Lenovo ThinkPad L16 Gen 2 Handleiding
Pagina's 126 Laptop
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ThinkPad L14 Gen 6 and ThinkPad L16 Gen 2
Hardware Maintenance Manual
First Edition (May 2025)
© Copyright Lenovo 2025.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.
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. . . . . . . 24
Power system checkout. . . . . . . . . . . 24
Checking the ac power adapter. . . . . . . 24
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
Use Lenovo recovery options. . . . . . . . 27
Use Window recovery options. . . . . . . 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. . . . . . . . . . . . 31
Symptom-to-FRU index. . . . . . . . . . . 31
Numeric error codes. . . . . . . . . . . 32
Error messages. . . . . . . . . . . . . 33
Battery-charge LED indicator diagnosis. . . 33
No-beep symptoms. . . . . . . . . . . 35
LCD-related symptoms. . . . . . . . . . 36
Intermittent problems. . . . . . . . . . . 37
Undetermined problems. . . . . . . . . 37
Lenovo Memory Self Repair (for Intel models
only). . . . . . . . . . . . . . . . . . . 38
Chapter 5. Special keys. . . . . . . . 39
Chapter 6. Locations. . . . . . . . . 41
Locating computer controls and connectors. . . 41
Front view. . . . . . . . . . . . . . . 41
Side view. . . . . . . . . . . . . . . 44
Rear view. . . . . . . . . . . . . . . 45
Bottom view. . . . . . . . . . . . . . 46
Locating FRUs and CRUs. . . . . . . . . . . 48
Major FRUs and CRUs. . . . . . . . . . 49
LCD FRUs and CRUs. . . . . . . . . . . 54
Miscellaneous parts. . . . . . . . . . . 56
Connector and cable guide. . . . . . . . 56
Looking up FRU information. . . . . . . . . . 60
Chapter 7. FRU replacement
notices. . . . . . . . . . . . . . . . . 61
Service tool kit. . . . . . . . . . . . . . . 61
Screw notices. . . . . . . . . . . . . . . 61
Retaining serial numbers. . . . . . . . . . . 62
Restoring the serial number of the system
unit. . . . . . . . . . . . . . . . . . 62
Retaining the UUID. . . . . . . . . . . . 63
Reading or writing the ECA information. . . . 64
Chapter 8. Removing or replacing a
FRU. . . . . . . . . . . . . . . . . . . 65
General guidelines. . . . . . . . . . . . . . 65
Before servicing the computer. . . . . . . . . 65
Disable Fast Startup and the built-in battery. . 65
Removing the nano-SIM card and nano-SIM-
card tray. . . . . . . . . . . . . . . . 66
Keyboard. . . . . . . . . . . . . . . . . 66
Remove the keyboard. . . . . . . . . . 66
© Copyright Lenovo 2025i
Product specificaties
| Merk: | Lenovo |
| Categorie: | Laptop |
| Model: | ThinkPad L16 Gen 2 |
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