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ThinkPad X1 Carbon Hardware Maintenance Manual
Machine types: 20BS and 20BT
Note: Before using this information and the product it supports, be sure to read the general information under Appendix A 'Notices' on page 89.
Second Edition (July 2015) © Copyright Lenovo 2014, 2015.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant 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 . . . . . . . . . . . 2 Handling devices that are sensitive to electrostatic | |||||||||||||||||||
| discharge. . . . . . . . . . . . . . . . . 3 Grounding requirements . . . . . . . . . . . 4 Safety notices (multilingual translations) . . . . . 4 | |||||||||||||||||||
| Chapter 2. Important service | |||||||||||||||||||
| information . | . | . | . | . | . | . | . | . | . | . | . | . | . | 19 | |||||
| Strategy Strategy for replacing a solid-state | for replacing | FRUs . | . | . | . | . | . | . drive | . . | . . | . | 19 19 | |||||||
| Important notice for replacing a system board . . . . . . . . . . . . | . | . | . . | 20 | |||||||||||||||
| How to use error message . . . . . . . . 20 Strategy for replacing FRUs for CTO, special-bid, and standard models . . . . . . . . . . . . 20 | |||||||||||||||||||
| General checkout . . | |||||||||||||||||||
| to do first . . . Checkout guide . . | . | . | . | . | . | . | . | . | . | . | . | ||||||||
| Chapter 3. What | Product | . . | . . | . | . | . | . | . | . . | . | . | . . | 20 20 23 | ||||||
| FRU identification. | definition. | . | . | . | . | . | . | . | 23 24 | ||||||||||
| Lenovo Quick test UEFI Bootable | . | Solution | . | . | . . | 24 25 | |||||||||||||
| programs. | . | . Center | . | . . . | . . | . . | . | . . | . . | . . . | . | . . . | 24 | ||||||
| . | . | . | . . | . . | . | ||||||||||||||
| diagnostic diagnostic | . | . | |||||||||||||||||
| ac power battery | program . | . | . | . | . | . | . | ||||||||||||
| checkout | programs. and . | . . | . adapter . | . . . | . . . . | . . | . | . | . . | . | 25 | ||||||||
| Power system | . | . | . | . . | . | . . . | . . . . | . . . | . . . . | . . . | . . . | 26 26 29 | |||||||
| Checking the Checking the product | Recovery | by . | using . | . | . . | operational . . the . | . . | . | . . . . | 29 | |||||||||
| Checking the | on | the | . | . . . . . | . | ||||||||||||||
| charging . . . coin-cell | . | . | . contents Set . recovery Windows . | . programs | if | . | . . | 27 27 | |||||||||||
| . factory Disc | system | battery service | 10 . . | ||||||||||||||||
| . . using | . operating . . | 32 32 33 | |||||||||||||||||
| Chapter 4. | . | . | . | . | . | . . . | 30 | ||||||||||||
| Related information . Restoring the | . . | . | |||||||||||||||||
| Using the Windows Windows 8.1 operating Recovery overview for the system. . . . . . Resetting your computer | . . | . | . | . | |||||||||||||||
| Using advanced startup Recovering your | options | ||||||||||||||||||
| operating 10 fails to start . . . . . | |||||||||||||||||||
| Windows | . | ||||||||||||||||||
| system . | . | . | . | . | . | 33 | |||||||||||||
| recovery | 33 | ||||||||||||||||||
| and | USB | . | |||||||||||||||||
| . | |||||||||||||||||||
| Creating | a | ||||||||||||||||||
| drive |
Table Caption: This table is a table of contents for a manual, listing chapters, sections, and corresponding page numbers. It appears to be a table of contents that has been reproduced multiple times.
| Passwords . . . . . . . . . . . . . . . . 34 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power-on password. . . . . . . . . . . 34 Hard disk password . . . . . . . . . . . 34 Supervisor password . . . . . . . . . . 34 How to remove the power-on password . . . 35 How to remove the hard disk password . . . 35 Power management . . . . . . . . . . . . 36 Screen blank mode (for the Windows 7 operating system only) . . . . . . . . . . 36 Sleep mode . . . . . . . . . . . . . . 36 Hibernation mode . . . . . . . . . . . 37 Symptom-to-FRU index . . . . . . . . . . . 37 Numeric error codes . . . . . . . . . . 38 Error messages . . . . . . . . . . . . 39 Beep symptoms . . . . . . . . . . . . 39 No-beep symptoms . . . . . . . . . . . 39 LCD-related symptoms . . . . . . . . . 40 Intermittent problems . . . . . . . . . . 40 Undetermined problems . . . . . . . . . 41 | |||||||||||||
| Chapter 5. Locations | |||||||||||||
| . . . . . . . . . 43 | |||||||||||||
| Locating computer controls, connectors, and | |||||||||||||
| indicators. . . . . . . . . . . . . . . . . 43 Front view. . . . . . . . . . . . . . . 43 Rear view . . . . . . . . . . . . . . . 44 | |||||||||||||
| Locating FRUs and CRUs . . . . . . . . . . 45 Major FRUs . . . . . . . . . . . . . . 46 LCD FRUs . . . . . . . . . . . . . . 47 Miscellaneous parts and other FRUs . . . . 49 Looking up FRU information . . . . . . . . . 49 Chapter6.FRU replacement | |||||||||||||
| notices . | . . | . | . | . | . | . | . | . | . | . | 51 | ||
| Common service tools . . . . . . . . . . . 51 | |||||||||||||
| Screw notices . . . . . . . . . . . . . . . 51 Retaining serial numbers. . . . . . . . . . . 52 | |||||||||||||
| . | . | . | . | ||||||||||
| Restoring the serial number of the system unit . . . . . . . . . . . . . . . . . Retaining the UUID . . . . . . . . . . . Reading or writing the ECA information . . . | |||||||||||||
| 52 53 54 | |||||||||||||
| Chapter7.Removing or replacing a |
Table Caption: This table appears to be an index or table of contents for a technical manual, likely for computer hardware. It lists chapter titles, subtopics, and corresponding page numbers, covering areas like passwords, power management, locations of components, and FRU (Field Replaceable Unit) replacement procedures.
Table Caption: This table appears to be an index or table of contents for a technical manual, likely for disassembling a laptop computer, detailing the removal procedures for various internal components and their corresponding page numbers.
About this manual
This manual contains service and reference information for the following ThinkPad ® products.
ThinkPad X1 Carbon
Machine types (MT) 20BS and 20BT
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
Important: This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 'Safety information' on page 1 and Chapter 2 'Important service information' on page 19.
Chapter 1. Safety information
This chapter presents following safety information that you must be familiar with before you service a ThinkPad notebook computer.
- 'General safety' on page 1
- 'Electrical safety' on page 1
- 'Safety inspection guide' on page 2
- 'Handling devices that are sensitive to electrostatic discharge' on page 3
- 'Grounding requirements' on page 4
- 'Safety notices (multilingual translations)' on page 4
General safety
Follow these rules to ensure general safety:
- Observe good housekeeping in the area of the machines during and after maintenance.
- When lifting any heavy
