HDMI which stands for High Definition Multimedia Interface is an audio/video interface that can be used to interconnect various multimedia devices. One of the common use for HDMI is when a CPU is connected to a monitor and a projector. Aside from that, it can also be used in connecting Blu-ray players and laptops to televisions as well as monitors.
One of the main advantages of using HDMI is that it can transmit both audio and video at high qualities such as 4K using only a single connection. However, you may also experience some issues in using it every now and then and one of them is when you find that after connecting the devices using the HDMI port, the screen appears to be black and there is no audio output. In such cases, there are a variety of hardware malfunctions that could be causing the problem with the HDMI connectivity. Although there a lot of potential causes, there are also potential fixes you can try to fix the problem.
Before you troubleshoot the HDMI Port problem, you might want to perform System Restore first as it might help you in fixing the problem. It could be that you’ve made some changes in some of the settings in your computer that triggered the problem. Thus, you can try run System Restore to undo them, refer to these steps:
- First, press the Win + R keys to open the Run dialog box.
- After that, type in “sysdm.cpl” in the field and tap Enter.
- Next, go to the System Protection tab then click the System Restore button. This will open a new window where you have to select your preferred System Restore point.
- After that, follow the on-screen instructions to finish the process and then restart your computer and check if the Stop error is fixed or not.
If the problem still persists after System Restore, then follow the given options below to further troubleshoot the problem.
Option 1 – Try to physically check the hardware of your computer
The first thing you can do is to check the physical status of the hardware in your computer. You can clean the dust off the hardware components like the Network Card or Graphics Card of the computer. You might want to use a small blower or you could also use a soft cloth and run the components gently. Make sure that you don’t damage any parts with moisture or cause harm to any circuits while you carry out this task.
Option 2 – Run the Video Playback troubleshooter
You might also want to run the Video Playback troubleshooter. To do so, refer to these steps:
- First, open the Windows settings app.
- Then navigate to Update & Security > Troubleshoot.
- From there, scroll down until you see the Video Playback section and click on it.
- After that, you’ll see the Run the troubleshooter button, click on it to run the Video Playback troubleshooter, and follow the next on-screen instructions.
On other hand, you can also run the Hardware and Device troubleshooter if the Video Playback troubleshooter wasn’t able to fix the problem. You can run it from the same page that you run the Video Playback troubleshooter.
Option 3 – Try to rollback, update, or disable the Graphics card drivers
To fix the problem with the HDMI port, you can either roll back, update or disable them depending on your preference in order to resolve the problem.
- First, boot your computer into Safe Mode.
- After that, tap the Win + R keys to launch Run.
- Type in devmgmt.msc into the box and tap Enter or click OK to open the Device Manager.
- After that, a list of device drivers will be displayed. From there, look for the Display Adapters and click on them.
- After that, right-click on each entry under the Display Adapters. Note that the rollback option is only available if the update was recent. So if it isn’t there, just click on the Update Driver option.
- From there, Windows will automatically check for problems and update the Graphics card drivers.
- Now restart your computer.
- After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.
Note: You also have the option to go directly to the website of your graphics card manufacturers like NVIDIA, Intel, or AMD and go to the section called Drivers then check if there’s a new available update – if there is, download and install it.
Option 4 – Try to reset the Monitor
You could also try resetting the monitor or television using its hardware keys and see if it can resolve the problem. You can just refer to your TV or monitor’s guide for more information on how to reset them.
Option 5 – Try some miscellaneous fixes
Apart from the four given options above, you can also check out some miscellaneous fixes to fix the HDMI connectivity issue and here they are:
- You can try to plug out the HDMI cord/cable from both source and destination and then plug it back in after a couple of minutes.
- You can also check if the HDMI cable you are using is still in working condition.
- You can also try to change the source and the destination of the video and see if either one of them is in a non-workable state.
- Try checking if your settings are how they should be as intended in the “Project my screen” option by tapping the Win + P key combination on your keyboard.
