Renewing on Windows 10/8.1/8
If the user has an IP of 169.254.x.x, then the machine is having trouble connecting to the DHCP and is self assigning itself an IP address.
1) Log into the PC
2) Make sure that you are connected to a wireless and/or hardline network
3) Click the Start button, and then type cmd
4) A command window will open
5) At the command prompt, type ipconfig /release and after that operation completes type ipconfig /renew
6) This will grant you a new IP address, and sure clear up any IP conflict on your network
7) If this does not work, verify that the user's DNS is set to automatic and not manual.
Renewing on Windows 7
1) Log into the PC
2) Make sure you are connected to a wireless and/or hardline network
3) Click the Start button, and then type cmd
4) A command window will open
5) At the command prompt, type ipconfig /release and after that operation completes type ipconfig /renew
6) This will grant you a new IP address, and sure clear up any IP conflict on your network
Renewing on Macintosh
1) Log into the Mac
2) Make sure you are connected to a wireless and/or hardline network
3) Click Apple Menu → System Preferences → then click Network
4) In the list at the left, select the network service that needs a renewed IP address
5) Click Advanced, click TCP/IP, then click Renew DHCP Lease
Resetting Network Drivers on Windows 10/8.1/8/7
Make sure you run the CMD as the Administrator, these commands will not work on the default CMD.
1) Log into the PC
2) Make sure that you are connected to a wireless and/or hardline network
3) Click the Start button, and then type cmd
4) A command window will open
5) At the command prompt, type netsh winsock reset and hit the Enter key
6) Once the command has been executed, a message will display saying "Winsock reset completed successfully."
Resetting Network Drivers on OSX/macOS
1) Click the Network icon in the top right-hand corner of your desktop.
2) Select Turn Wi-Fi/Airport Off from the drop-down menu.
3) Wait a couple of minutes.
4) Click the Network icon again and select Turn Wi-Fi/AirPort On.
5) Wait for the Wi-Fi/Airport to restart and then reconnect to your default network.