Lenovo ThinkPad X13 Yoga Gen 1 Hardware Maintenance Manual page 59

Note: The Lenovo factory recovery USB key a is used to restore the Microsoft Windows operating system.
They might not come with the computer, and a user might order them from https://pcsupport.lenovo.com/
, though additional shipping and handling fees might apply.
lenovorecovery
. 53
Chapter 6 Locations