install macos sierra untrusted_cert_title

How to Fix 'Untrusted Cert Title' Error on macOS Sierra

Are you experiencing an 'untrusted cert title' error when trying to install macOS Sierra? This issue can be frustrating and prevent you from reinstalling your operating system. But don't worry, we've got you covered. In this article, we'll show you how to fix the 'untrusted cert title' error on your Mac.

The problem often arises due to incorrect date and time settings on your Mac. To fix this issue, you can manually update your date and time settings using the Terminal. Here's how:

1. First, make sure that your system clock is accurate. You can check this by selecting the 'Time Zone' tab in the preference pane and ensuring that your location matches your current time zone.

2. Next, open the Terminal app and type `date` to check your current date and time settings. If they're incorrect, you'll need to update them manually.

3. To do this, type `date mmddhhmmyy`, replacing 'mm' with the month, 'dd' with the day of the month, 'hh' with the hour, 'mm' with the minute, and 'yy' with the year. For example, if your date is June 12th, 2022 at 3:45 PM, you would type `date 061220222345`.

4. Once you've updated your date and time settings, restart your Mac in Recovery Mode by pressing Command + S.

5. In Recovery Mode, open the Terminal app again and type `exit` to exit Single User Mode.

6. Reboot your Mac and try reinstalling macOS Sierra.

Alternatively, you can also boot your Mac in Single User Mode by holding down Option + Command + R while restarting your computer. From there, you can follow the same steps above to update your date and time settings.

It's also important to note that incorrect date and time settings can sometimes trigger this error when trying to reinstall macOS Sierra. Therefore, it's essential to ensure that your system clock is accurate before attempting to reinstall your operating system.

By following these simple steps, you should be able to fix the 'untrusted cert title' error on your Mac and successfully reinstall macOS Sierra. If you have any further questions or concerns, feel free to leave them in the comments below.

Install macos sierra untrusted_cert_title