hi all,

I own a Dell xps l502x i7 second generation model
1 month ago the problem has started actually my wifi connection started saying limited access anytime while buffering or downloading the file ,by troubleshooting i got the message as default gateway is not available so everytime it used to fix it but again after sometime it used to show the same limited access problem and net has also gone too slow but suddenly yesterday it stopped connecting to my wifi and gives the message in connect to a network window - 'the computer currently  has limited connectivity to iist' along with troubleshoot option 
after troubleshooting i got the problem as- ' there might be a problem with the driver for the wireless network connection adapter'
i have uninstalled and installed the wifi driver and network adapter but it is still showing the same problem
and one more thing when i m diagonising the wireless hardware and connection in INTEL PROSET/WIRELESS TOOLS i m getting ping test - failed  

Please advise if you have any idea how to fix this issue.

thank u so much

-akash