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1. Case 1: The user has iPad with Wi-Fi + 3G, if he connects to the home wireless, he can access the internet. However, if he uses 3G, the Safari gives the following message: "Safari cannot open the page because it is not connected to the internet".
Troubleshooting: The problem is that my AT&T assigned 169.254.x.x. IP that is not good IP address. Call AT&T support to fix it. Please refer to this gage to check IP settings: How to check IP address in iPad
Case 2: The iPad gets wireless signal, but can't access any web site.
Troubleshooting: Other wireless devices have the same issue. We found the DHCP doesn't setup right and assign incorrect DNS. Please refer to this gage to check the TCP/IP settings: iPad Wireless Configuration
Case 3: The iPad gets wireless signal, but can't access any web site.
Troubleshooting: Other wireless devices can access the Internet. We found the wireless router has web filter settings to block iPad access the Internet.
Case 4: I receive strong signal, but can't access the Internet. The fix is disabled the SPI firewall on the router.
Case 5: I fixed it by upgrading wireless firmware.
Case 6: The client can access the Internet at home but office.
Troubleshooting: The office has Prosy server to control the Internet access. To setup HTTP Prosy, please refer to this page: How to configure HTTP Proxy in iPad
How to enable Recovery Mode in iPad
How to check IP address in iPad
How to configure HTTP Proxy in iPad
How to configure static IP address in iPad
How to renew IP address on iPad
How to setup Wireless on iPad
iPad can't play video
iPad can't access the internet cases
iPad Wireless Configuration
iPad Wi-Fi Issues
