Every computer has its own IP address.
But sometimes, you may encounter the your setup has lost the lease to its IP address issue.
If you dont know how to fix it, this post fromMiniToolprovides some methods for you.

you better see to it that the cables are in the right place.
If you are using Wi-Fi, it’s possible for you to reset your router.
If this doesnt work, move to the next solutions.

Here is the tutorial:
Step 1: Typecmdin theSearchbox and right-clickCommand Promptto chooseRun as administrator.
Step 2: ClickYesto open theCommand Promptwindow.
Step 3: Typeipconfig /flushdnsand then press theEnterkey.
Successfully flushed the DNS Resolver Cache.
Now check whether the your gear has lost the lease to its IP address error is gone.
To do that, you’re able to follow the steps below.
Step 1: OpenSettingsand then clickNetwork & Internet.
Step 3: ClickReset nowand follow the pop-up instruction to finish the operation.
you oughta do the following steps:
Step 1: PressWin+Ito openWindows parameters.
Then clickNetwork & Internet.
Step 2: In the right pane, selectNetwork and Sharing Center.
Step 3: InNetwork and Sharing Center, clickChange adapter prefs.
In the pop-up window, right-poke the connection you are using currently and selectProperties.
Step 4: Go toNetworkingtab and uncheckInternet Protocol Version 6 (TCP/IPv6).
Step 5: ClickOKto save the changes and then start your PC.
If you have encountered the same error, dont worry, try these solutions.