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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 . . . . . . . . . . . . . . . 21
Strategy for replacing FRUs . . . . . . . . . . 21
Strategy for replacing a solid-state drive . . . 21
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 . . . . . 23
What to do first . . . . . . . . . . . . . . . 23
Checkout guide . . . . . . . . . . . . . . . 24
Diagnosing problems . . . . . . . . . . . 24
Quick test programs . . . . . . . . . . . 25
UEFI diagnostic program . . . . . . . . . 25
Bootable diagnostic programs . . . . . . . 25
Power system checkout . . . . . . . . . . . 26
Checking the ac power adapter . . . . . . . 27
Checking the built-in battery and operational
charging . . . . . . . . . . . . . . . . 27
Checking the coin-cell battery . . . . . . . 27
Chapter 4. Related service
information . . . . . . . . . . . . . . . 29
Reset or restore Windows . . . . . . . . . . . 29
Passwords. . . . . . . . . . . . . . . . . 29
Power-on password . . . . . . . . . . . 29
NVMe passwords . . . . . . . . . . . . 30
Supervisor password . . . . . . . . . . . 30
System management password. . . . . . . 30
How to remove the power-on password . . . 31
How to remove the NVMe password . . . . . 31
How to remove the system management
password . . . . . . . . . . . . . . . 31
Power management . . . . . . . . . . . . . 32
Sleep mode . . . . . . . . . . . . . . 32
Hibernation mode . . . . . . . . . . . . 33
Symptom-to-FRU index . . . . . . . . . . . 33
Numeric error codes . . . . . . . . . . . 34
Error messages . . . . . . . . . . . . . 35
Beep errors. . . . . . . . . . . . . . . 35
No-beep symptoms . . . . . . . . . . . 37
LCD-related symptoms . . . . . . . . . . 37
Intermittent problems . . . . . . . . . . . 38
Undetermined problems . . . . . . . . . 38
Chapter 5. Special keys . . . . . . . . 41
Chapter 6. Locations . . . . . . . . . 43
Locating computer controls and connectors . . . 43
Front . . . . . . . . . . . . . . . . . 43
Left and right . . . . . . . . . . . . . . 45
Rear . . . . . . . . . . . . . . . . . 47
Bottom . . . . . . . . . . . . . . . . 47
Locating FRUs and CRUs . . . . . . . . . . . 48
Major FRUs and CRUs . . . . . . . . . . 49
LCD FRUs and CRUs . . . . . . . . . . . 52
Miscellaneous parts . . . . . . . . . . . 54
Connector and cable guide . . . . . . . . 54
Looking up FRU information . . . . . . . . . . 57
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . . . 59
Service tool kit . . . . . . . . . . . . . . . 59
Screw notices . . . . . . . . . . . . . . . 59
Retaining serial numbers . . . . . . . . . . . 60
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . . 60
Retaining the UUID. . . . . . . . . . . . 61
Reading or writing the ECA information . . . . 61
Chapter 8. Removing or replacing an
FRU. . . . . . . . . . . . . . . . . . . 63
General guidelines. . . . . . . . . . . . . . 63
Before servicing the computer . . . . . . . . . 63
Disabling the built-in battery . . . . . . . . 63
Disable Fast Startup and the built-in battery . . 64
Removing the nano-SIM-card and nano-SIM-
card tray . . . . . . . . . . . . . . . . 64
1010 Keyboard . . . . . . . . . . . . . . . 65
1020 Base cover assembly . . . . . . . . . . 67
1030 Built-in battery . . . . . . . . . . . . . 68
1040 M.2 solid-state drive and M.2 solid-state
drive bracket (for Intel models only) . . . . . . . 69
© Copyright Lenovo 2022 i
Bekijk gratis de handleiding van Lenovo ThinkPad T14 Gen 3, 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 T14 Gen 3 |
| Categorie | Laptop |
| Taal | Nederlands |
| Grootte | 17266 MB |
