I use a 3g sim alongwith a dongle. One certain day my connection got disrupted and ever since then i'm unable to connect to the internet using that particular sim. I've called up the customer care and they assured it wasnt an issue from their behalf. Surprisingly, when i used the dongle with other sim cards, it connected seamlessly. I've tried resetting the winsock and tcp/ip settings, deleted the redundant network profiles from registry settings but to no avail. It seems formatting my computer is the last resort. Please help.
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