Short-circuit power outlet with two macbook chargers and one cable

So if I connect the two converters for a MacBook (with a USB-c cable between) to two power outlets. What will happen? See the picture.

Wireless earphones connection

I accidentally deleted my bluetooth speakers from my macbooks devices list. Now it will not show up again. How can I get it to show up again so I can reconnect it?

Samsung Galaxy S20+ Teardown: In the Shadow of the Ultra

Solution for logging into PC with macbook, using PC speakers to play music

We have a Windows 10 PC that is connected to our sound system. I would like to be able to log into that PC from my MacBook (High Sierra) and play music, either off of the (PC) hard drive or from an online service (Deezer). Essentially,…

Is Mac hardware with the T2 chip vulnerable to the latest Intel CSME exploit?

Based on this exploit, are recent Macs with the T2 chip affected, I ask as I wonder how much Apple relies on its own silicon vs Intel CSME. This is a disaster, how is Intel surviving this stuff. I read that the T2 chip has its own Se…

How to Split Screen on iPad to Run Two Apps Side-by-Side

All modern iPad models have the ability to use Split Screen mode, allowing you to have two apps open at once, side-by-side. Using Split Screen on iPad is fairly easy once you learn how it works, but it’s also not necessarily discoverable or intuitiv…

Solution for logging into PC with macbook, using PC speakers to play music

We have a Windows 10 PC that is connected to our sound system. I would like to be able to log into that PC from my MacBook (High Sierra) and play music, either off of the (PC) hard drive or from an online service (Deezer). Essentially,…

Best way to connect Remote Mac with audio from Mac or PC

I am in a need of a solution, where I can remotely connect from my PC/Mac to remote Mac Pro or Mac mini with audio coming from it. I will be using VPN to access Remote Mac, so I couldn't get Airfoil working for me (correct me if I miss…

Set Mac Firmware Password from Linux

I would like to set a firmware password on my MacBook Pro, but I only run Linux on it. I know I could download a macOS installer and use that to set the firmware password without installing macOS, but it would be a lot easier simply to …

Cannot boot Ubuntu on a triple boot system (Catalina, Win10, and Ubuntu 18.4.4)

I am running a 2012 Macbook Air (5,2) with a 1TB SSD installed. I plan on using Mac as my main OS, windows for apps unavailable on mac, and linux for programming. Using the Mac Boot Manager (hold alt while booting up) allows me to boot …

How to install SDL_bgi having SDL2 installed without Xcode (edit: with Xcode)

I would like to install SDL_bgi on macOS without Xcode. I’ve downloaded the file • Sources: SDL_bgi-2.4.0.tar.gz from the website sourceforge. But now that I have the folder, I don’t know how to install it. I have tried running sh /pa…

How to clean an iPhone to guard against Coronavirus?

I've read several articles that cleaning an iPhone should only be done by a microfibre cloth to prevent damage to the device. But I can't see how that will actually clean the device and kill things like viruses. This might sound over …

How to Unzip Files on iPhone or iPad

You can easily unzip and uncompress zip archives on iPhone and iPad, directly from the Files app. This makes it easier than ever to access data and files stored within any zip file, and you don’t need any third party apps or tools to open the zip ar…

Power a MacBook Off-Grid

I'm interested in working remotely- very remotely off-grid in fact. How can I power a Macbook Pro & related peripherals using Solar Power?

Search fi (one character) as fi (two characters) in mdfind

In the pdf below, the two characters f and i is contracted into the one-character ligature fi as in "significance". So that when I searched "Brown Adipose Tissue: Function and Physiological Significance" (f and i are two characters) by m…

Search fi (one character) as fi (two characters) in mdfind

In the pdf below, the two characters f and i is contracted into the one-character ligature fi as in "significance". So that when I searched "Brown Adipose Tissue: Function and Physiological Significance" (f and i are two characters) by m…

Booting a Mac clone from a partition on a usb 3 external drive

I'm unable to boot a MacBook clone from a partition on an external drive. I'm in the process of finally upgrading the OS of my mid-2012 MacBook Pro from Yosemite to Catalina, and need to make a bootable clone backup of my Yosemite mac…

Checking Certificates Meet Apple Requirements

is there a command or UI I can use to test certificates or diagnose why they aren't valid? A while back Apple changed the requirements for TLS certificates, and announced dates from when those changes would take effect. For example not…

Search fi (one character) as fi (two characters) in mdfind

In the pdf below, the two characters f and i is contracted into the one-character ligature fi as in "significance". So that when I searched "Brown Adipose Tissue: Function and Physiological Significance" (f and i are two characters) by m…

How to Search for Songs by Lyrics on Apple Music on iPhone or iPad

Ever wished you could search for a song by lyrics? You can perform lyrics searches with Apple Music on iPhone, iPad, or even Mac, to identify a song by words. Have you ever been in a store, bar, club, restaurant, or any public venue where you actual…

How to clean speaker hole on macbook pro

if you have macbook with thunderbolt - you will have some weird verry small hole on speaker. If this hole is dirty - HOW TO CLEAN IT ? I have try with vacum cleaner nor air compressor not work.