Handleiding
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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 . . . . . . . 27
Power system checkout . . . . . . . . . . . 28
Checking the ac power adapter . . . . . . . 28
Checking the built-in battery and operational
charging . . . . . . . . . . . . . . . . 29
Checking the coin-cell battery . . . . . . . 29
Chapter 4. Related service
information . . . . . . . . . . . . . . . 31
Recovery information for the Windows 10
operating system . . . . . . . . . . . . . . 31
Resetting your computer . . . . . . . . . 31
Using advanced startup options . . . . . . 31
Recovering your operating system if Windows
10 fails to start . . . . . . . . . . . . . 31
Creating and using a recovery USB drive . . . 32
Passwords. . . . . . . . . . . . . . . . . 32
Power-on password . . . . . . . . . . . 33
Hard disk password . . . . . . . . . . . 33
Supervisor password . . . . . . . . . . . 33
System management password. . . . . . . 33
How to remove the power-on password . . . 34
How to remove the hard disk password. . . . 35
How to remove the system management
password . . . . . . . . . . . . . . . 35
Power management . . . . . . . . . . . . . 36
Sleep mode . . . . . . . . . . . . . . 36
Hibernation mode . . . . . . . . . . . . 36
Symptom-to-FRU index . . . . . . . . . . . 36
Numeric error codes . . . . . . . . . . . 37
Error messages . . . . . . . . . . . . . 38
Beep errors. . . . . . . . . . . . . . . 39
No-beep symptoms . . . . . . . . . . . 41
LCD-related symptoms . . . . . . . . . . 41
Intermittent problems . . . . . . . . . . . 42
Undetermined problems . . . . . . . . . 42
Chapter 5. Use the keyboard
shortcuts . . . . . . . . . . . . . . . . 44
Chapter 6. Locations . . . . . . . . . 47
Locating computer controls, connectors, and
indicators . . . . . . . . . . . . . . . . . 47
Front . . . . . . . . . . . . . . . . . 47
Base . . . . . . . . . . . . . . . . . 48
Left . . . . . . . . . . . . . . . . . . 49
Right . . . . . . . . . . . . . . . . . 49
Bottom . . . . . . . . . . . . . . . . 50
Locating FRUs and CRUs . . . . . . . . . . . 50
Major FRUs and CRUs (for L14 Gen 1) . . . . 51
Major FRUs and CRUs (for L15 Gen 1) . . . . 54
LCD FRUs . . . . . . . . . . . . . . . 57
Miscellaneous parts . . . . . . . . . . . 58
Connector and cable guide . . . . . . . . 59
Looking up FRU information . . . . . . . . . . 64
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . . . 65
Service tool kit . . . . . . . . . . . . . . . 65
Screw notices . . . . . . . . . . . . . . . 65
Retaining serial numbers . . . . . . . . . . . 66
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . . 66
Retaining the UUID. . . . . . . . . . . . 67
Reading or writing the ECA information . . . . 68
© Copyright Lenovo 2020 i
Bekijk gratis de handleiding van Lenovo ThinkPad L14 G1, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Lenovo |
| Model | ThinkPad L14 G1 |
| Categorie | Laptop |
| Taal | Nederlands |
| Grootte | 15341 MB |
