Windows 10 KB4556799 update breaks your laptop’s wireless LTE connectivity

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Microsoft bungles again, latest Windows 10 KB4556799 update breaks wireless LTE connectivity

Two days back we had already reported about Microsoft’s latest update release called Windows 10¬†Windows 10 KB4556799 update was causing audio problems for users as well as giving error code 0x800f0831 and 0x80070308 and failing to update for some users.

Now the Windows 10 KB4556799 update is giving connectivity issues for some users. Many users had complained on the Ten Forums that their LTE modem was unable to connect to the network after installing the update. Yesterday, Microsoft confirmed that laptops that have wireless wide area network (WWAN) LTE modem may face issues with connectivity after installing the Windows 10 KB4556799 update.

This issue only affects laptops that have WWAN modems. Many frequent travelers use such laptops that have integrated WWAN modem or mini PCI-E adapters or USB adapters.

Microsoft issued an updated bulletin on its website stated that laptops using WWAN LTE modems cannot connect to the network despite the network connections showing that the modem is working correctly.

After installing this update on a Windows 10 device with a wireless wide area network (WWAN) LTE modem, reaching the internet might not be possible. However, the Network Connectivity Status Indicator (NCSI) in the notification area might still indicate that you are connected to the internet.

Microsoft

If you have a laptop running on Windows 10 with WWAN modem, mini PCI-E adapters or USB adapters, you should uninstall the Windows 10 KB4556799 update for it to work properly. You can uninstall it by following this article. Microsoft says that it will patch the issue in its next update.

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