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kaho
Paper Tape
Posts: 1
Registered: ‎09-29-2016
Location: HK
Views: 946
Message 1 of 2

Lenovo X1C WWAN em7455 error

Hi, I have Lenovo X1C i6500 version(20FB),BIOS 1.18, which without wwan card.

I have bought Sierra EM7455 and install it,after statup,it show 1802 Unathorised network card is plugged in...

but i had checked that 7455 is onlist....

 

Then i REMOVE it and go in Win10,then sleep mode, then reinstert EM7455.

that is ok...

then cmd>netsh mbn sh int..

 

There is 1 interface on the system:

 

Name : Cellular
Description : Sierra Wireless EM7455 Qualcomm SnapdRagon X7 LTE-A
GUID : {94E3DA8F-CDD1-4B20-B21F-XXXXX}
Physical Address : b4:85:95:50:xx:xx
State : Not connected
Device type : This is a remote device
Cellular class : GSM
Device Id : 35907xxxxxxx
Manufacturer : Sierra Wireless, Incorporated
Model : Sierra Wireless EM7455 Qualcomm
Firmware Version : SWI9X30C_02.08.02.00
Provider Name :
Roaming : Not roaming
Signal : 0%
RSSI / RSCP : 0 (-113 dBm)

 

IN DEVICE MANAGER I FOUND THE HARDWARE ID IS 1199/9079...

PLEASE HELP...

ThinkBox
Token Ring
Posts: 214
Registered: ‎08-24-2016
Location: DE
Views: 892
Message 2 of 2

Re: Lenovo X1C WWAN em7455 error

 

Power On the Carbon without the AC Adapter

go into  the Bios settings.

Power Off the Battery in the Bios...wait 30 sec.

make a hard reset on the Carbon,

plug in the AC Adapter

and turn On the Carbon...

then the EM 7445  will work...

 

then install the latest lenovo EM 7445 driver...

and make shure the Windows are up to date...

http://support.lenovo.com/de/de/products/Laptops-and-netbooks/ThinkPad-X-Series-laptops/ThinkPad-X1-...


best regards...

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