Lenovo 20W0001SUS Notebook Computer Manuals

Manuals and User Guides for Lenovo 20W0001SUS Notebook Computer. We have 1 Lenovo 20W0001SUS Notebook Computer manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20W0001SUS Hardware Maintenance Manual

Lenovo 20W0001SUS Hardware Maintenance Manual (137 pages)

Brand: Lenovo | Category: Laptop | Size: 65.62 MB

Table of Contents

Table of Contents
3
About this Manual
5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

27
Chapter 3. General Checkout

31
- What to Do First
  31
- Checkout Guide
  32
- Diagnosing Problems
  32
- Quick Test Programs
  32
- UEFI Diagnostic Program
  33
- Bootable Diagnostic Programs
  33
- Power System Checkout
  34
- Checking the Ac Power Adapter
  34
- Checking the Built-In Battery and Operational Charging
  35
- Checking the Coin-Cell Battery
  35
Chapter 4. Related Service Information

37
- Recovery Overview for the Windows 10 Operating System
  37
- Resetting Your Computer
  37
- Using Advanced Startup Options
  37
- Recovering Your Operating System if Windows 10 Fails to Start
  38
- Creating and Using a Recovery USB Drive
  38
- Passwords
  39
- Power-On Password
  39
- Nvme Password
  39
- Supervisor Password
  39
- System Management Password
  40
- How to Remove the Power-On Password
  40
- How to Remove the Nvme Password
  41
- How to Remove the System Management Password
  41
- Power Management
  42
- Sleep Mode
  42
- Hibernation Mode
  42
- Symptom-To-FRU Index
  43
- Numeric Error Codes
  43
- Error Messages
  45
- Beep Errors
  45
- Beep Symptoms
  47
- LCD-Related Symptoms
  47
- Intermittent Problems
  48
- Undetermined Problems
  48
Chapter 5. Special Keys

51
Chapter 6. Locations

53
- Locating Computer Controls, Connectors, and Indicators
  53
- Front View
  53
- Side View
  54
- Bottom
  56
- Rear View
  56
- Locating Frus and Crus
  56
- Major Frus and Crus
  58
- LCD Frus
  61
- Miscellaneous Parts
  62
- Connector and Cable Guide
  63
- Looking up FRU Information
  70
Chapter 7. FRU Replacement Notices

71
- Service Tool Kit
  71
- Screw Notices
  71
- Retaining Serial Numbers
  72
- Restoring the Serial Number of the System Unit
  72
- Retaining the UUID
  73
Chapter 8. Removing or Replacing a FRU

75
Appendix A. Notices

131
Appendix B. Abbreviation and Acronym Table

133

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