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I have this very weird problem with my internet connection. I'm using a DHCP net connection. However, whenever I try to connect it, even if it connects, it either disconnects immediately or (most often) on the launch of any application requiring the Internet.

I've tried the following things already:

  1. I have two lab cards along with the in built one and two PCI slots on my motherboard. Tried all the combinations possible but still the same result.
  2. Checked my cable wire thoroughly. Doesn't seem to be a problem.
  3. Ran a virus scan on my PC, found no viruses, but still opted for a clean install of windows again but nothing changed.
  4. Wiped out my hard disk entirely and only kept Windows. Still same problem.
  5. Referred to Is my network card faulty? for answers. Tried all of them but no improvement.
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I'm sorry for the bad formatting since I had to post this question via the mobile site –  Ayush Khemka Sep 19 '13 at 17:30
    
OS? If Windows, have you tried Safe Mode with Networking? How about checking to see if it works via a Linux LiveCD or alike? –  techie007 Sep 19 '13 at 17:37
    
Just out of curiosity, can a nvidia graphics card paired with an and processor on an asus motherboard cause the conflict? –  Ayush Khemka Sep 19 '13 at 17:43
    
@techie007 tried in windows safe mode, same problem. I don't have a Linux so is it OK if I try it on some other version of windows lest my version of windows installation CD be corrupt? –  Ayush Khemka Sep 19 '13 at 18:01
    
Oh and by the way, sorry not to mention, by disconnecting I mean that it shows network cable unplugged for a fraction of a second –  Ayush Khemka Sep 19 '13 at 18:17
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