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Hello



I am using O2 6431 router and windows 10 OS in the laptop. Before I was having windows 8.



For more than year, I am having problem with the connection between the laptop and the router. The connection between the router and other devices like mobiles, ipads are going fine.



Everyday as soon as I switch on the laptop, I used to get a symbol showing "Limited internet connection".



If I do the Troubleshoot problems, I used to get the error message "DNS server is not responding".



Everytime either I need to restart the laptop 2 to 3 times or need to restart the modem.



I follow this procedure since months/years.



I had also informed this with the O2 support team. They told some trouble shoot methods but none of them helped out.



I tried by using alternate DNS servers also (eg. 8.8.8.8).



One of my friend told there could be some problem with my wireless card on the laptop. So I bought one externet USB wireless receiver also. But even that didnt solve this problem and I get this limited internet connection problem every now and then.



Can anyhow give me some suggestions to solve this



Hi balakris.p,



as all other devices work without this error, it seems that the problem is not the router, but on the PC. 



I also had the idea of a defect of your Wi-Fi card, or outdated hardware drivers.



Because we can exclude this also, I would suggest a reset or a reinstallation of your Windows OS.



Rgards,



Christian



Hi Christian



thanks for your reply.



As I had mentioned, I had this problem for years since I start to use windows 8 and now in windows 10. So just a reset of windows OS is not going to solve this issue I suppose.



Also I had doubt that there could be some incombatibility between  wi fi card in the laptop and the router.



For this reason only I bought  an external usb  wifi adapter.



Even after connecting through it, my connection to the laptop goes off suddenly saying limited internet connection.



Have you performed an update from Windows 8 to Windows 10 or completely reinstalled Windows 10?



During an update you could pick up the error, so that a new installation would be quite useful. 



Do you usually shutdown your PC completely, or only in sleep mode?



Regards,



Christian



Thanks for your reply Christian,



I have performed the update from windows 8 to windows 10. But like I had mentioned earlier, this problem of limited internet connection (DSL server is not responding) was also there when I used the windows 8 OS.



I usually shut down the PC completely.



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