How to Recover Lost Data after Installing macOS?

author

Ava

updated on 2019-10-15 to Mac Data Recovery

"I installed the macOS on a wrong drive and lost all my files on the drive. I back up my files regularly in order to avoid problems like this, but I simply goofed this time. Can I still be able to regain my lost files from the startup drive now? – Todd"

recover lost data from startup disk after installing macOS

Actually, the issue happens to many users recently as the new macOS Catalina is available. Many Mac users choose to update the system to macOS Catalina. When doing this, they have to install the macOS on their drive. Normally, the macOS installing process will wipe the drive and reinstalling the new macOS. No matter you install macOS to the original startup disk or to other data drives, it will cause data loss. You will lose the files if you don't have a backup for your data on the drive. If so, what should we do? Is it possible to recover lost data from startup disk after installing macOS?

Download the software for macOS data recovery software

Here we suggest you download TogetherShare Data Recovery for Mac to recover lost data from startup disk after installing macOS. It works for macOS Catalina 10.15, Mojave 10.14, High Sierra 10.13, and lower versions of macOS/OS X.

For Mac users, some other issues can also cause data loss on Mac drive. TogetherShare can also help you in other data loss scenarios. For example, it can recover deleted files, "recover files from erased drive, recover files from raw drive, and recover lost data in other cases.

How to recover lost data from startup disk after installing macOS?

TogetherShare macOS data recovery software is very simple and intuitive. Mac users can use this software to recover lost data easily after installing macOS. Here is the simple guide for Mac users. Actually, only 3 steps needed to recover lost data from startup disk after installing macOS. Here is how:

Step 1. Choose the startup disk.

Install and run the data recovery software for macOS, then select the startup disk from the drive/device list of the product.

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Step 2. Scan the startup disk for lost files.

The software will scan the startup disk deeply to search for the lost data from the drive. We suggest you wait patiently until the scan is finished.

recover lost data from startup disk after installing macOS

Step 3. Preview and recover.

After the scan is finished, you are able to preview and check all the found files first. Then please only select the wanted and recoverable files to recover.

recover lost data from startup disk after installing macOS

Data may lose from Mac drive, external drive, SSD, USB flash drive, memory card, and other devices on Mac, TogetherShare Data Recovery for Mac as the best data recovery software, is able to help you rescue lost files/data from these storage devices/drives. You can simply download the software and then have a try directly.