About this manual
This manual contains service and reference information for the following Lenovo products.
Machine
ThinkBook 13s G4 IAP
ThinkBook 13s G4 ARB
Important:
• This manual is intended only for trained service technicians who are familiar with Lenovo products.
• Before servicing a Lenovo product, be sure to read all the information under Chapter 1 "Safety
information" on page 1.
© Copyright Lenovo 2022
Machine type (MT)
21AR
21AS
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