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Lenovo ThinkPad R400 Hardware Maintenance Manual - Page 100

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1060 Backup battery DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. For access, remove these FRUs in order: v "1010 Battery pack" on page 84 v "1040 Palm rest or palm rest with fingerprint reader" on page 88 Table 14. Removal steps of backup battery 1 2 When installing: Make sure that the battery connector is attached firmly. 92 ThinkPad T400 and R400 Hardware Maintenance Manual

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
1010 Battery pack	92
1020 Serial Ultrabay Slim device or Serial Ultrabay Enhanced device	93
1030 Hard disk drive (HDD) cover, HDD, and HDD rubber rails or solid state drive (SSD) and storage converter	94
1040 Palm rest or palm rest with fingerprint reader	96
1050 DIMM	99
1060 Backup battery	100
1070 Keyboard	101
1080 Modem daughter card (MDC-3.0)	103
1090 PCI Express Mini Card for wireless LAN/WiMAX	105
1100 PCI Express Mini Card for wireless WAN	108
1110 Intel Turbo Memory Minicard or Wireless USB PCI Express Half-Mini Card	110
1120 SIM card slot	112
1130 Keyboard bezel	114
1140 Speaker assembly	116
1150 Fan assembly	118
1160 CPU	123
1170 LCD assembly	124
1180 Base cover, USB sub card with cable, and PC Card/ExpressCard slots (or ExpressCard/Smart Card slots or ExpressCard/7-in-	127
1190 Structure frame	133
1200 System board and PC Card/Express Card slots (or ExpressCard/Smart Card slots or ExpressCard/7-in-1 Media Card Reader slo	137
2010 LCD front bezel	141
2020 LCD rear cover	143
2030 Inverter card or LED sub card	144
2040 Bluetooth daughter card (BDC-2.1)	145
2050 LCD magnesium frame, hinge assembly, and integrated camera	146
2060 Antenna assembly	149
2070 LCD panel and LCD cable	151
Locations	153
Front view	153
Rear view	154
Bottom view	155
Parts list	157
Overall	158
LCD FRUs	285
Keyboard	356
Miscellaneous parts	358
AC adapters	360
Power cords	361
Recovery discs	362
Windows XP Professional (32 bit) DVDs	362
Windows Vista Starter (32 bit) recovery DVDs	364
Windows Vista Home Basic (32 bit) recovery DVDs	365
Windows Vista Home Premium (32 bit) recovery DVDs	367
Windows Vista Business (32 bit) recovery DVDs	369
Windows Vista Business (64 bit) recovery DVDs	371
Windows Vista Ultimate (32 bit) recovery DVDs	372
Windows 7 Home Basic (32 bit) DVDs	374
Windows 7 Home Premium (32 bit) DVDs	375
Windows 7 Home Premium (64 bit) DVDs	377
Windows Professional (32 bit) DVDs	378
Windows Professional (64 bit) DVDs	380
Common service tools	382
Notices	383