i got a very strange problem.whenever someone switchs on tubelight in my home my mobile gets disconected from coputer (via usb nokia 3230) and so does my internet connection(gprs),it may be bcoz of surge,spikes etc from tubelight..some one plzz help me find solution urgently

what i know so far is the tubelight got effect on radio frequency, but in this case, strange.. never have this problem before.