If you happened to install Catalina on a disk which already had files on it, this is where you find them after you boot into the new macOS: System > Volumes > Macintosh HD (or your disk name) Hope this will save you from otherwise pending heart attack 🙂 In my case, I upgraded the macOS on my personal iMac 5K with 2 TB SSD replacement for what originally was 1 TB Fusion drive. If you don't know yet, the Fusion drive consists from a smaller capacity SSD "blade" flash storage and a large but cheaper traditional hard drive. I replaced...

The first thing is to check and remove any debris from the charging port on the bottom of your device. Yes, it could be that simple.

Sometimes, when watching a streaming video and doing a call at the same time, the audio on your Mac goes too quiet. Use this Terminal command to reset it.

If your Mac has issues which aren't exactly either software or hardware related, such as misbehaving USB ports, or issues with sound or display brightness, you could try these two "quick fixes" - resetting power management or parametric memory.

Serial number is a unique identifier of your device. When you ask us to give you a quote, your device's serial number helps us to find specific parts and also find out about possible warranty extensions or alternatives.