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Lenovo B430 Laptop Hardware Maintenance Manual - Lenovo B430 - Page 62

Retaining serial numbers, MTM, UUID, and Asset ID, Instructions for retaining serial numbers

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Notes: • Make sure that you use the correct screw. It is recommended to use new screws for replacements. If you have a torque screwdriver, tighten all screws firmly to the torque specified in the screw information table for each step. • Ensure torque screwdrivers are calibrated correctly following country specifications. Retaining serial numbers, MTM, UUID, and Asset ID Instructions for retaining serial numbers, MTM, UUID, or asset ID can be found at the following Web site: http://support.lenovo.com 56 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)	23
Chapter 2. Important service information	29
Strategy for replacing FRUs	29
Strategy for replacing a hard disk drive	29
Important notice for replacing a system board	30
How to use error codes	30
Strategy for replacing FRUs for CTO, CMV, and GAV products	30
Product definition	30
FRU identification for CTO, CMV, and GAV products	31
Chapter 3. General checkout	33
What to do first	33
Checkout guide	34
Lenovo Solution Center	34
Quick test programs	34
UEFI diagnostic program	35
Bootable diagnostic programs	35
Power system checkout	36
Checking the ac power adapter	36
Checking operational charging	37
Checking the battery pack	37
Checking the backup battery	38
Chapter 4. Related service information	39
Restoring the factory contents by using the Recovery Disc Set	39
Using the Windows recovery programs on the Windows 8 operating system	40
Passwords	41
Power-on password	41
Hard disk password	41
Supervisor password	42
How to remove the power-on password	42
How to remove the hard disk password	42
Power management	43
Screen blank mode (for the Windows 7 operating system only)	43
Sleep mode	43
Hibernation mode	43
Symptom-to-FRU index	44
Numeric error codes	45
Error messages	45
No-beep symptoms	46
LCD-related symptoms	46
Intermittent problems	46
Undetermined problems	47
Chapter 5. Status indicators	49
Chapter 6. Special keys	51
Chapter 7. Locations	53
Locating computer controls, connectors, and indicators	53
Front view	53
Rear view	54
Bottom view	54
Locating FRUs and CRUs	54
Major FRUs and CRUs	56
LCD FRUs and CRUs	58
Looking up FRU information	59
Chapter 8. FRU replacement notices	61
Screw notices	61
Retaining serial numbers, MTM, UUID, and Asset ID	62
Chapter 9. Removing or replacing a FRU	63
General guidelines	63
Before servicing Lenovo B430 models	64
1010 Battery pack	64
1020 Large bottom cover	65
1030 Small bottom cover	66
1040 Optical drive or blank bezel	66
1050 Memory modules	67
1060 Hard disk drive assembly	68
1070 PCI Express Mini Card for wireless LAN	70
1080 Backup battery	71
1090 Thermal fan	72
1100 Thermal pipes	73
1110 Keyboard	75
1120 Keyboard bezel assembly, card reader, touch pad, and dummy cap	78
1130 CPU	82
1140 System board assembly	83
1150 Speaker assembly	86
1160 Power button sub card	88
1170 I/O sub card with USB connector and audio jack	88
1180 RJ45 sub card	90
1190 LCD unit	92
1200 Base cover assembly and DC-in connector	95
2010 LCD bezel assembly	96
2020 LCD panel and hinges	97
2030 Integrated camera and LCD cable with microphone board	99
2040 Wireless antenna assembly and LCD rear cover assembly	101
Appendix A. Notices	103