comcast internet troubleshooting

On the internet, we often encounter such, such a network failure, how to deal with it? Today, we have a few common problems for you to analyze! 1. Symptom: Network adapter (NIC) settings conflict with computer resources. Analysis, exclusion: Avoid conflicts with other resources of the computer by adjusting the IRQ and I/O values in the network card resource. In some cases, it is also necessary to adjust the conflict with other resources by setting

. Especially the network card, if contact is bad, also can appear this fault. Because the machine did not appear this fault, may be a bad contact card, the machine will open, reinstall the network card, the results of the failure to lift. Fault comments: As long as we fully understand the role of Winlogon.exe, then solve the problem can be easily done. For us to engage in Internet cafes maintenance, learning things, we must be meticulous, do not do

that the fault should appear here. After the oxide layer is cleared with a knife, the twisted pair wires are reconnected to the switch. The fault has been solved. But how can the new crystal head be oxidized. Later I found that there was a rice bag under the cabinet containing these crystal heads. Oh, it turned out that the steam used to cook made the copper pieces of the crystal head oxidized. This incident reminds us of the impact of the environment on network devices and devices.Fault Analys

seems that the fault should appear here. After the oxide layer is cleared with a knife, the twisted pair wires are reconnected to the switch. The fault has been solved. But how can the new crystal head be oxidized. Later I found that there was a rice bag under the cabinet containing these crystal heads. Oh, it turned out that the steam used to cook made the copper pieces of the crystal head oxidized. This incident reminds us of the impact of the environment on network devices and devices. Fault

the following troubleshooting steps. (1) The VLAN6 and VLAN7 VLAN information in the Annette Network management switch All deleted, all the ports are zoned in the normal VLAN1 of the Internet, which they completely and VLAN1 the same. But the problem remains the same, while the users in other office areas VLAN1 the Internet. (2) from the Step (1) inferred that

below: 6509 # conf t Enter configuration commands, one per line. End with CNTL/Z. 6509 (config) # interface gigabitEthernet 3/48-enter the cascade interface 6509 (config-if) # switchport trunk? -View the Trunk status Allowed Set allowed VLAN characteristicswhen interface is in trunking modenative Set trunking Native characteristics when interface is in trunking modepruning Set Pruning VLAN characteristics when interface is in trunking mode VLAN wireless Int