Hi terryrogers1984,Please don’t take this as gospel but I think the Huawei EM680 w/Gobi uses the Gobi 3000/ Qualcomm HS-USB WWAN driver. If is the case then there were various Vaio models with this device released with Win 7 as the original OS.
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One of which is the VPCSE2C5E.As you have installed a retail copy of Windows you may need to also install various drivers and utilities that the WWAN device is dependent on. These include, but may not be limited to, Sony Shared Library, Sony Notebook Utilities and Vaio Smart Network.Rich.