About This Manual - Lenovo ThinkPad T400 Maintenance Manual

About this manual

This manual contains service and reference information for the following
ThinkPad
ThinkPad T400
ThinkPad R400
Use this manual along with the advanced diagnostic tests to troubleshoot
problems.
The manual is divided into sections as follows:
v The common sections provide general information, guidelines, and safety
v The product-specific section includes service, reference, and product-specific
© Copyright Lenovo 2008
®
products.
MT 2764, 2765, 2766, 2767, 2768, 2769, 2773, 6473, 6474, 6475, 7417, 7420,
7425, and 7434
MT 2782, 2783, 2784, 2786, 2787, 2788, 2789, 7438, 7439, 7440, 7443, 7445,
7446, and 7447
information required in servicing computers.
parts information.
Important:
This manual is intended only for trained servicers 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
"Safety information" on page 1 and "Important service information" on page 17.
v