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Lenovo ThinkPad Edge E425 Hardware Maintenance Manual - Page 125

Windows 7 Home Basic (64 bit) DVDs, CTO, DWx, DXx, DYx, DZx, EQx, ERx, EUx, EVx, EWx, EXx, EYx, EZx

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Table 43. Parts list-Windows 7 Home Basic (32 bit) recovery DVDs Language Arabic Brazilian Portuguese French Indian English Portuguese Russian Serbian-Latin Simplified Chinese Spanish Turkish US English P/N 04T2953 04T2954 04T2957 04T2956 04T2958 04T2959 04T2961 04T2955 04T2960 04T2962 04T2963 CRU ID * Windows 7 Home Basic (64 bit) DVDs Windows 7 Home Basic (64 bit) is preinstalled as the operating system in the following models: • 1141-CTO, DWx, DXx, DYx, DZx, EQx, ERx, EUx, EVx, EWx, EXx, EYx, EZx, F7x, F8x, F9x, FAx, FDx, FEx, FKx, FLx, GFx, HUx • 1167-CTO • 1198-CTO, 3Sx, 3Ux, 3Yx Table 44. Parts list-Windows 7 Home Basic (64 bit) recovery DVDs Language Arabic Brazilian Portuguese French Indian English Portuguese Russian Serbian-Latin Simplified Chinese Spanish Turkish US English P/N 04T2964 04T2965 04T2968 04T2967 04T2969 04T2970 04T2972 04T2966 04T2971 04T2973 04T2974 CRU ID * Windows 7 Home Premium (32 bit) DVDs Windows 7 Home Premium (32 bit) is preinstalled as the operating system in the following models: • 1141-CTO, 20x, 92x, 93x, GGx • 1167-CTO • 1198-CTO: 3Zx Chapter 10. Parts list 119

Section	Page
About this manual	5
Chapter 1. Safety information	7
General safety	7
Electrical safety	8
Safety inspection guide	9
Handling devices that are sensitive to electrostatic discharge	9
Grounding requirements	10
Safety notices (multilingual translations)	10
Laser compliance statement (multilingual translations)	23
Chapter 2. Important service information	31
Strategy for replacing FRUs	31
Strategy for replacing a hard disk drive	32
Important notice for replacing a system board	32
How to use error message	32
Strategy for replacing FRUs for CTO, CMV, and GAV	32
Product definition	32
FRU identification for CTO, CMV, and GAV products	33
Chapter 3. General checkout	35
What to do first	35
Checkout guide	36
System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program	36
System supporting the Lenovo diagnostics programs	40
Power system checkout	42
Checking the ac power adapter	42
Checking operational charging	43
Checking the battery pack	43
Checking the backup battery	44
Chapter 4. Related service information	45
Restoring the factory contents by using Recovery Disc Set	45
Passwords	46
Power-on password	46
Hard-disk password	46
Supervisor password	47
How to remove the power-on password	47
How to remove the hard-disk password	47
Power management	48
Screen blank mode	48
Sleep (standby) mode	48
Hibernation mode	48
Symptom-to-FRU index	49
Numeric error codes	50
Error messages	50
No-beep symptoms	50
LCD-related symptoms	51
Intermittent problems	51
Undetermined problems	51
Chapter 5. Status indicators	53
Chapter 6. Special keys	55
Chapter 7. FRU replacement notices	57
Screw notices	57
Retaining serial numbers	58
Restoring the serial number of the system unit	58
Retaining the UUID	59
Reading or writing the ECA information	59
Chapter 8. Removing and replacing a FRU	61
Before servicing ThinkPad Edge E420 models	61
1010 Battery pack	62
1020 ExpressCard blank bezel	63
1030 Bottom slot cover	64
1040 Optical drive or travel cover	65
1050 Memory modules	66
1060 Hard disk drive assembly	67
1070 PCI Express Mini Card for wireless LAN	69
1080 PCI Express Mini Card for wireless WAN	70
1080 mSATA solid state drive	71
1090 Backup battery	72
1110 Keyboard	73
1120 Top case assembly	74
1130 Bluetooth daughter card	77
1140 Express sub card	78
1150 Speaker assembly	79
1160 System board assembly and fan assembly	80
1170 CPU	86
1180 DC-in sub card and base cover assembly	87
1190 LCD unit	90
2010 LCD bezel assembly	92
2020 Integrated camera	93
2030 LCD panel, LCD cable, LCD rear cover assembly, and hinges	94
2040 Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly	97
Chapter 9. Locations	101
Front view	101
Rear view	102
Bottom view	102
Chapter 10. Parts list	103
Overall	104
LCD FRUs	116
Keyboard	120
Miscellaneous parts	121
ac power adapters	122
Power cords	122
Recovery discs	123
Windows XP Professional (32 bit) DVDs	123
Windows 7 Home Basic (32 bit) DVDs	124
Windows 7 Home Basic (64 bit) DVDs	125
Windows 7 Home Premium (32 bit) DVDs	125
Windows 7 Home Premium (64 bit) DVDs	126
Windows 7 Professional (32 bit) DVDs	127
Windows 7 Professional (64 bit) DVDs	127
Common service tools	128
Appendix A. Notices	131
Electronic emissions notices	132