Lenovo 20E5 Manuals

Manuals and User Guides for Lenovo 20E5. We have 1 Lenovo 20E5 manual available for free PDF download: Hardware Maintenance Manual

Lenovo 20E5 Hardware Maintenance Manual

Lenovo 20E5 Hardware Maintenance Manual (96 pages)

Brand: Lenovo | Category: Laptop | Size: 22.33 MB

Table of Contents

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

7
Chapter 2. Important Service Information

25
Chapter 3. General Checkout

29
- What to Do First
  29
- Checkout Guide
  30
- Lenovo Solution Center
  30
- Quick Test Programs
  30
- UEFI Diagnostic Program
  31
- Bootable Diagnostic Programs
  31
- Power System Checkout
  32
- Checking the Ac Power Adapter
  32
- Checking the Battery and Operational Charging
  33
- Checking the Coin-Cell Battery
  33
Chapter 4. Related Service Information

35
Chapter 5. Locations

47
- Locating Computer Controls, Connectors, and Indicators
  47
- Front View
  47
- Left-Side View
  49
- Bottom View
  50
- Locating Frus and Crus
  50
- Major Frus
  51
- LCD Frus
  53
- Miscellaneous Parts and Other Frus
  56
- Looking up FRU Information
  56
Chapter 6. FRU Replacement Notices

57
Chapter 7. Removing or Replacing a FRU

61
Appendix A. Notices

93
- Electronic Emissions Notices
  94
- Trademarks
  94

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