at all, a faulty Wi-Fi card might be the culprit. This guide will walk you through the steps to safely replace the Wi-Fi card on your device. Whether you're upgrading to a newer model or replacing a damaged one, this process will help restore full wireless functionality. Make sure to power down your device and disconnect it from any power sources before beginning the repair.
What you need
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Switch the left latch to the left to unlock the battery.
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While holding the right latch to the right, slide the battery away from the device.
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Loosen the seven captive screws on the back cover of the laptop using a Phillips #0 screwdriver.
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To reassemble your device, follow these instructions in reverse order.