IP conflict happens when same IP address is assigned to two network devices connected to same network. Network devices can be either computer, printer or photocopy machine, etc. Most of the IP conflict occurs when the network devices are connected through DHCP IP address. Unlike static IP address in DHCP, IP address is assigned automatically to connect to the network device. It happens when two devices on network gets same IP address, then a network error pop up dialog box is appeared with the title "Windows has detected an IP address conflict".
To resolve IP conflict error:
1. Go to RUN from START button or hold down "WINDOWS KEY" and press "R" to open run dialog box.
2. In the run dialog box type "CMD" and press ENTER key to open COMMAND PROMPT.
3. At the command prompt type "IPCONFIG /ALL" and press ENTER key to know all the network devices connected to your system along with IP address of each device.
4. Now type "IPCONFIG /RELEASE" at the prompt to release the IP address assigned to all the network devices connected to your system.
5. Now type "IPCONFIG /RENEW" at the prompt to release the IP address assigned to all the network devices connected to your system. (Make sure the IP address are different to each network devices if not again network error pop up screen will appear. Keep doing the above procedures till all network devices IP addresses are different)