Resetting various operating systems to use DHCP
Open system preferences and go to network preferences. Ensure that "Configure IPv4" is set to "Using DHCP"
- To open an administrative command prompt,
Win XP: click Start and choose Run. Enter cmd in the run box and click OK
Win V/7: click Start and then type cmd in the Search programs and files box.
Win 8: go to the start panel then type cmd
- Win V/7/8: Right-click the CMD.exe icon, and then click Run as administrator.
Win XP: Skip.
- If/when the User Account Control box appears, click Yes.
- At the command prompt, enter the following command, and then press Enter:
netsh int ip reset c:\resetlog.txt
Restart the computer.