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.
You would need to uninstall and reinstall the driver for your device on your laptop.
If you do not have the driver with you, please follow the steps below –
1. Please uninstall the existing drivers for Ericsson F3507g from Programs and Features. Also uninstall the Access Connections, if listed.
3. Go to Installation instructions section and install the pre-requisites in Step the Notes section.
a. Access Connections version 5.10 or higher
b. ThinkPad Power Management Driver for Windows 98 SE/Me/2000/XP/Vista version 1.42 or higher
c. Hotkey driver for Windows Vista 32-bit and 64-bit, XP, 2000 version 2.08.3000 or higher
4. Download 7uwc44ww.exe (Vodafone and AT&T Wireless WAN (HSPA) Driver) and install the setup after extracting.
5. You should now be able to connect using Access Connections application.
Device Just Work, Mobile Broadband