I updated the BIOS to the latest Version 1.16 and still nothing has
changed.
Randomly after reboot the card is working without a problem, and after
standby or another reboot it isn't.
Another T450s (1 week old) has the same problem. Installed BIOS version
was 1.14, we updated to 1.16 and the car
The latest BIOS update for T450s contains:
* (Fix) Fixed an issue related to WWAN lost when USB3.0 enabled.
http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t
-series-laptops/thinkpad-t450s/downloads/ds102109
I haven't updated my bios yet, but I tried to disable USB 3.0.
Unf
** Changed in: network-manager-applet (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1440032
Title:
nm-applet is missing the Sierra EM7345 4G LTE
To manag
Removing the modules is not really working everytime.
The nm-applet is displayed (enter the sim pin) sometimes on the login
screen(enter password screen for login). In this case you can't activate
the Sierra card. Everytime you will receive an error, that the card
isn't ready or activated.
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Yo
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager-applet (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/14400
I also have a TP T450s with a Sierra EM 7345. It appears that this piece
of hardware is generally a bit unstable:
http://askubuntu.com/questions/580167/wwan-modem-disabeling-by-itself-ubuntu-14-10-lenovo-t440s-sierra-wireless-em7
https://forums.lenovo.com/t5/ThinkPad-Tablets/Thinkpad-10-EM7345-sto
After the latest updates the card isn't working anymore.
sudo lsusb -vs 1:28
Bus 001 Device 028: ID 1199:a001 Sierra Wireless, Inc.
Device Descriptor:
bLength18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSu
apport information
** Tags added: apport-collected
** Description changed:
The current system Ubuntu 15.04 Beta2 (up2date) is missing the nm-applet
after restarting the system.
It might be a problem with the Sierra EM7345 module?!
After the new install of Ubuntu 15.04 Beta2 i saw the
The card was working for the last 2 weeksnow after the latest
updates the nm-applet is missing the Sierra LTE card again.
I can't activate the card. Entering the pin, if the nm-
applet/networkmanager find the Sierra Card, isn't working, because the
nm-applet say that the card has to bee activa
If i deactivate and reactivate the Sierra EM7345 inside the bios and
reboot to ubuntu 15.04 beta2 with current updates, the card is working
again.
So it might be a problem with the power settings/handling by the sierra
card?!
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Apr 3 15:19:39 t450s ModemManager[848]: Modem
/org/freedesktop/ModemManager1/Modem/0: state changed (registered -> disabling)
Apr 3 15:20:26 t450s ModemManager[782]: ModemManager (version 1.4.0)
starting in system bus...
Apr 3 15:20:26 t450s ModemManager[782]: opening device...
Apr 3 15:2
Restart again, deactivated the Sierra EM7345 inside the bios, save and
restart to ubuntu -> no more Datacard available as expected.
Restarting again and reactivate the Sierra EM7345 inside the bios, save
and restart to ubuntu -> Windows with "Enter SIM PIN" is working, but
the nm-applet isn't wor
And now after a new restart the Sierra EM7345 is not anylonger
accessable inside the nm-applet/network-manager.
Clicking on activate MobileDataConnection activate does not do
anythingno more mobile data connection.
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After a reboot it is working fine too.
But after a standby i get the following msg if i try to connect to the
mobile data network
Aktivierung der Verbindung fehlgeschlagen (Connection failure)
(32) Connection 'T-Mobile(Telekom) Vorgabe 1' is not available on the device
cdc-wdm0 at this time.
Re
I just installed Ubuntu 15.04 Beta2 again without any updates.
The Sierra EM7345 is now available again. And i can setup a new mobile-
data connection.
I will now try a reboot and try to reconnect to the mobile-data network
again (without any updates before)
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