Show Black Screen Not Working On Teamviewer Mac

Can’t Boot after uninstalling Teamviewer on Mac OS Catalina

12/4/2019

Ran into this problem on a few macs. The scenario is that you've uninstalled teamviewer on macOS catalina and now your mac won't boot. Instead it give you an error that reads: 'Unrecoverable Error. SecurityAgent was unable to create requested mechanism TeamViewerAuthPlugin:Start.
Basically it's a file that the OS is looking for to boot and it can't find it. Solution below:

UPDATE! 3/01/20
The simplest fix:
AuthDB Removal:
  • Start into macOS Recovery by holding down Cmd-R when booting before the chime until the apple logo.
  • Open Disk Utility -- found in the upper utility menu option.
  • Check the left source list for the name of your disk. For Macs running Catalina it is the Disk that does not end in '- Data'. It's usually 'Macintosh HD.'
  • Click to select the disk in the sidebar.
  • Click the 'Mount' button in the upper right. If you see the word 'unmount' skip this step.
  • Quit Disk Utility.
  • From the top menu bar click Utilities > Terminal.
  • Enter the command and hit return: rm '/Volumes/<your disk>/var/db/auth.db'
    • ​NOTE** There is a space after rm
    • NOTE** Replace <your disk> with the name of your hard disk from the earlier step.​ Eg. rm '/Volumes/Macintosh HD/var/db/auth.db'​
    • NOTE** once you enter the command hit return to submit the command.
    • NOTE** if the terminal returns down waiting for a new command, it's successful.
  • Restart.
  • ​If you receive an error review the steps carefully again, or call us for assistance.

OLD FIX - Replace the Plugin.
The Fix Option 1 - Target Disk Mode:
  • Requires a Thunderbolt cable to connect two macs together.
  • Get another mac that is not the broken one, duh.
  • Download the file you need to replace here.
  • Unzip the file.
  • Boot the broken mac to target disk mode by holding the T key during boot, until you see the thunderbolt Icon on the screen.
  • Connect both macs together via thunderbolt, the broken mac's hard drive will show up as an external HD.
  • In the Finder, from the root of the broken mac's hard drive navigate to: /Library/Security/SecurityAgentPlugins/
  • Paste in the file you downloaded above.
  • Restart the broken mac.
  • Done. Hooray.

The Fix Option 2 - USB Thumb Stick & Terminal Command:
  • Download the file you need to replace here.
  • Unzip the file.
  • Copy the file to a USB Thumb Drive.
  • Name the USB drive: fixit
  • Connect the USB to your broken mac.
  • Boot your broken Mac while holding Command+R until you see the Apple logo.
  • In the upper menu click utilities, then select terminal.
  • Type the following command and hit return: ls /Volumes/
  • This command lists the attached volumes. Make a note of the drive name for the internal hard drive.
  • Enter the terminal command and hit return: cp -r /Volumes/fixit/TeamViewerAuthPlugin.bundle /Volumes/Macintosh HD/Library/Security/SecurityAgentPlugins/
NOTE ** YOU MAY NEED TO REPLACE THE NAME OF 'MACINTOSH HD' IF YOUR HARD DRIVE NAME DIFFERS. ALSO, IF THERE ARE SPACES IN YOUR HARD DRIVE NAME, THE SPACE IS REPRESENTED AS A ' ' A BACKSLASH WITH A SPACE. EG. 'MY HARD DRIVE' IT WOULD BE REPRESENTED IN THE TERMINAL COMMAND AS 'MY HARD DRIVE'
  • Click the apple in the upper left and select restart.
  • Done. Hoory.

​You're welcome.
1/16/2020 03:19:38 pm

I tried your Option 2. After going to the terminal and entering Is /Volumes/ it just said file not found which seemed odd. So I entered the cp -r /Volumes/fixit/TeamViewerAuthPlugin.bundle /Volumes/Macintosh HD/Library/Security/SecurityAgentPlugins/ and restarted but got the same error. I'm getting 'the file I need' on another mac, saving it to a thumb drive, then using an adapter to connect it to the mini usb on my broken computer. Could this be a problem. Frustrated and perplexed.

2/10/2020 12:00:51 pm

I have the same problem

3/9/2020 11:15:57 am

Go with the updated steps, see above
'
UPDATE! 2/10/20
There is a simpler fix than the one detailed below. We'll lay it out here:
FIX - AuthDB Removal:
'
with the only remark that to boot into recovery, switch off your Mac, then press and hold keys [command] and [R] and switch on your Mac (keep the two keys pressed until the apple logo appears, the you can release them). The ret of the steps should be straight-forward.

1/20/2020 09:42:46 am

Agh, I cant even find the Terminal command.
Can you publish a picture where it should be.
I searched every drop down menu..

