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UNTRUSTED_CERT_TITLE

Are you getting the UNTRUSTED_CERT_TITLE error during MacOS Recovery

Are you getting the UNTRUSTED_CERT_TITLE error during MacOS Recovery

So my cousin called me out of the blues trying to find a way to reinstall her Macbook from scratch.  When she ended up with this error UNTRUSTED_CERT_TITLE.  So I pulled up my notes and figured out how to fix this particular error and I found this.

So if you ever bump into this issue, the problem is actually because of your computer wrong system time.

So the solution is pretty simple, because when I checked the time on her system, it was set to 31/12/2001, let’s start from the beginning.

 

Are you getting the UNTRUSTED_CERT_TITLE error during MacOS Recovery

Step 1

Start by turning on your Mac-book and as soon as your press that power button your next step would be to press & hold Command + R.

UNTRUSTED_CERT_TITLE

Step 2

The next thing you have to do is go to Utilities then click on Terminal.

Choosing_Terminal

 

Step 3

Once you get here, you can do a few things.

  • Type “date”  (without the “” part)
    • It’ll display the system’s current date, chances are if you are getting the UNTRUSTED_CERT_TITLE error, you should see a very old date. let’s say “31/12/2000”
  • Ok now in order to fix this, the command to enter is “`date MMDDHHMMYY` (M=Month, D=Day, H=Hour in 24-hour notation, M=Minute and Y=last 2 digits of year).”
    • Take note that the code is “date MMDDHHMMYY”  (without the “”)
    • Type “date” again to make sure it has been updated.

Terminal

 

Step 4

Once you are done updating the date, make sure you Quit Terminal and it should land you back to the previous menu

Quit Terminal

 

Step 5

You should be able to reinstall your macOS now.

Main Command R Menu

 

Are you getting the UNTRUSTED_CERT_TITLE error during MacOS Recovery

 

If it worked, please share the love.  Hopefully your issue with your UNTRUSTED_CERT_TITLE has been resolved.

 

Ani C
July 20th, 2018 at 2:08 pm

Thank you thank you thank you thank you!!! From the bottom of my heart. You are seriously the best ever!!! I was trying to desert my computer and was searching far and wide online for the best answer. Everyone had the same answer, but you inserting screenshots and the fact that I didn’t have to include “” helped soooo much. Thank you so much!

September 13th, 2018 at 6:30 am

You’re very welcome.. 🙂

M.katt
September 3rd, 2018 at 4:50 pm

Thank you a million times over

September 13th, 2018 at 6:30 am

Welcome, welcome, welcome… 🙂

Mary
October 5th, 2018 at 10:21 am

Thank you! Worked but now I don’t show a disk to save to. UGH

October 19th, 2018 at 8:22 am

Welcome Welcome….

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