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  2. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    Check the physical connection - A loose cable or cord can often be the cause of a connection problem. Make sure everything is securely connected to the wall and device. 3. Reboot your modem/router - Sometimes the old "turn it off and on again" approach actually does work! Just wait about five minutes before turning it back on to make sure ...

  3. AOL Dialer: Fix common problems - AOL Help

    help.aol.com/articles/aol-dialer-fix-common-problems

    1. Click Connection Settings. 2. Confirm the listed modem and location. 3. Click Next. 4. Confirm call waiting settings (see step 1 above). 5. Enter your area code. 6. Click Next. 7. Choose whether to dial 1 and/or 1 + Area Code. Note: Many areas now require 10 digit dialing, and in some cases 1 + Area Code may be required as well. Contact your ...

  4. Troubleshoot a dial-up connection - AOL Help

    help.aol.com/articles/troubleshooting-a-dial-up...

    An active internet connection is required to be able to access all the best that America Online® offers. If you're using dial-up internet and can't connect, try the following troubleshooting steps: Check the dial tone - If you DO have one, it's likely the problem has something to do with your computer. If you DON'T, it's likely the problem has ...

  5. Duplex mismatch - Wikipedia

    en.wikipedia.org/wiki/Duplex_mismatch

    Communication is possible over a connection in spite of a duplex mismatch. Single packets are sent and acknowledged without problems. As a result, a simple ping command fails to detect a duplex mismatch because single packets and their resulting acknowledgments at 1-second intervals do not cause any problem on the network. A terminal session ...

  6. Packet loss - Wikipedia

    en.wikipedia.org/wiki/Packet_loss

    Packet loss is detected by reliable protocols such as TCP. Reliable protocols react to packet loss automatically, so when a person such as a network administrator needs to detect and diagnose packet loss, they typically use status information from network equipment or purpose-built tools.

  7. Internet outage - Wikipedia

    en.wikipedia.org/wiki/Internet_outage

    Electronic information stand without an internet connection, at Schiphol Airport, Netherlands. An Internet outage or Internet blackout or Internet shutdown is the complete or partial failure of the internet services. It can occur due to censorship, cyberattacks, disasters, [1] police or security services actions [2] or errors.