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Introduction |
| Use this guide to replace the WWAN card in your Lenovo ThinkPad T480s laptop. | | The WWAN (wireless wide area network) card allowallows you to connect to the internet without relying on a local Wi-Fi connection. If your computer has a WWAN card installed and you are having trouble using the internet without Wi-Fi, you may have a faulty WWAN card or antenna. | | | If you are having trouble accessing a local Wi-Fi connection, you may need to troubleshoot or replace the Wi-Fi card or WLAN antennas. | | | Before attempting a replacement, make sure to [link|https://support.lenovo.com/nl/en/solutions/ht510660-removal-and-replacement-videos-thinkpad-t480s-20l7-20l8/|disable the internal battery,] power down your device, and disconnect from any external power sources. |
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