EasyManua.ls Logo

Lenovo 20L5 User Manual

Lenovo 20L5
114 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
T480
Hardware Maintenance Manual

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Lenovo 20L5 and is the answer not in the manual?

Lenovo 20L5 Specifications

General IconGeneral
Memory8GB DDR4
Display14" FHD (1920 x 1080) IPS, 250 nits
GraphicsIntel UHD Graphics
Operating SystemWindows 10 Pro
Ports2 x USB 3.1
WirelessBluetooth

Summary

Chapter 1. Safety Information

General, Electrical, and ESD Safety

Key safety rules for general, electrical, and static discharge handling.

Safety Inspection and Grounding

Checklist for unsafe conditions and grounding requirements.

Chapter 2. Important Service Information

FRU Replacement Strategy and Identification

Guidelines for FRU replacement and identifying parts.

System Board Replacement Notice

Precautions for handling sensitive system boards.

Chapter 3. General Checkout

Checkout Guide and Problem Diagnosis

Procedures for identifying and correcting problems.

Diagnostic Programs and Power Checks

Using diagnostic tools and checking power systems.

Chapter 4. Related Service Information

Passwords, Power Management, and Symptoms

Information on passwords, power modes, and symptom-to-FRU index.

Error Code and Message Troubleshooting

Using numeric error codes and messages for diagnosis.

Chapter 5. Status Indicators

System, Power, and Other Status Indicators

Explains various indicators on the computer.

Chapter 6. Using the Special Keys

Fn Key and Function Key Configuration

Configuring Fn and function keys for special functions.

Chapter 7. Locations

Component Locations and FRU/CRU Identification

Diagrams of parts and lists of FRUs/CRUs.

System Board Connectors and Cables

Details system board connectors and their internal cables.

Chapter 8. FRU Replacement Notices

CRU Statement, Screw Notices, and Serial Numbers

Customer FRU policy, screw guidelines, and serial number retention.

Chapter 9. Removing or Replacing a FRU

General Guidelines and Battery Disabling

Procedures for FRU replacement and battery disabling.

Common FRU Replacements

Steps for replacing battery, SIM, base cover, memory, storage, wireless cards.

System Board and Display Replacements

Procedures for replacing system board and LCD unit.

Related product manuals