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About this manual
This manual contains service and reference information for the following
ThinkPad
®
products.
ThinkPad T400
MT 2764, 2765, 2766, 2767, 2768, 2769, 2773, 6473, 6474, 6475, 7417, 7420,
7425, and 7434
ThinkPad R400
MT 2782, 2783, 2784, 2786, 2787, 2788, 2789, 7438, 7439, 7440, 7443, 7445,
7446, and 7447
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
“Safety information” on page 1 and “Important service information” on page 39.
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