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Check display support

MBS is one of the few government-authorized Apple Premier Partners in the country, facilitating solutions for Mobile, Production and Research Facilities since 1990. Transcend provides a range of Apple solutions for upgrading your Mac® computers. The JetDrive™ series is an SSD upgrade solution for those who want to replace the native SSD inside their Mac. The JetDrive™ Lite is a series of expansion cards that can be inserted constantly in the memory card slot for instant use.

You can connect one or more external displays depending on your Mac model. To find out how many external displays your Mac supports, check its technical specifications:

1. Choose Apple menu  > About This Mac.
2. Click the Support tab.
3. Click Specifications.
4. On the webpage that appears, the number of displays your Mac supports appears under Video Support or Graphics.

If you're using a Mac with Apple silicon, you can connect a single external display to your Mac using one of the Thunderbolt / USB 4 ports. Docks don't increase the number of displays you can connect as an extended desktop. On Mac mini (M1, 2020), you can connect a second display to the HDMI port.

Connect your display

Connect your display to power, then connect your display to your Mac. Check the ports on your Mac to find out whether you need an adapter.

Change display options

After you connect your display, you can choose to extend your desktop or mirror your displays.

Use extended desktop mode

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1. Choose Apple menu  > System Preferences, then click Displays.
2. Click the Arrangement tab.
3. Make sure that the Mirror Displays checkbox isn’t selected.
   
4. Arrange your displays to match the setup on your desk. To change the position of a display, drag it to the desired position. A red border appears around the display as it's moved.
5. To set a different display as the primary display, drag the menu bar to the other display. The primary display is where your desktop icons and app windows first appear.
   

Mirror your displays

1. Make sure that your external display is turned on and connected to your Mac.
2. Choose Apple menu  > System Preferences, click Displays, then click the Arrangement tab.
   
3. Make sure that the Mirror Displays checkbox is selected.
   

Use AirPlay

With Apple TV, you can use your TV as a separate display for your Mac. Learn how to use AirPlay to mirror or extend your Mac display.

Learn more

Apple published a support article with solutions for an issue blocking macOS devices from connecting to CIFS/SMBv1 network shares hosted on Windows servers when using NTLM user credentials.

macOS users who attempt to access a CIFS or SMBv1 network share from a Windows device after installing a Windows update from June 11, would get the following error:

There was a problem connecting to the server '{Server Host Name}'. Check the server name or IP address, and then try again. If you continue to have problems, contact your system administrator.

The list of affected Windows platforms is quite long, with both impacted client and server Windows versions being listed in the table below.

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Microsoft lists this known issue as resolved, with detailed solutions to be followed being provided by Apple on its support website.

Apple's solutions to inaccessible SMBv1 shares

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'macOS Mojave and earlier might not be able to use NTLM credentials to connect to CIFS or SMB1 shares on a server that has received Microsoft Windows Server updates from 11 June 2019 or later,' Apple describes the issue.

'After entering your user name and password, an alert says that there was a problem connecting to the server, and to check the server name or IP address and then try again.'

Users who are certain that the NTLM credentials they used to log into the network share are correct can use one of the following solutions to connect:

• Connect to the server using Kerberos authentication, which requires that you use the DNS name of the share instead of its IP address.
• If your Mac is using macOS Mojave, High Sierra, Sierra, El Capitan, or Yosemite, use SMB 2 or SMB 3 to connect to the server, such as by choosing Go > Connect to Server from the Finder menu bar, then entering an smb:// address for the server.
• Enable server message block (SMB) signing on the server. On an SMB1 server, enabling signing can decrease performance.