Given the following network troubleshooting scenarios, identify $($several$)$ possible sources of the problem and identify what might you try to do to solve the problem. List the steps $($more than one$)$ you would consider for each scenario.

$$ A Windows $7$ user wants to upgrade to Windows $10$ but cannot determine how to do it$.$ What do you tell them?

$$ A user just upgraded to Windows $10$ and now, local LAN printers are no longer accessible. What could be wrong? How can it be fixed?

$$ A user upgrades from Windows $7$ to Windows $10$ and no networking functionality is available? What could be wrong? How can it be fixed?

$$ A new computer system is connected to the network switch. The system complains that a network cable is unplugged. The user notices that the link light is not $"$on$"$ the port indicator on the switch. What could be wrong? How can it be fixed?