ip adress problem are due to network cables.

many of time we never check the cables conditions and cable connectors it is become the main problem of the connectivity issue.some time people see the massage in the task bar that show the error.
list of error of cable connectivity issues
ip conflicts with another computer problem?
your ip is conflicting to another computer.
Many of time you connectors are damage but feel good in condition without any hesitation change the connectors.some time wire are damage from inside the cover as it touch to their pair it start working and after as it again damage it stop working.