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If it's a "screechy" noise as you describe the it's very possible it could be either "capacitor squeal or coil whine." In the audio recording, the fan itself was generating a good deal of (normal) no …

This is because the jacks on the Mac are not line level inputs/outputs. I wrote an answer to a question in a similar vane that addresses this in much more detail: Use 3.5mm jack as line in for a musi …

I wanted to know is it possible to to use it as main monitor. This appears to be a Catch-22 as you need a special driver for this monitor to work on macOS but to get the driver, you’ll need to downl …

The Intel Iris graphic chipset uses shared memory meaning it allocates up to 1.5GB (not 1.5Ghz which is frequency or more commonly known as speed) of RAM from the system to be used as VRAM. So, If yo …

Shutdown cause -128 is "hardware" related; most times, I have noticed it's related to memory. What you can try: NVRAM and SMC Reset. Hold CommandOptionPR for about 20 seconds while turning on from …

Short answer: No. Apple is not going to retrofit memory into any Mac (Mac mini, MacBook, etc.) if you want to upgrade. They don't even make simple repairs to their logic boards - they will just rep …

It's actually not a phantom drive; there's a 128GB SSD that originally came with the Mac mini to be used in conjunction with the HDD as a "Fusion Drive." From Everymac.com: This model also could …

The behavior you are seeing is because the switch you are using is completely disconnecting the signal from the Mac so macOS assumes (rightly so) that they monitor is gone and it needs to consolidate …

With the two monitors you have listed, it's not feasible (most definately, not economically). The 27" Apple Cinema Display requires miniDisplay Port The 27" Apple Thunderbolt Display can only suppor …

Is it likely that replacing the Wi-Fi/Bluetooth adapter would resolve the problem? Yes. It's highly likely that the issue is the Airport card because it is a combo Bluetooth and Wi-Fi adapter. …

Would now be a good time to go ahead and replace my hard drive or am I good to wait for a little while? The answer comes down to your answer to the question "What's your data and time worth?" …

You can’t use three Thunderbolt 3 ports to drive three displays. You can accomplish this by connecting two Thunderbolt 3 to HDMI adapters/cables and one HDMI to HDMI/VGA/DVI adapter via the HDMI por …

There are several questions already dealing with this topic of using a Mac of some type (MacBook, iMac, iPad, etc.) as an additional display to a computer whether it be another Mac or even a Windows m …

When you run the command sysctl hw.cpufrequency you are getting a constant that was given to the OS at startup. If you want to get the CPU frequency "on-the-fly" you will need to poll the CPU. Tha …

Avoid Apple's WiFi Altogether. If you are going to use your Mac mini for Dev work, I (IMO) would put this on a wired connection rather than WiFi. Since the issue isn't your WiFi per se, as evidenced …