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Most of the time, the troubleshootings comes from cables (Optical fibers included)
The network consists of hardware, problems can vary from a defective network card or hard drive malfunctioning, a bad starting materials or incorrect configuration
We have to check the LAN DRIVER Has been installed
Most common hardware related problems are PaBX, LAN Card, WLAN Card and Wi-Fi AP if it is wireless, Cables, Switches, Routers and Wireless Controllers.
Most problems are hardware related, a faulty power cable or power supply unit. Sometimes RAM needs to be upgraded or VGA cable is not properly connected.
check cable or resat the Router.
The cables or even from the switch
if I understand the question in the event that there are problems in computer street-network: there are problems with the material such as the network card if it is defective or it is not installed, only the network cable not good, the connection between the connector and the cable is not good, if there are two or more post to take the same name or the same IP address ...
cables, continuous Power Failure, or other hardware related network malfunction
I fully agree with the answers been added by EXPERTS................Thanks.
