# Sending Emails from the core, locking up!

**URL:** <https://community.particle.io/t/sending-emails-from-the-core-locking-up/2545>\
**Category:** General\
**Created:** [February 2, 2014, 7:01am UTC](https://community.particle.io/t/sending-emails-from-the-core-locking-up/2545 "2014-02-02T07:01:26Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![BDub](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/bdub/32/5137_2.png) [@BDub](https://community.particle.io/u/BDub)\
**Post date:** [February 5, 2014, 7:00am UTC](https://community.particle.io/t/sending-emails-from-the-core-locking-up/2545/13 "2014-02-05T07:00:00Z")

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> [@jboswell](#):
>
> I haven't hooked the core up via USB really, just piped voltage in via a power source and wrote code on the web CLI. I am not really sure how to get serial out of it, putty maybe?

Check out this thread, even if you don't have windows it should help. Sounds like you might though.

> **[Installing the USB Driver on Windows & Serial Debugging](https://community.particle.io/t/installing-the-usb-driver-on-windows-serial-debugging/882)**
>
> NOTE: These steps are outdated and no driver is required for the latest Windows 10 !!! This installer will clean up old drivers and install a combined driver though if you’d like to try it: ...

> [@jboswell](#):
>
> Does the Core drop completely offline or just disconnect from the cloud when a function takes longer than 10 seconds to complete?

Typically it drops back to trying to connect to WLAN if I remember correctly... then NET, then CLOUD.

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