iMac (24-inch, M1, 2021, Four ports) Repair Manual

Contents

• Introduction Important: Read this first.

Safety

• Broken Glass Safety

• Electrical Safety

Troubleshooting

• Quick Checks

• Apple Diagnostics for Self Service Repair

• Communication

  • Bluetooth or Wi-Fi issues

  • Ethernet issues

• Display

  • Camera or ambient light sensor issues

  • Display and image issues

• Input/Output

  • USB-C and Thunderbolt issues

• Mechanical

  • Computer feels unusually warm, has unusual odors, or emits excessive noise, hum, or vibration

  • Stand or hinge issues

• Power and Startup

  • Intermittent shutdown or system instability

  • No power

  • Startup issues

• Sound

  • Microphone issues

  • Speaker or headphone jack issues

Views, Parts, and Tools

• Exploded View and Orderable Parts

• Screws

• Tools

Procedures

• First Steps

• Display

• Battery Board and Batteries

• Logic Board Cover

• Stand

• USB-C Boards

• VESA Mount Adapter

• Adapter Board

• Audio Board

• Audio Board Flex Cable

• Battery Board Cable

• Camera and Embedded DisplayPort Flex Cable

• Display Backlight Flex Cable

• Fans

• High-Speed Flex Cable

• Logic Board

• Low-Speed Flex Cable

• Wi-Fi Antenna

• Wi-Fi and Bluetooth Antenna

• Housing

Manual ID: SNCHJB

Copyright & Trademark