Apple Silicon Mac Modular Desktops: Troubleshooting Quick Checks

Troubleshooting quick checks for all issues

1. Shut down or restart your Mac.

2. Start up the Mac in Safe Mode.

3. Check for and install MacOS software and firmware updates.

4. Determine whether the computer is in Device Firmware Update (DFU) mode. In this mode, the computer may be unresponsive and can appear to have an issue. For desktops with a status indicator light (SIL), the SIL will be solid amber, or flash amber in an S.O.S. pattern (rapid flashes three times, brief flashes three times, rapid flashes three times), to indicate that the computer is in DFU mode. To exit DFU mode, press and hold the power button for 10 seconds to attempt to shut down the computer. Then press the power button again to attempt to turn on the computer. If the computer turns on, it was in DFU mode and has power.

More resources

General

• Identify your Mac mini model

• Identify your Mac Studio model

• Identify your Mac Pro model

Power and Startup

• If your Mac doesn’t turn on

• If your Mac doesn't start up all the way

• If you can't start up from macOS Recovery

• Mac computer status indicator light behavior

• Mac Pro (2023) status indicator light behavior

• Replace the power supply in your Mac Pro (2023)

Wi-Fi- and Bluetooth

• Resolve Wi-Fi and Bluetooth issues caused by wireless interference

Input-Output

• Identify the ports on your Mac

• About the video ports on Mac

• About the Thunderbolt ports on Mac

• Use the SD and SDXC card slot on your Mac

• Adapters for the Thunderbolt 4, Thunderbolt 3, or USB-C port on your Mac

• About the Apple Thunderbolt 3 (USB-C) Cable

• If you can't connect your Magic Keyboard, Magic Mouse, or Magic Trackpad to your Mac

• How many displays can be connected to Mac mini

• How many displays can be connected to Mac Studio

• How many displays can be connected to Mac Pro

• Install and replace parts in your Mac Pro (2023)

• Replace the Apple I/O card in your Mac Pro (2019 or later)

• Replace the Apple Thunderbolt I/O board in your Mac Pro (2023)

• PCIe cards you can install in your Mac Pro (2023)

• Install PCIe cards in your Mac Pro (2023)

• Install or replace SSD modules in your Mac Pro (2023)

Sound

• About the audio ports on Mac

• If you can’t hear sound from your Mac speakers