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Lenovo 7449F9U User Manual - Page 145

Turn the system board over, and then remove the ExpressCard slot assembly, from the system board.

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Table 27. Removal steps of system board and ExpressCard slot assembly (continued) Turn the system board over, and then remove the ExpressCard slot assembly from the system board. 2 3 Removing and replacing a FRU 137

Section	Page
Contents	5
About this manual	7
Safety information	9
General safety	10
Electrical safety	11
Safety inspection guide	13
Handling devices that are sensitive to electrostatic discharge	14
Grounding requirements	14
Safety notices (multilingual translations)	15
Laser compliance statement (multilingual translations)	36
Important service information	47
Strategy for replacing FRUs	47
Strategy for replacing a hard disk drive	48
Important notice for replacing a system board	48
How to use error message	48
Strategy for replacing FRUs for CTO, CMV, and GAV	49
Product definition	49
FRU identification for CTO, CMV, and GAV products	49
General checkout	51
What to do first	52
Checkout guide	53
Diagnostics using PC-Doctor for DOS	53
Testing the computer	54
Detecting system information with PC-Doctor	55
Lenovo ThinkVantage Toolbox (Lenovo System Toolbox)	56
PC-Doctor for Windows	56
PC-Doctor for Rescue and Recovery	57
FRU tests	58
Power system checkout	60
Checking the ac adapter	60
Checking operational charging	61
Checking the battery pack	61
Checking the backup battery	62
Related service information	63
Restoring the factory contents by using Product Recovery discs	63
Restoring the factory contents by using Recovery Disc Set	64
Passwords	65
Power-on password	65
Hard-disk password	65
Supervisor password	66
How to remove the power-on password	66
How to remove the hard-disk password	67
Power management	68
Screen blank mode	68
Sleep (Standby) mode	68
Hibernation mode	69
Symptom-to-FRU index	70
Numeric error codes	70
Error messages	74
Beep symptoms	75
No-beep symptoms	75
LCD-related symptoms	76
Intermittent problems	77
Undetermined problems	77
Status indicators	79
Fn key combinations	83
FRU replacement notices	87
Screw notices	87
Retaining serial numbers	88
Restoring the serial number of the system unit	88
Retaining the UUID	88
Reading or writing the ECA information	89
Removing and replacing a FRU	91
Before servicing ThinkPad X200 Tablet and X201 Tablet	92
1010 Digitizer pen	93
1020 Battery pack	94
1030 Hard disk drive (HDD) cover, HDD, and HDD rubber rails or solid state drive (SSD) and storage converter	96
1040 DIMM	100
1050 Hinge caps	103
1060 Keyboard	105
1070 Extension cable card	108
1080 Palm rest	109
1090 Backup battery	112
1100 PCI Express Mini Card for wireless LAN/WiMAX	114
1110 PCI Express Mini Card for wireless WAN	118
1120 Intel Turbo Memory Minicard or Wireless USB PCI Express Half-Mini Card	120
1130 Bluetooth daughter card (BDC-2.1)	122
1140 Keyboard bezel	124
1150 I/O card assembly	127
1160 USB sub card	129
1170 LCD assembly	131
1180 DC-in connector, fan, digitizer pen case, and pen switch assembly	135
1190 System board and ExpressCard slot assemblys	141
1200 Base cover and speaker assembly	146
2010 LCD front bezel	150
2020 Micro-Processor card	154
2030 Inverter card	157
2040 Hinges	158
2050 LCD panel, LCD bracket L and R, and LCD cable	160
2060 Integrated camera	170
2070 LCD rear cover and wireless antenna cables	171
Locations	175
Front view	175
Rear view	176
Rear view (tablet mode)	176
Bottom view	177
Rear view (ThinkPad X200 UltraBase)	178
Bottom view (ThinkPad X200 UltraBase)	179
Parts list	181
Overall	182
LCD FRUs for touch panel LCD or direct-bonding glass LCD	215
LCD FRUs for protection plate LCD	224
Keyboard	232
Miscellaneous parts	233
AC adapters	236
Power cords	237
Recovery discs	238
Windows XP Tablet DVDs (32 bit)	238
Windows Vista Home Premium (32 bit) DVDs	240
Windows Vista Business (32 bit) DVDs	241
Windows Vista Business (64 bit) DVDs	244
Windows Vista Ultimate (32 bit) DVDs	245
Windows 7 Home Basic (32 bit) DVDs	246
Windows 7 Home Premium (32 bit) DVDs	247
Windows 7 Home Premium (64 bit) DVDs	249
Windows 7 Professional (32 bit) DVDs	250
Windows 7 Professional (64 bit) DVDs	254
Common service tools	256
Notices	257