Problem Connecting to Mobile Broadband

[ms zaryna <mszaryna gmail com>]

Hi,

I'm running Ubuntu 10.10 on my laptop, and been using network manager for couple of years. It's been working just fine until several days ago. I'm using mobile broadband with USB modem(Vodafone K-3565-Z), and it was able to detect and connect to internet ok, but then after like 2 minutes,  it lost the connection. I have to keep plug off my modem and plug it back to get the connection. The worst thing is it crashed my laptop, I got black screen and I can't seem to do anything other than reboot. I already made a report to my internet provider company, which will take 3 days at least to figure out if there is something wrong with my internet connection. Now I get connected ok, but I don't think the problem would just disappear. Hope someone can help. Thanks.

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mszaryna