I am unable to use Ericsson F3507g with my Lenovo W500 laptop after upgrading to Windows 7 from Windows Vista…

This device works on clean installation on Windows 7. On upgrade there is a known issue that the device comes up with a bang. You can also notice the same from Setupapi.dev.log reports "Device not started: Device has problem: 0x0a: CM_PROB_FAILED_START". For the same, uninstalling and reinstalling the driver is known to solve the problem….

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