I just upgraded Ubuntu 12.04.1 from Ubuntu 11.10. On 11.10 my USB Modem (Micromax352G) worked fine to connect to the internet but now when i insert it , the "Enable Mobile Broadband" is not appear. I tried to several times as i used to connect in ubuntu 11.10. Please someone tell me how to connect to the Internet.
System Configuration : Acer Aspire 4750Z 32-bit dual boot with Windows 7