SIMPLE STEPS TO TROUBLESHOOT INTERNET PROBLEMS
WHY IS MY INTERNET NOT WORKING
Step 1: Check with your ISP provider regarding the Server Down or Check the ADSL/DSL Modem router light status for ADSL Router (DSL should be green) and for DSL Router (WAN should be green) and not blinking.
Step 2: If you ISP is Working fine, then other option to try out that is clear cookies, temp files from the browser sometimes the DNS does not resolve to IP since the dns cahce stored in your PC.
Step 3: You can download Ccleaner to clean up your junk files in PC as well as in Browser, Download Winsockfix to reset the TCP/IP protocol.(Delets ARP table, Flush DNS, Resets you IP settings)
Step 4: If the above steps falls, then check for physical connectivity of cable or restart your router and if still problem persist Log a Complain to ISP.