Saturday, November 10, 2012

[Solved] No Internet With Invalid IP Address

                      Previous article of mine was on No Connectivity with Valid IP Address. Well now i will write on No Connectivity with Invalid IP Address. Instead of Complaining to network provider first try doing this simple basic steps which is easy to follow & help you get your connection back.

1) Well First you should see what kind of Connection you got.


  • Check if its wired connection or wireless.
  • Check if there is a router connected in between the modem & PC.
  • If there is a router in between the PC & modem then you should connect the PC to the modem directly.

If these doesn't work out then follow these steps.


2) Check IP address (Internet Protocol Address)

  • Click Start.
  • All Programs.
  • Accessories.
  • Right Click on Command Prompt.
  • Run as administrator and continue.
  • Now type 'ipconfig' and press enter (Type this without Single Quote)

If you see IPv4 address as 169.254.X.X then continue with these steps.

  • Turn of PC & Modem.
  • Unplug power cables from PC  & Modem.
  • Press reset button on modem for 30 seconds this drains out the excess power from modem.
  • Hold down the power button on PC for 30 seconds again without the power supply cord attached. This does the same work.
  • Turn on Modem, Wait for all the lights to be solid. (All these steps are called power cycling)
  • Once all the lights are solid turn on PC.
  • Check the IP address again.
  • If you get a valid IP try open IE or any Browser & browse the internet.
  • If still there is invalid IP then there is simple way to release & renew your IP address 
  • If IP address is assigned by DHCP (Dynamic Host Configuration Protocol) then go to start and type Run in search bar. Run Window will appear, type cmd in it & press ok. Or type cmd in search bar and then right click on cmd and go with Run as administrator.  Click on continue if it asks.
  • Now to Release your IP address type 'ipconfig /release' after typing you should renew it too and that could happen by typing 'ipconfig /renew' (Note:  There is a space after ipconfig and type without Single Quote)

  • And now will Flush DNS also, Type 'ipconfig /flushdns' (Note:  There is a space after ipconfig and type without Single Quote)

  • If your still unable to connect to internet then check whether your Network card is fine or not.
  • After doing the entire test, you are still not connected then there would be a problem with the network provider. 
                                                                                              

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