If in case your buyer removed from you. You are able to do all this without any negative side. Wake up on lan teamviewer. Otherwise, you’d like to help someone house next door.

1/26/2020 07:15:46 am

Thank you !! It helped me

1/29/2020 06:55:18 am

I used option 1, many, many thanks this worked perfectly. How do I manage to uninstall Teamviewer permanantly? The reason beoing I have heard of some scams using it to hack into computers.

3/9/2020 09:39:29 am

I can’t do that :( can you help me please???

3/9/2020 11:17:41 am

Go with the updated steps, see above
'
UPDATE! 2/10/20
There is a simpler fix than the one detailed below. We'll lay it out here:
FIX - AuthDB Removal:
'
with the only remark that to boot into recovery, first switch off your Mac, then press and hold keys [command] and [R] and switch on your Mac (keep the two keys pressed until the apple logo appears, the you can release them). The rest of the steps should be straight-forward.

2/1/2020 05:21:59 am

Hey,
I have this message
How do I know it is ok?
I've tried to restart it but I still have the error :( I've tried so many times to type the code.

2/15/2020 07:14:50 pm

Thank you, thank you, thank you. I was pulling my hair out, but now all is well. I can’t thank you enough for the fix using the Terminal command.

2/17/2020 02:22:12 pm

Thanx so much! It worked for another lost file mkauthplugin:prelogin. My son unplugged a flight simulator joy stick?? and the message came up!

2/24/2020 02:04:07 am

I’ve tried command R and many other key combinations I’ve seen in online discussion groups. Nothing I do gets rid of the black screen and unrecoverable error message. I would love to try your solution but I can’t get into recovery mode. Any thoughts?

2/24/2020 10:44:42 am

Awesome it’s working

3/6/2020 06:38:30 am

The new solution
'
UPDATE! 2/10/20
FIX - AuthDB Removal:
'
worked like a charm right away. Kudos to you, brothers and/or sisters :)
PS: all this after a long session with Apple Support involving a 2nd-line 'senior advisor' who could only give me the standard incompetency-proving solution of 'wipe&reinstall macOS'.. pff.

3/13/2020 10:37:35 pm

Hi i tried your updated fix posted below for the Teamviewer reboot error. I was successful up until the step to enter command: rm '/Volumes/<your disk>/var/db/auth.db'
I get “no such file or directory”.
I’ve verified name of my HD is the same: Macintosh HD.
Please help!
https://www.easymacsupport.com/blog/cant-boot-after-uninstalling-teamviewer-on-mac-os-catalina

3/26/2020 03:31:48 pm

I have excatly the same, how did
You fix it in the end?

3/27/2020 11:14:30 am

same 😥

3/27/2020 11:47:19 am

It is: rm(space) And then “/Volumes.. etc. And you need to leave a space in between Macintosh And HD also. And still use the “”

3/15/2020 12:28:55 pm

You saved my life. Option 1 worked also in High Sierra.

3/23/2020 02:30:54 am

Help! It doesn't work on my mac. I have always ' No such file or directory' answer .

3/23/2020 02:48:33 am

Ok, I get it! I've tried a few usb format and it's working :)

3/26/2020 03:21:27 pm

I have the same! How did you fixed
It????

3/28/2020 07:01:25 pm

Muchas Gracias!!! U save my life!!! Thx!!!
Just one comment: between rm and “ there is a space!!!

3/29/2020 10:52:34 am

This fucking teamviewer broke my macbook pro

4/3/2020 01:59:02 am

Thank you!! It worked with the disk name name as ../“Macintosh HD”/..

4/3/2020 02:09:35 am

I love you

4/6/2020 02:20:54 pm

The first one worked you just have to type it in correctly!
Thank you ,weight is off my shoulders!

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You can work with Chrome OS and TeamViewer from anywhere. Free for private use.

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Screen share, also known as desktop sharing, is the practice of sharing the contents of your screen with another device or multiple devices.This can include all the elements on a screen or simply one window, which allows for complete control over the visibility of your desktop and guarantees privacy. Turn Mac screen sharing on or off. You can use screen sharing to access your Mac while you’re away, solve a problem on someone else’s Mac, or collaborate with others on. Feb 24, 2020  Fix #4: If You’re Mac is stuck on a black screen after booting. It is the most reported issue on the forums that while starting up the display of Mac goes black. This happens because of low power, and that’s why you can’t see the bright part of the screen. Previous Post « Previous iOS 13.4/12/iOS 12.4 Screen Time Not Working on.

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Chromebooks weigh very little but are capable of a lot, making them perfect for people who are on the go. While many applications now run on Chrome OS, there are still certain programs that require other operating systems, such as Windows, to be used. With TeamViewer, you can run these programs on your laptop by using remote desktop for Google Chrome OS to connect to a Windows device.

