Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. Important service
information . . . . . . . . . . . . . . . 19
Strategy for replacing FRUs . . . . . . . . . . 19
Strategy for replacing a solid-state drive . . . 19
How to use error message . . . . . . . . . 20
Strategy for replacing FRUs for CTO, special-bid,
and standard models. . . . . . . . . . . . . 20
Product definition . . . . . . . . . . . . 20
FRU identification . . . . . . . . . . . . 20
Chapter 3. General checkout . . . . . 21
What to do first . . . . . . . . . . . . . . . 21
Checkout guide . . . . . . . . . . . . . . . 22
Diagnosing problems . . . . . . . . . . . 22
Quick test programs . . . . . . . . . . . 23
UEFI diagnostic program . . . . . . . . . 23
Bootable diagnostic programs . . . . . . . 23
Power system checkout . . . . . . . . . . . 24
Checking the ac power adapter . . . . . . . 25
Checking the built-in battery and operational
charging . . . . . . . . . . . . . . . . 25
Checking the coin-cell battery . . . . . . . 25
Chapter 4. Related service
information . . . . . . . . . . . . . . . 27
Reset or restore Windows . . . . . . . . . . . 27
Passwords. . . . . . . . . . . . . . . . . 27
Power-on password . . . . . . . . . . . 27
NVMe passwords . . . . . . . . . . . . 27
Supervisor password . . . . . . . . . . . 28
System management password. . . . . . . 28
How to remove the power-on password . . . 29
How to remove the NVMe password . . . . . 29
How to remove the system management
password . . . . . . . . . . . . . . . 29
Power management . . . . . . . . . . . . . 30
Sleep mode . . . . . . . . . . . . . . 30
Hibernation mode . . . . . . . . . . . . 30
Symptom-to-FRU index . . . . . . . . . . . 31
Numeric error codes . . . . . . . . . . . 32
Error messages . . . . . . . . . . . . . 33
Beep errors. . . . . . . . . . . . . . . 33
No-beep symptoms . . . . . . . . . . . 35
LCD-related symptoms . . . . . . . . . . 35
Intermittent problems. . . . . . . . . . . 36
Undetermined problems . . . . . . . . . 36
Chapter 5. Special keys . . . . . . . . 37
Chapter 6. Locations . . . . . . . . . 39
Locating computer controls and connectors . . . 39
Front . . . . . . . . . . . . . . . . . 39
Left and right . . . . . . . . . . . . . . 40
Bottom . . . . . . . . . . . . . . . . 41
Locating FRUs and CRUs . . . . . . . . . . . 42
Major FRUs and CRUs . . . . . . . . . . 43
LCD FRUs and CRUs . . . . . . . . . . . 45
Miscellaneous parts . . . . . . . . . . . 47
Connector and cable guide . . . . . . . . 47
Looking up FRU information . . . . . . . . . . 49
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . . . 51
Service tool kit . . . . . . . . . . . . . . . 51
Screw notices . . . . . . . . . . . . . . . 51
Sensor calibration . . . . . . . . . . . . . . 52
Retaining serial numbers . . . . . . . . . . . 53
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . . 53
Retaining the UUID. . . . . . . . . . . . 54
Reading or writing the ECA information . . . . 54
Chapter 8. Removing or replacing a
FRU. . . . . . . . . . . . . . . . . . . 57
General guidelines. . . . . . . . . . . . . . 57
Before servicing the computer . . . . . . . . . 57
Disabling the built-in battery . . . . . . . . 57
Removing the nano-SIM-card and nano-SIM-
card tray . . . . . . . . . . . . . . . . 58
1010 Lenovo Integrated Pen (for selected
models) . . . . . . . . . . . . . . . . . . 58
1020 Pen dummy (for selected models) . . . . . 58
1030 Base cover assembly . . . . . . . . . . 59
1040 Built-in battery . . . . . . . . . . . . . 60
1050 I/O bracket . . . . . . . . . . . . . . 61
© Copyright Lenovo 2022, 2023 i
To Next Page
Loading...
Need help?
General
