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mschaffer
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Posts: 19
Registered: ‎12-06-2008
Location: US
Views: 5,935

X1 Carbon gen 4 and Sierra Wireless EM7455 WWAN problems after hibernate (Win 7)

Hello.

I just received my X1 Carbon gen. 4 laptop with a factory installed Sierra Wireless EM7455 WWAN card and provisioned with Windows 7.  Unfortunately, I have a very persistent and annoying problem.

 

Almost every time it resumes from hibernate mode the WWAN card device fails to restart---the Sierra Wireless EM7455 Qualcomm Snapdragon X7 LTE-A QDLoader Port has an error: "This device cannot start. (code 10)" as reported by the Device Manager.

 

I have updated the drivers to the latest version  on the support site (version 7.26.4539.0105 of the Sierra Wireless Lenovo Mobile Broadband Driver Package/Device driver version 16.3.1005.41)

 

Any thoughts?

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