Table of Contents
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Chapters
Table of Contents
Related Manuals for Lenovo 7-14IRH
Summarization of Contents
Chapter 1. Safety information
General safety
Rules for safe operation and handling of equipment.
Electrical safety
Precautions for working with electrical components and avoiding shock.
Safety inspection guide
Checklist for identifying potentially unsafe conditions before servicing.
Handling devices sensitive to electrostatic discharge
Procedures to prevent ESD damage to electronic components.
Grounding requirements
Importance of proper electrical grounding for safety and system function.
Safety notices (multilingual)
Lists languages for safety notices.
Chapter 2. General checkout
What to do first
Information required when returning a FRU or CRU.
CRU list
Lists Customer Replaceable Units (CRUs) for specific models.
Chapter 3. Identifying FRUs (CRUs)
Locate FRUs and CRUs
Uses exploded illustrations to identify parts for replacement.
Chapter 4. Removing a FRU or CRU
Service tools
Lists tools required for servicing Lenovo computers.
General guidelines
Important rules to follow before and during FRU/CRU removal.
Remove the lower case
Step-by-step instructions to remove the bottom cover of the laptop.
Remove the battery pack
Procedures for disconnecting and removing the battery.
Remove the 2242 solid-state drive (SSD)
Steps to remove the 2242 NVMe SSD.
Remove the 2280 solid-state drive (SSD)
Steps to remove the 2280 NVMe SSD.
Remove the Wi-Fi card
Instructions for removing the wireless network card.
Remove the touchpad board cable
Steps to disconnect and remove the touchpad ribbon cable.
Remove the I/O board cable
Steps to disconnect and remove the I/O board ribbon cable.
Remove the heat sink
Instructions for removing the CPU and GPU heat sink assembly.
Remove the fan
Steps to disconnect and remove the cooling fan.
Remove the I/O board
Instructions for removing the input/output board.
Remove the system board and the I/O board FPC
Steps for removing the motherboard and its associated flexible printed circuit.
Use Golden Key U1 tool for key id information
Guide for using a tool to write system identifiers to a new motherboard.
Remove the speakers
Steps to disconnect and remove the internal speakers.
Remove the LCD module
Instructions for removing the display panel assembly.
Remove the upper case
Steps to remove the top chassis cover.
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