The symptom: The network adapter appears in Device Manager without a yellow mark, but Windows shows "No Internet Access." The cause: The NDIS driver is installed, but the modem is not in "Modem Mode." It is still acting as a storage device. The fix: You need to "Eject" the virtual CD-ROM manually.
Use the E5372s as a Wi-Fi hotspot instead of USB modem: Driver Modem Huawei E5372s
If the onboard installation fails, you may need to download the Huawei Mobile Partner software or the specific HiLink driver. The symptom: The network adapter appears in Device
If you only want the network adapter driver and do not want the "Mobile Partner" dial-up software, you need the USB NDIS driver. If the onboard installation fails, you may need