
Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 2
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. Important service
information . . . . . . . . . . . . . . . 21
Strategy for replacing FRUs . . . . . . . . . . 21
Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . . . 21
Important notice for replacing a system
board . . . . . . . . . . . . . . . . . 22
How to use error message . . . . . . . . . 22
Strategy for replacing FRUs for CTO, special-bid,
and standard models. . . . . . . . . . . . . 22
Product definition . . . . . . . . . . . . 22
FRU identification . . . . . . . . . . . . 22
Chapter 3. General checkout . . . . . 25
What to do first . . . . . . . . . . . . . . . 25
Checkout guide . . . . . . . . . . . . . . . 26
Diagnosing problems . . . . . . . . . . . 26
Quick test programs . . . . . . . . . . . 27
UEFI diagnostic program . . . . . . . . . 27
Bootable diagnostic programs . . . . . . . 28
Power system checkout . . . . . . . . . . . 29
Checking the ac power adapter . . . . . . . 29
Checking the removable battery and the
operational charging . . . . . . . . . . . 30
Checking the coin-cell battery . . . . . . . 31
Chapter 4. Related service
information . . . . . . . . . . . . . . . 33
Restoring the factory contents with the
Recovery Disc Set for the Windows 7
operating system . . . . . . . . . . . . 33
Recovery information for the Windows 10
operating system . . . . . . . . . . . . 34
Passwords. . . . . . . . . . . . . . . . . 36
How to remove the power-on password . . . 37
How to remove the hard disk password. . . . 37
Power management . . . . . . . . . . . . . 38
Screen blank mode (for the Windows 7
operating system only) . . . . . . . . . . 38
Sleep mode
. . . . . . . . . . . . . . 38
Hibernation mode . . . . . . . . . . . . 38
Numeric error codes . . . . . . . . . . . 40
Error messages . . . . . . . . . . . . . 41
Beep errors. . . . . . . . . . . . . . . 41
No-beep symptoms . . . . . . . . . . . 43
LCD-related symptoms . . . . . . . . . . 43
Intermittent problems . . . . . . . . . . . 44
Undetermined problems
Chapter 5. Status indicators . . . . . 45
Chapter 6. Function keys . . . . . . . 47
Chapter 7. Locations . . . . . . . . . 49
Locating computer controls, connectors, and
indicators . . . . . . . . . . . . . . . . . 49
Front view . . . . . . . . . . . . . . . 49
Bottom view . . . . . . . . . . . . . . 50
Locating FRUs and CRUs . . . . . . . . . . . 50
Major FRUs and CRUs . . . . . . . . . . 52
LCD FRUs . . . . . . . . . . . . . . . 54
Miscellaneous parts . . . . . . . . . . . 55
Connector and cable guide . . . . . . . . 55
Looking up FRU information . . . . . . . . . . 61
Chapter 8. FRU replacement
notices . . . . . . . . . . . . . . . . . 63
Screw notices . . . . . . . . . . . . . . . 63
Retaining serial numbers . . . . . . . . . . . 64
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . . 64
Retaining the UUID. . . . . . . . . . . . 65
Reading or writing the ECA information . . . . 65
Chapter 9. Removing or replacing a
FRU. . . . . . . . . . . . . . . . . . . 67
General guidelines. . . . . . . . . . . . . . 67
Before servicing the computer . . . . . . . . . 68
Disabling the built-in battery . . . . . . . . 68
1010 Removable battery . . . . . . . . . . . 68
1020 Micro SIM card . . . . . . . . . . . . . 69
© Copyright Lenovo 2017
i
Содержание ThinkPad T470 20HD
Страница 1: ...T470 Hardware Maintenance Manual ...
Страница 6: ...iv T470 Hardware Maintenance Manual ...
Страница 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...
Страница 12: ...6 T470 Hardware Maintenance Manual ...
Страница 13: ...PERIGO PERIGO Chapter 1 Safety information 7 ...
Страница 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO 8 T470 Hardware Maintenance Manual ...
Страница 15: ...PERIGO DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...
Страница 16: ...DANGER DANGER DANGER DANGER VORSICHT 10 T470 Hardware Maintenance Manual ...
Страница 17: ...VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...
Страница 18: ...VORSICHT VORSICHT VORSICHT 12 T470 Hardware Maintenance Manual ...
Страница 19: ...Chapter 1 Safety information 13 ...
Страница 20: ...14 T470 Hardware Maintenance Manual ...
Страница 21: ...Chapter 1 Safety information 15 ...
Страница 22: ...16 T470 Hardware Maintenance Manual ...
Страница 23: ...Chapter 1 Safety information 17 ...
Страница 24: ...18 T470 Hardware Maintenance Manual ...
Страница 25: ...Chapter 1 Safety information 19 ...
Страница 26: ...20 T470 Hardware Maintenance Manual ...
Страница 30: ...24 T470 Hardware Maintenance Manual ...
Страница 38: ...32 T470 Hardware Maintenance Manual ...
Страница 52: ...46 T470 Hardware Maintenance Manual ...
Страница 68: ...62 T470 Hardware Maintenance Manual ...
Страница 79: ...Removal steps of the 2 5 inch storage drive Chapter 9 Removing or replacing a FRU 73 ...
Страница 80: ...Removal steps of the M 2 solid state drive 74 T470 Hardware Maintenance Manual ...
Страница 110: ...104 T470 Hardware Maintenance Manual ...
Страница 115: ......
Страница 116: ...Part Number SP40M11890_03 Printed in 1P P N SP40M11890_03 1PSP40M11890_03 ...