If TeamViewer is installed on both your Chromebook and the remote device you want to access, you can establish a connection between them with just a few clicks. You are then able to easily access, open and edit files and documents, as well as run computer programs, remotely. Being able use remote desktop for Chrome not only has the advantage of giving you access to programs that are not installed on your Chromebook, but ensures you can work from any location.

You can always enjoy peace of mind while working as there is no need to worry about the security of your data; TeamViewer uses the highest security standards. All data connections are end-to-end encrypted using RSA public/private key exchange and 256-bit AES session encryption. When you use remote access with Chrome OS, you will need to enter a TeamViewer ID and a dynamic password. Two-factor authentication and custom security settings provide even more layers of protection.

There are additional settings which protect your privacy. For example, you can use the “Show Black Screen” function to set the computer you are remotely accessing to display a black screen. This way no one can see what is happening on it. This is highly recommended for when you need to enter confidential data or work on sensitive documents while there are other people working in the office where the computer is located.

When using TeamViewer, it does not matter which device you want to use as the remote desktop for Chrome OS. It can be a Windows or Linux computer or even a MacBook. You can even control Android devices remotely because TeamViewer supports cross-platform use.

Help from Afar: Remote Support with Chrome OS for IT Managers

The connection established from a Chromebook to another device also works the other way: use a computer, smartphone or tablet to access a remote Chromebook. This flexibility can allow IT managers to help resolve problems remotely by remote desktoping to customer or employee devices anytime and from anywhere. This is convenient when users are often on the go, working from home or located elsewhere in the world. For total ease of use, you can provide remote support for Chrome OS devices at any time from your Android or iOS smartphone, even while on the go.

Remote Access

Chromebooks weigh very little but are capable of a lot, making them perfect for people who are on the go. While many applications now run on Chrome OS, there are still certain programs that require other operating systems, such as Windows, to be used. With TeamViewer, you can run these programs on your laptop by using remote desktop for Google Chrome OS to connect to a Windows device.

If TeamViewer is installed on both your Chromebook and the remote device you want to access, you can establish a connection between them with just a few clicks. You are then able to easily access, open and edit files and documents, as well as run computer programs, remotely. Being able use remote desktop for Chrome not only has the advantage of giving you access to programs that are not installed on your Chromebook, but ensures you can work from any location.

Security

You can always enjoy peace of mind while working as there is no need to worry about the security of your data; TeamViewer uses the highest security standards. All data connections are end-to-end encrypted using RSA public/private key exchange and 256-bit AES session encryption. When you use remote access with Chrome OS, you will need to enter a TeamViewer ID and a dynamic password. Two-factor authentication and custom security settings provide even more layers of protection.

There are additional settings which protect your privacy. For example, you can use the “Show Black Screen” function to set the computer you are remotely accessing to display a black screen. This way no one can see what is happening on it. This is highly recommended for when you need to enter confidential data or work on sensitive documents while there are other people working in the office where the computer is located.

When using TeamViewer, it does not matter which device you want to use as the remote desktop for Chrome OS. It can be a Windows or Linux computer or even a MacBook. You can even control Android devices remotely because TeamViewer supports cross-platform use.

Remote Support

Help from Afar: Remote Support with Chrome OS for IT Managers

The connection established from a Chromebook to another device also works the other way: use a computer, smartphone or tablet to access a remote Chromebook. This flexibility can allow IT managers to help resolve problems remotely by remote desktoping to customer or employee devices anytime and from anywhere. This is convenient when users are often on the go, working from home or located elsewhere in the world. For total ease of use, you can provide remote support for Chrome OS devices at any time from your Android or iOS smartphone, even while on the go.

Privacy Policy
Show Black Screen Not Working On Teamviewer Mac

Work from anywhere

TeamViewer allows Chromebook users to work from anywhere. You can access other devices to edit documents, retrieve files or use programs.

Secure and reliable

To remotely access another device from your Chromebook, all you need is a stable internet connection. The connection is end-to-end encrypted in accordance with the highest security standards.

Remote support for Chrome OS

IT managers can provide fast and comprehensive support to customers. Remote control lets you access a device and resolve problems more quickly and effectively.

Is remote desktop for Chrome safe?

Using TeamViewer with the Chrome OS is safe thanks to the extra layers of security like end-to-end encryption and malware protection that keep your devices and your personal data safe and out of the hands of third parties.

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You can easily transfer files with TeamViewer remote desktop for Chrome. After you’ve established a remote control session, click on “Files & Extras” in the toolbar and then on “Open file transfer.” Then just select which files you’d like to transfer to the other device.

Show Black Screen Not Working On Teamviewer Mac Version

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Install TeamViewer for Chrome from teamviewer.com and ask your partner to go to connect.teamviewer.com to run a QuickSupport session. Enter the ID into the Partner ID field on your screen on the “Remote Control” panel and click Connect. Then enter your partner’s password.