Step 1: Firsly, you press start button and type to the search box "Run" and enter.
Step 2: After this go and type cmd and enter.
Step 3: Now you opened the command prompt ok now type ipconfig and Save somewhere the IPs.
Step 4: Ok Now Go to the control panel and "Network And Internet"
Step 5: After that go to the "Network And Sharing Center"
Step 6: You see your network connection and etc search for "Change adapter settings"
Step 7: Right Click to the "Local Area Connection" Or "Wireless Area Connection" and then Properties.
Step 8: In General Tab Press "Use the Following IP Address" in these cases put the backup IPs from Step 3.
Check Me
Step 9: For The DNS IP you go again start > run > cmd > and type ipconfig /all you see this:
So that is a guide for reset your IPs to the default IPs! If you have any problem just check if something changed if yes use this guide and check the Back Up IPs with your current.
Notice: Be careful this guide its only for one computer you can't use your IPs for 2 or 3 computers.
Credits: Zeon®