Lenovo 20E4 Manuals

Manuals and User Guides for Lenovo 20E4. We have 1 Lenovo 20E4 manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20E4 Hardware Maintenance Manual

Lenovo 20E4 Hardware Maintenance Manual (60 pages)

Brand: Lenovo | Category: Tablet | Size: 16.18 MB

Table of Contents

Table of Contents
2
About this Manual

4
Chapter 1. Safety Information

5
Chapter 2. Important Service Information

11
- Strategy for Replacing Frus
  11
  - Important Notice for Replacing a System Board
    11
  - How to Use Error Message
    12
- Strategy for Replacing Frus for CTO, Special Bid Model, and Standard Models
  12
  - Product Definition
    12
  - FRU Identification
    12
Chapter 3. General Checkout

14
- What to Do First
  14
- Checkout Guide
  15
  - Lenovo Solution Center
    15
  - Quick Test Programs
    15
  - UEFI Diagnostic Program
    15
  - Bootable Diagnostic Programs
    16
- Power System Checkout
  17
  - Checking the Built-In Battery and Operational Charging
    17
  - Checking the Ac Power Adapter
    17
Chapter 4. Related Service Information

19
Chapter 5. Locations

27
- Locating Tablet Controls, Connectors, and Indicators
  27
- Locating Frus and Crus
  28
  - Major Frus
    29
  - Miscellaneous Kits and Other Parts
    30
Chapter 6. FRU Replacement Notices

32
- Screw Notices
  32
Chapter 7. Removing or Replacing a FRU

34

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