Lenovo 20QA001QIX Manuals

Lenovo 20QA001QIX Manuals

Manuals and User Guides for Lenovo 20QA001QIX. We have 1 Lenovo 20QA001QIX manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20QA001QIX Hardware Maintenance Manual

Lenovo 20QA001QIX Hardware Maintenance Manual (89 pages)

Brand: Lenovo | Category: Laptop | Size: 31.74 MB

Table of Contents

Table of Contents
3
About this Manual

5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

27
- Strategy for Replacing Frus
  27
- Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
  28
  - Product Definition
    28
  - FRU Identification
    29
Chapter 3. General Checkout

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

37
- Recovery Information
  37
- Passwords
  38
- Power Management
  41
  - Sleep Mode
    41
  - Hibernation Mode
    41
- Symptom-To-FRU Index
  42
  - Numeric Error Codes
    42
  - Numeric Error Codes
    43
  - Error Messages
    44
  - Beep Symptoms
    44
  - No-Beep Symptoms
    46
  - LCD-Related Symptoms
    46
  - Intermittent Problems
    47
  - Undetermined Problems
    47
Chapter 5. Special Keys

49
Chapter 6. Locations

51
- Locating Computer Controls, Connectors, and Indicators
  51
  - Front View
    51
  - Side View
    52
  - Bottom View
    53
- Locating Frus and Crus
  53
  - Major Frus
    55
  - Miscellaneous Parts and Other Frus
    57
  - Connector and Cable Guide
    57
- Looking up FRU Information
  58
Chapter 7. FRU Replacement Notices

59
- Service Tool Kit
  59
- Screw Notices
  59
- Retaining Serial Numbers
  60
Chapter 8. Removing or Replacing a FRU

63
Appendix A. Notices

85

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