macOS RSS
Where have all my files gone?
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 đŸ™‚ 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...
About serial numbers
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.