T14s Gen3 X13 Gen3 Hmm En
T14s Gen 3 and X13 Gen 3 Hardware Maintenance Manual
Second Edition (August 2023)
© Copyright Lenovo 2022, 2023.
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. GS35F-05925.
Contents
| About this manual . . . . . . . . . . . . iii | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Safety | |||||||||||||||||
| Chapter 1. | . | information. | . | . | . . | . | . | . | . | 1 | |||||||
| General safety . . Electrical safety . | . . . . | . . | . | . | . . | . . | . . | . | . | . | . . | . | . | . . | . . | 1 1 | |
| Safety inspection | guide. | . | . | . | . | . | . | . | . | . | . | . | . | 3 | |||
| Handling devices discharge . . . . | that . . | are . | . | sensitive | . | to . | . | . | . | . | . | electrostatic | . | . | . | 3 | |
| Chapter 2. Important service | |||||||||||||||||
| information. . . . . . . . . . . . . . . 21 | |||||||||||||||||
| Strategy for replacing FRUs . . . . . . . . . . 21 Strategy for replacing 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, | |||||||||||||||||
| 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 . . . . . . . 29 Checking the built-in battery and operational charging . . . . . . . . . . . . . . . . 29 | |||||||||||||||||
| Checking the coin-cell battery . . . . . . . 29 | |||||||||||||||||
| Chapter 4. Related service | |||||||||||||||||
| information. . . | . | . | . | . | . | . | . | . | . | . | . | . | 31 |
Table Caption: This table appears to be a table of contents or index for a service manual, detailing chapters, section titles, and page numbers related to safety information, service procedures, and problem diagnosis.
Power management .
Sleep mode
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Hibernation mode
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Symptom-to-FRU index
Numeric error codes
Error messages .
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Beep errors.
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No-beep symptoms
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LCD-related symptoms .
Intermittent problems.
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Undetermined problems
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Chapter 5. Special keys . . . . . . . . 41
Chapter 6. Locations
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Locating computer controls, connectors, and indicators
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Front
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Left and right
Rear
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Bottom
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Locating FRUs and CRUs .
Major FRUs and CRUs
LCD FRUs and CRUs.
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Miscellaneous parts
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Connector and cable guide
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Looking up FRU information .
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Chapter 7. FRU replacement notices . . . . . . . . . . . . . . . . . 61
Service tool kit
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Screw notices
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Retaining serial numbers
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Restoring the serial number of the system unit .
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Retaining the UUID.
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Reading or writing the ECA information .
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Chapter 8. Removing or replacing a
FRU. . . . . . . . . . . . . . . . . . . 65
General guidelines.
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Before servicing the computer
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Disabling the built-in battery
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Removing the nano-SIM-card and nano-SIM- card tray .
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1010 Keyboard (for ThinkPad X13 Gen 3 only) .
1020 Base cover assembly
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| 1030 M.2 solid-state drive, bracket, and thermal pad . . . . . . . . . . . . . . . . . . | . 70 | 1180 LCD unit . . . . . . . . . . . . . . . 88 |
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| 1040 Wireless WANcard and Wireless WANcard bracket(for selected models). . . . . . . . . | . 72 1190 Keyboard 3) or Keyboard | assembly (for ThinkPad T14s Gen bezel assembly (for ThinkPad X13 Gen 3) . . . . . . . . . . . . . . . . . . 90 |
| 1050 Built-in battery . . . . . . . . . . . . | . 73 2010 LCD bezel | sheet and LCD bezel . . . . . . 90 |
| 1060 I/O bracket . . . . . . . . . . . . . | . 75 | 2020 Camera shutter. . . . . . . . . . . . . 91 |
| 1070 Thermal fan assembly . . . . . . . . . | . 75 | 2030 LCD hinges . . . . . . . . . . . . . . 92 |
| 1080 USB-card cable and USB card. . . . . . | . 76 | 2040 LCD panel and elastic adhesive tapes . . . . 92 |
| 1090 Speaker assembly . . . . . . . . . . | . 78 | 2050 LCD cable. . . . . . . . . . . . . . . 97 |
| 1100 Coin-cell battery . . . . . . . . . . . | . 78 | 2060 Human presence detection module and |
| 1110 Smart card reader-trackpad-nfc cable (for selected models) . . . . . . . . . . . . . | . 79 | cable (for selected Intel models) . . . . . . . . 98 2070 Camera-and-microphone module and cable |
| 1120 Trackpad . . . . . . . . . . . . . . . . . . . . . . . . | . 79 (for selected models) . 2080 Wireless | . . . . . . . . . . . . 99 LAN/WAN antenna assembly (for |
| 1130 NFC card . . . . 1140 Smart card reader . . . . . . . . . . | . 80 . 81 | selected models) . . . . . . . . . . . . . . 102 |
| 1150 Power card and power button with or without fingerprint reader . . . . . . . . . . . . . | . 82 2090 LCD cover | assembly. . . . . . . . . . . 106 Appendix A. Notices. . . . . . . . . .107 |
| 1160 Wireless WANantennas (for selected models) . . . . . . . . . . . . . . . . . | 83 | |
| 1170 System board . . . . . . . . . . . . | . . 85 | Appendix B. Abbreviation table . . . .109 |
Table Caption: This table appears to be an index or parts list, likely from a technical manual, detailing various computer components with corresponding numerical identifiers and page numbers for further information. It covers components like storage drives, display parts, input devices, and internal system elements.
About this manual
This manual contains service and reference information for the following ThinkPad ® products:
| ThinkPad T14s Gen 3 | Machine types (MT): 21BR, 21BS, 21CQ, and 21CR |
|---|---|
| ThinkPad X13 Gen 3 | Machine types (MT): 21BN, 21BQ, 21CM, and 21CN |
Table Caption: This table lists the ThinkPad T14s Gen 3 and ThinkPad X13 Gen 3 models along with their corresponding machine types (MT). It shows that the T14s Gen 3 has machine types 21BR, 21BS, 21CQ, and 21CR, while the X13 Gen 3 has machine types 21BN, 21BQ, 21CM, and 21CN.
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
Important:
- This
