For Windows Vista
1.
Open the
Start
menu, and
type
cmd
in the text box then
click
OK
.
2.
The command prompt
window will appear.
3.
Type
ipconfig
at the
command window and press
Enter
to view the computer’s
IP information from DHCP
server.
4.
If the computer is holding a
current IP address, type
ipconfig /release
to let go of
the address, then type
ipconfig /renew
to obtain a
new one.