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Lenovo ThinkPad Edge E520 Hardware Maintenance Manual - Page 132

Windows 7 Home Basic (64 bit) DVDs, CTO, 4Tx, 7Hx, 7Jx, A7x, CRx, CSx, D5x, E5x, E6x, EVx, EWx

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Table 17. Parts list-Windows 7 Home Basic (32 bit) recovery DVDs (continued) Language Serbian-Latin Simplified Chinese Spanish Turkish US English P/N 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: • 1143-CTO, CXx, CYx, CZx, D2x, DGx, DHx, DSx, EUx, EXx, GDx, GEx, GFx, GGx, GHx, GJx, GKx, GLx, JQx, KVx • 1144-CTO • 1200-CTO, 3Dx, 3Cx Table 18. 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: • 1143-CTO, 4Tx, 4Tx, 7Hx, 7Hx, 7Jx, 7Jx, A7x, CRx, CSx, D5x, E5x, E6x, EVx, EWx, EWx • 1144-CTO • 1200-CTO Table 19. Parts list-Windows 7 Home Premium (32 bit) recovery DVDs Language Indian English Simplified Chinese US English P/N 04T2976 04T2975 04T2977 CRU ID Windows 7 Home Premium (64 bit) DVDs Windows 7 Home Premium (64 bit) is preinstalled as the operating system in the following models: 126 Hardware Maintenance Manual

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)	25
Chapter 2. Important service information	33
Strategy for replacing FRUs	33
Strategy for replacing a hard disk drive	34
Important notice for replacing a system board	34
How to use error message	34
Strategy for replacing FRUs for CTO, CMV, and GAV	34
Product definition	34
FRU identification for CTO, CMV, and GAV products	35
Chapter 3. General checkout	37
What to do first	37
Checkout guide	38
System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program	38
System supporting the Lenovo diagnostics programs	42
Power system checkout	44
Checking the ac power adapter	44
Checking operational charging	45
Checking the battery pack	45
Checking the backup battery	46
Chapter 4. Related service information	47
Restoring the factory contents by using Recovery Disc Set	47
Passwords	48
Power-on password	48
Hard-disk password	48
Supervisor password	49
How to remove the power-on password	49
How to remove the hard-disk password	49
Power management	50
Screen blank mode	50
Sleep (standby) mode	50
Hibernation mode	51
Symptom-to-FRU index	51
Numeric error codes	52
Error messages	52
No-beep symptoms	52
LCD-related symptoms	53
Intermittent problems	53
Undetermined problems	53
Chapter 5. Status indicators	55
Chapter 6. Special keys	57
Chapter 7. FRU replacement notices	59
Screw notices	59
Retaining serial numbers	60
Restoring the serial number of the system unit	60
Retaining the UUID	61
Reading or writing the ECA information	61
Chapter 8. Removing and replacing a FRU	63
Before servicing ThinkPad Edge E520 models	63
1010 Battery pack	64
1020 ExpressCard blank bezel	65
1030 Optical drive or travel cover	66
1040 Bottom slot cover	67
1050 Memory modules	68
1060 Hard disk drive assembly	69
1070 PCI Express Mini Card for wireless LAN	70
1080 PCI Express Mini Card for wireless WAN for ThinkPad Edge E520 models	72
1080 mSATA solid state drive for ThinkPad Edge E520 models	73
1090 Backup battery	74
1110 Keyboard	75
1120 Top case assembly	77
1130 Bluetooth daughter card	80
1140 Express sub card	81
1150 Speaker assembly	82
1160 System board assembly and fan assembly	83
1170 CPU	90
1180 DC-in sub card and base cover assembly	91
1190 LCD unit	95
2010 LCD bezel assembly	97
2020 Integrated camera	98
2030 LCD panel, LCD cable, LCD rear cover assembly, and hinges	99
2040 Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly	101
Chapter 9. Locations	107
Front view	107
Rear view	108
Bottom view	108
Chapter 10. Parts list	109
Overall	110
LCD FRUs	123
Keyboard	127
Miscellaneous parts	128
ac power adapters	129
Power cords	129
Recovery discs	130
Windows XP Professional (32 bit) DVDs	130
Windows 7 Home Basic (32 bit) DVDs	131
Windows 7 Home Basic (64 bit) DVDs	132
Windows 7 Home Premium (32 bit) DVDs	132
Windows 7 Home Premium (64 bit) DVDs	132
Windows 7 Professional (32 bit) DVDs	134
Windows 7 Professional (64 bit) DVDs	134
Common service tools	135
Appendix A. Notices	137
Electronic emission notices	138