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4G LTE USB Modem 551L disconnects automatically if idle for 5 minutes.
rebalspirit
Member

Since upgrading to windows 10, my 4G LTE USB Modem 551L disconnects automatically if idle for 5 minutes.  When I try to reconnect, I receive an "unknown error message" (MBNOx80548201) and have to reboot my entire computer to reset the modem reconnect to the internet.  This is happening a dozen times a day.  Is there a fix for this that does not require multiple reboots?

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Re: 4G LTE USB Modem 551L disconnects automatically if idle for 5 minutes.
7e18n1
Sr. Member

See if this thread can help. It involved the 551L and the user wanted it to run without VZAM and manually configure Windows to use it. I know it not for Windows 10, but the information still might help.

https://community.verizonwireless.com/thread/861022