Category Archives: Mac/OSX

Update your Mac to the latest OS release

Please follow these steps to update your system:

1. TimeMachine backup: Locate your drive. Connect it. Run a backup.
(need help? check out this guide: )

2. Pick a time to install. This process will take 20 – 60 minutes. This can be done at the end of the day before you leave (as long as you cover step 4!) or over lunch break. PLEASE do not run this update right before class / a meeting where you will need your workstation.

3. Go to Managed Software Center and run the update “Install OSX High Sierra”
(need help? check out this guide: )

4. Don’t walk away! When your system restarts you will need to log back in to your encrypted workstation to kick off the final install.

5. Get coffee, lunch, read a good book (part of one, anyway) while your system updates. Usually the process will take 20 minutes, but a nice, full hard drive can take up to an hour.

5. Log back in and run any remaining updates in Managed Software Center.

If you run into ANY trouble with these steps, please do not hesitate to email or swing by the technology office, and we would be happy to guide you.

You can also contact us at to arrange a time to have your computer completely re-imaged. This can help you to get a “fresh start” with your computer, and usually results in a smoother-running system. Please send an email to to schedule a time.

Removing large files from your Hard Drive

About This Mac

(1) Click on the Apple Menu

(2) Select “About This Mac”

(3) Click the “Storage” tab

Storage Manager

(1) Find the Computer’s drive in the list, and click “Manage”

(2) From the Storage Manager , select “Documents”

(3) You can sort by “Large Files”, “Downloads” of “File Browser”.

If you select File Browser, you can see files on your computer listed by size, and you can drag unwanted files directly to the trash from this window.

How to Uninstall Mackeeper

MacKeeper is a program which often appears as part of “scareware” ads.  These ads are designed to trick individuals into downloading potentially malicious software.  Scareware ads typically generate pop-up windows that resemble computer system-generated messages indicating the computer is infected with counterfeit antivirus and antispyware software or a first aid utility software.  We would highly recommend you remove MacKeeper from your machine.

One of the best anti-malware software tools available that Dana Hall recommends is Malware Bytes. Download a free Mac OSX version from here.


Courtesy of Malwarebytes

Gatekeeper on OSX

What is Gatekeeper?

Gatekeeper helps protect your Mac from apps that could adversely affect it.

Some apps downloaded and installed from the Internet could adversely affect your Mac. Apps downloaded from the Apple App Store and Identified Developers are automatically permitted to run. Other apps that you can verify that were obtained form a legitimate source can be manually verified to run. Once you verify an application, it will be permitted to run every time.

Gatekeeper Deny

If an application is not from the Apple App Store, or an Apple identified developer, you will see this dialog when the application attempts to run.



Allow an App

You can explicitly allow an application to run. Please be sure you know where you obtained this application, and that it was from a legitimate source. Also please be conscious of weither this application is necessary for your Dana workstation.

Hold the “control” key on your keyboard, then click on the Application’s icon.

You will be presented with a contextual menu with several options.

Select “Open”.


Confirm App

After selecting “Open”, you will be presented with a dialog that will allow you to confirm this application to run.

This dialog will confirm the name of the application, and what application downloaded it and when.

If you are sure you would like to run this application, click “Open”.


Additional Information

Additional information about Gatekeeper can be found on Apple’s support website at:

Set Macintosh Screen Resolution for Projector


Click on the "Apple" menu, and select "System Preferences…"


Select "Displays" from the Hardware options.


(1) Be sure to select "Display" from the top menu options.
(2) FYI, you can disable screen "Mirroring" with this option.


800X600 is the default. Far too small.


(1) Select 1024×768 (70Hz, if given the option) to set the display to a more comfortable resolution.
If you have screen mirroring activated, this may distort the display on your main computer, but will look correct on the SmartBoard.
***PLEASE NOTE*** After making this change, you WILL have to re-calibrate your SmartBoard. This setting should be retained whenever you connect your projector, so you should not have to change this setting again.