About This Manual - Lenovo 20KF Hardware Maintenance Manual

About this manual

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This manual contains service and reference information for the following ThinkPad products.
ThinkPad X280 Machine Types: 20KE and 20KF
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
Important: This manual is intended only for trained service technicians who are familiar with ThinkPad
products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 "Safety information"
on page 1 and Chapter 2 "Important service information" on page 21.
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