Hardware Maintenance Manual
Page 5
... the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for the following ThinkPad® products. About this manual along with ThinkPad products. ThinkPad T520 and T520i Machine type (MT) 4239, 4240, 4241, 4242, 4243, 4244, and 4246 ThinkPad W520 MT 4249, 4260, 4270, 4276, 4281, 4282, and 4284 Use this manual This manual... the advanced diagnostic tests to read all the information under Chapter 1 "Safety information" on page 1 and Chapter 2 "Important service information" on page 25. © Copyright Lenovo 2011, 2012 iii
... the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for the following ThinkPad® products. About this manual along with ThinkPad products. ThinkPad T520 and T520i Machine type (MT) 4239, 4240, 4241, 4242, 4243, 4244, and 4246 ThinkPad W520 MT 4249, 4260, 4270, 4276, 4281, 4282, and 4284 Use this manual This manual... the advanced diagnostic tests to read all the information under Chapter 1 "Safety information" on page 1 and Chapter 2 "Important service information" on page 25. © Copyright Lenovo 2011, 2012 iii