首次购买Mac Mini遇安装故障：开机后显示异常提示求助

Hey there, let's work through this startup problem together. That confusing "switch" prompt doesn't refer to a hidden physical switch—it's either pointing to the Mac Mini's tiny power button or a keyboard shortcut you can use. Here are actionable steps to get past this:

• Find the Mac Mini's Power Button: It's easy to miss! Look on the rear of the device, right next to the power port—it's a small circular button. Press and hold it for 3-5 seconds to force a full shutdown, then press it again to restart the setup process. This often clears up temporary startup glitches.

• Use Your Windows Keyboard for Power Controls: Since you're using a Windows USB keyboard, you can trigger power actions directly from it:

  • If your keyboard has a dedicated Power key, press Ctrl + Shift + Power to force a restart.
  • If no Power key exists, try Ctrl + Option + Command + Escape first to force quit any stuck processes, then restart once the setup interface becomes responsive.

• Double-Check Your Display Connection: Loose HDMI cables can cause display weirdness that leads to incorrect prompts. Unplug the HDMI cable from both the Mac Mini and Dell monitor, wait 10 seconds, then plug them back in securely. You can also try switching to a different HDMI port on your monitor if it has multiple.

• Boot into Safe Mode: This helps isolate software issues during setup. Here's how:

  1. Turn on your Mac Mini, then immediately press and hold the Shift key on your Windows keyboard.
  2. Let go of Shift when you see the login screen.
  3. Complete the setup in Safe Mode, then restart your Mac normally.

• Reset NVRAM/PRAM: This resets system settings that might be messing with display or startup behavior:

  1. Shut down your Mac Mini completely.
  2. Turn it on, then instantly press and hold Option + Command + P + R on your keyboard.
  3. Hold these keys for ~20 seconds—you'll hear the startup chime twice (on older models) or see the Apple logo appear and disappear twice (on newer ones).
  4. Release the keys and let your Mac boot up normally.

If none of these steps resolve the issue, try powering off your Mac Mini, unplugging the power cable for 15-20 minutes, then plugging it back in and starting setup again. This can clear persistent firmware glitches.

内容的提问来源于stack exchange，提问作者PNS