1. Domain name, resolution is not normal, expired, or termination of service, will lead to can not find the server. The only solution in this case is to check the domain name and contact the domain registrar to confirm the cause.
Servers, space, environmental anomalies, or stop the service, the site naturally can not open.
2. This can be done by restarting the service IIS, closing part of the site, suspending some of the plug-ins, and other basic troubleshooting methods, as well as replacing the server environment, and so on.
3. Network reasons, if the network is not available, the site is not open. It is recommended to use Tracert (traceroute) way to see if there is an abnormal delay in the access route of the equipment, the use of proxy access to use other lines to test the speed.
4. Client problems, browser incompatibility, or abnormal crash can lead to web pages can not be opened. Just change your browser to test it.
On October 4, 2011, Apple released the fifth-generation iPhone, the iPhone 4S. The phone features iOS 5 and integration with Twitter. In addition, iOS 5 introduced Siri, a voice assistant that, although teased as a doll at the time, has huge potential today.
On October 5, 2011, Steve Jobs died of pancreatic cancer. Apple said in a statement, "Jobs' talent, passion, and energy were the source of Apple's constant innovation, and the world is a better place because of Jobs."