TLE MODULE 2 Q4

• Network problems


  • Unplugged network cable
  • Website temporarily offline
  • IP address conflicts
  • Computer firewall malfunctions
  • Outside wireless signal range
  • Wireless network configuration
  • Broadband router or access point malfunctions
  • Blocked by your service provider
  • Computer glitches
  • Network downtime
• Unplugged network cable


  Ensure wired or wireless network hardware is switched on and plugged in
• Website temporarily offline


  Web site (or whatever server is on the other end of the connection) being temporarily offline
• IP address conflicts


  Manually change IP to a different number
• Computer firewall malfunctions


  Firewall software running on most computers is intended to prevent unwanted network traffic from disrupting its operation
• Computer firewall malfunctions


  Temporarily disable software firewalls to determine if it may be the cause of Internet connection problems
• Outside wireless signal range


  • The farther away a Wi-Fi device is, the slower the local connection generally runs, until it breaks altogether
  • Wireless signal interference in the area can also limit the effective range of a Wi-Fi connection
• Outside wireless signal range


  1. Measure the strength of your wireless signal and try these ideas to expand the range of your Wi-Fi

  2. Place the router at a height in some central location and away from other cordless devices

  3. Avoid placing the router near something metallic or mirrors

  4. Replace omni-directional antennas with more powerful uni-directional antennas
• Wireless network configuration


  Wi-Fi networks with encryption options like WPA or WEP turned on require computers to use matching security keys when connecting
• Wireless network configuration


  Confirm that the Wi-Fi channel number and encryption keys on your router have not recently changed
• Broadband router or access point malfunctions


  Technical glitches with the router can prevent computers from connecting to the Internet
• Broadband router or access point malfunctions


  Check the router's lights and console to ensure it is running and responding properly, troubleshoot and reset the router if necessary, change the old router if necessary
• Blocked by your service provider

  Internet Service Providers (ISPs) can choose to block access from your account if you fail to make payment or otherwise violate the provider's Terms of Service
• Blocked by your service provider


  Contact your ISP if you suspect your account has been blocked
• Computer glitches


  A computer's network adapter hardware might suddenly fail due to overheating or age, failures in the operating system software that control the adapter can occur frequently, viruses and worms may disable or block a computer's network interfaces from functioning properly
• Computer glitches


  Check the computer and remove any malware, on Windows computers try resetting the network connection, reboot the computer if necessary
• Network downtime


  Those using satellite Internet service may notice they cannot connect to the Internet during periods of very bad weather, providers in dense urban areas sometimes are unable to support peaks in network traffic that causes sporadic outages for some customers, those who subscribe to newer or more complex forms of Internet services may experience more downtime than others as providers encounter more issues with relatively less mature equipment
• Network downtime


  Contact your Internet provider to verify whether they are experiencing an outage, some providers also give advice on troubleshooting problems connecting to their network