Windows 10 Compatibility Cookbook: March 23, 2016

Solutions

Users should leave “Check for Updates” selected (the default setting) when upgrading. Depending on the speed of the network connection and the load on the WU servers, this can mean that the drivers do not get installed until after OOBE has completed and the user has logged in for the first time. In the meantime, the user might notice some limited functionality or poor performance.

Users must ensure that their Internet connection is working before starting an upgrade even if they are upgrading using media (DVD or Flash Drive).

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  If the PC is connected to the Internet, the appropriate drivers should be downloaded and installed automatically. The user is not required to take any action.
  
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  If the PC is not connected to the Internet, the drivers must be downloaded from the IHV or OEM web site using an Internet-connected computer; transferred to the target machine using a Flash Drive or CD/DVD; and then installed manually.