After a temporary absence, the HDMI port has made a comeback in the latest MacBook Pro. In addition, the Mac Mini and Mac Ultra models are also equipped with HDMI ports, allowing users to easily connect their devices to monitors or projectors. However, encountering issues with the HDMI port on your Mac can be quite frustrating.

Below are some effective methods to resolve the HDMI not working issue on your MacBook. This problem is commonly encountered by Mac users, so follow these troubleshooting steps if you frequently or occasionally encounter this issue.

“Learn How to Restart Mac OS Without a Reinstallation”

Many Mac users find it convenient to keep their devices in sleep mode, allowing for instant access and minimal waiting time. This allows them to quickly resume their work or resume watching a movie from where they left off. However, rebooting your Mac on occasion can effectively address common issues such as HDMI not functioning properly.

Step 1: Click on the Apple icon in the top-left corner.

Step 2: Select Restart from the drop-down menu.

Verify the Appropriateness of Your Device’s Cable and Adapter

Please ensure that the HDMI cable is thoroughly examined for any loose connections or physical damage. Any such issues can prevent the transmission of video and audio data to the connected display or device. If this is the case, it is necessary to replace the HDMI cable with a new one.

To ensure optimal performance of your Mac, it is important to regularly check and clean the HDMI port for any dust or debris. However, it is advisable to avoid using cotton swabs or any materials that may leave fabric lint in the connection port.

Opt for a Non-Standard Port Where Possible

Connect Your Mac to an External Display

While HDMI is a popular choice for connecting your Mac to an external display, it is not the only option available. If your device has a DisplayPort, you can opt for a USB-C to DisplayPort cable as a reliable alternative. This solution not only serves as a neat alternative to HDMI but also comes in handy if your MacBook lacks an HDMI port.

Connect the Internet to Your TV With an Adapter

If the HDMI port on your MacBook is not functioning properly, it is recommended to purchase a new adapter. A dedicated multi-port adapter will provide additional USB ports, Ethernet connectivity, and HDMI ports for your MacBook. This accessory is essential for MacBook Air users, especially since the latest models only feature USB Type-C ports.

To mirror or extend the display of your MacBook to compatible devices, follow these steps.

1. Step 1: Press the Command + Space keys and type System Settings into the Spotlight Search box above, then press Enter.

1. Step 2: Navigate to the “Displays” section in the left panel.
2. Click on the plus (+) icon located in the right panel.

1. Step 3:

Select the desired device from the drop-down menu.

Please note that the wireless display mirroring feature of your MacBook is only available for devices that support AirPlay.

Are Your Social Media App Privacy Settings Up-to-Date?

To utilize a new HDMI adapter with your Mac, it is necessary to modify the privacy settings to ensure proper functioning of this functionality.

1. Click on the spotlight search icon (Command + Space)
2. Type “System Settings” into the search box
3. Press Enter to open the System Settings

Step 2: Navigate to the “Privacy & Security” section in the left pane of the System Settings window.

1. Step 3:

In the right pane, scroll down to the Security section and select the Automatically When Unlocked option from the Allow accessories to connect menu below.

Maintain Optimal Performance By Making Sure MacBook is Fully Charged

If you connect your MacBook to an external display using HDMI and then close the lid, it is important to ensure that your MacBook is being charged. Failure to do so will result in a black screen on the connected device.

How to Restore an Intel-Equipped Mac to Factory Settings

One effective method for addressing common issues on Mac computers with Intel processors is to reset the System Management Controller (SMC). However, it’s important to note that this procedure is not applicable to newer Macs equipped with Apple M-series chips. In such cases, a simple restart is sufficient.

To reset the SMC on a Mac with an Intel processor, follow these steps:

1. Shut down your Mac completely.
2. Unplug the power cord from your Mac and wait for 15 seconds.
3. Plug the power cord back in.
4. Press the power button on your Mac to turn it on.

After following these steps, your SMC should be successfully reset.

Step 1: Power Off your Mac and plug it into a power source.

1. Step 2: Continue holding the Shift + Option + Control keys and the power button.

Step 3: To proceed, release all keys and power on your Mac.

How to Adjust Display Resolution on Your Computer

If your Mac is unable to connect to an external display, it may be due to an incompatible resolution setting. Follow the steps below to verify and adjust the resolution setting.

1. Press Command + Space keys simultaneously
2. Type System Settings in the search bar
3. Press Enter to open the System Settings window

Step 2: Navigate to the Displays option in the left panel. Select the desired screen size and resolution for the external display from the right panel, and then attempt the task once more.

Note: Using a scaled resolution may impact the performance of your Mac.

Upgrade Mac OS X to Most Recent Release

To troubleshoot HDMI connection issues, ensure that your macOS version is up to date. In the event of an outdated version, you can follow the steps provided below to install the latest update of macOS if it is available.

1. Step 1: Press the “Command + Space” keys and type “System Settings” into the Spotlight Search box above.
2. Press “Enter” to open the System Settings.

Step 2: Navigate to the “General” settings option in the left pane, and select the “Software Update” menu in the right pane.

To resolve the HDMI connection issue on your macOS system, kindly follow the steps provided below:

1. Download any available macOS updates from the official Apple website.
2. Install the downloaded updates on your computer.
3. Once the installation is complete, proceed to restart your system.
4. After rebooting, properly check if the HDMI connection issue has been successfully resolved.

By following these instructions, you should be able to address the HDMI connection issue on your macOS device.

It can be quite frustrating to encounter a malfunctioning HDMI port during a presentation on your Mac, necessitating the connection to an external display. However, there are a few potential solutions outlined above that may efficiently address this issue and enable you to flawlessly deliver your presentation.

For more information, please refer to our step-by-step guide on how to reset your MacBook Air or MacBook Pro to factory settings.