I have a laptop that used to share network through ethernet cable to my desktop . After a month it gave an error on my laptop "ethernet exiting pxe rom " and had to reinstall windows 7 now whenever I share ICS my Lan no Internet access and my wireless network no Internet access . When I troubleshoot Lan "no valid ip" . But when ICS is unchecked my wifi works . But can't share to my pc ....plss help