Wireless connectivity issues

Hi I am having some connectivity issues with my wireless on my laptop, I don't know what is causing this, I can connect for 20 or 30 mins before the connection drops. I am able to ping 127.0.01 and loop back what are pinging. I have run my antivirus, Malware and adware programs to see if I have anything but the results come clean. I have also done a clean install, wipe...