Contents
About this manual. . . . . . . . . . . iii
Chapter 1. Safety information . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 2
Safety inspection guide . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Laser compliance statement (multilingual
translations) . . . . . . . . . . . . . . . . 16
Chapter 2. Important service
information . . . . . . . . . . . . . . 23
Strategy for replacing FRUs . . . . . . . . . 23
Strategy for replacing a hard disk drive . . . 24
Important notice for replacing a system
board . . . . . . . . . . . . . . . . 24
How to use error message . . . . . . . . 24
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . . 25
Product denition. . . . . . . . . . . . 25
FRU identication for CTO, CMV, and GAV
products . . . . . . . . . . . . . . . 25
Chapter 3. General checkout . . . . . 27
What to do rst . . . . . . . . . . . . . . 27
Checkout guide . . . . . . . . . . . . . . 28
Diagnostics using PC-Doctor for DOS. . . . 28
Lenovo ThinkVantage Toolbox . . . . . . . 31
PC-Doctor for Windows . . . . . . . . . 31
PC-Doctor for Rescue and Recovery . . . . 31
FRU tests . . . . . . . . . . . . . . . 31
Power system checkout . . . . . . . . . . . 33
Checking the ac power adapter . . . . . . 33
Checking operational charging . . . . . . 33
Checking the battery pack . . . . . . . . 34
Checking the backup battery . . . . . . . 34
Chapter 4. Related service
information . . . . . . . . . . . . . . 37
Restoring the factory contents by using Product
Recovery discs . . . . . . . . . . . . . . 37
Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . . 37
Passwords . . . . . . . . . . . . . . . . 39
Power-on password . . . . . . . . . . . 39
Hard-disk password. . . . . . . . . . . 39
Supervisor password . . . . . . . . . . 39
How to remove the power-on password . . . 39
How to remove the hard-disk password . . . 40
Power management . . . . . . . . . . . . 40
Screen blank mode . . . . . . . . . . . 40
Sleep (Standby) mode . . . . . . . . . . 41
Hibernation mode . . . . . . . . . . . 41
Symptom-to-FRU index . . . . . . . . . . . 42
Numeric error codes . . . . . . . . . . 43
Error messages . . . . . . . . . . . . 47
Beep symptoms . . . . . . . . . . . . 48
No-beep symptoms . . . . . . . . . . . 49
LCD-related symptoms . . . . . . . . . 49
Intermittent problems . . . . . . . . . . 49
Undetermined problems . . . . . . . . . 50
Chapter 5. Status indicators . . . . . 51
Chapter 6. Fn key combinations . . . 53
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . . 55
Screw notices . . . . . . . . . . . . . . . 55
Retaining serial numbers. . . . . . . . . . . 56
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . 56
Retaining the UUID . . . . . . . . . . . 57
Reading or writing the ECA information . . . 57
Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . . 59
Before servicing ThinkPad X220 Tablet and X220i
Tablet models . . . . . . . . . . . . . . . 60
1010 Digitizer pen . . . . . . . . . . . . . 61
1020 Battery pack . . . . . . . . . . . . . 61
1030 Hard disk drive (HDD) and solid state drive
(SSD) . . . . . . . . . . . . . . . . . . 62
1040 DIMM . . . . . . . . . . . . . . . . 64
1050 Hinge caps . . . . . . . . . . . . . . 66
1060 Keyboard . . . . . . . . . . . . . . 67
1070 Palm rest . . . . . . . . . . . . . . 70
1080 Backup battery . . . . . . . . . . . . 72
1090 PCI Express Mini Card for wireless
LAN/WiMAX. . . . . . . . . . . . . . . . 74
1100 PCI Express Mini Card for wireless WAN . . 76
1110 Bluetooth daughter card (BDC-2.1) . . . . 78
1120 Keyboard bezel . . . . . . . . . . . . 79
1130 LCD assembly . . . . . . . . . . . . 82
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