Why is my screen black when switching HDMI?

Problem 1: Black screen (no picture at all).

Possible causes: Bad cable or cable that's too long, causing either the video signals or EDID/HDCP control signals not to be transmitted properly. Make sure that you use quality, high-speed HDMI® cables—they don't even have to be expensive ones—or try an HDMI extender.

Why is my screen black after connecting HDMI?

Black screen with HDMI connection

Make sure that the HDMI cable fits firmly into the TV's HDMI port. Try a different HDMI input, for example, HDMI 1 or HDMI 2. Use a compatible HDMI extension cable. Note: For Chromecast with Google TV (4K), the extension cable must support 4K and HDMI 2.0.

Why does my screen go black for a second display port?

The most common cause of a second monitor going black is interference with the connection, such as a faulty cable, damaged adapter, or wrong input signal.

Can HDMI cable cause blackouts?

An image that cuts out can also be caused by a dodgy HDMI cable. This could result in no image at all being seen on screen (a problem that's hard to miss) or as periodic “blackouts” where the screen goes completely black and then comes back again.

What are the symptoms of a bad HDMI cable?

Signs of a Bad HDMI Cable

The images could simply be fuzzy, or you may see no picture at all. Another sign of bad cables could be weird color. Experiencing muffled or no sound is also a common problems of a bad HDMI wire. In general, if you are experiencing any quality issues with your cable, it may have gone bad.

My second monitor is working but black screen(HDMI)

What are the signs of a bad HDMI port?

Why is my screen black when I connect a second monitor?

The problem is likely either due to software (i.e. the app you're using or display drivers), or there's an issue with the physical connection. Make sure the second monitor is plugged in and turned on, then restart the computer.

Why does my screen go black when I connect to monitor?

Loose or improper connections

Another reason for a black screen is the computer isn't communicating with the monitor properly because of loose or improper cable connections. The following steps help you ensure the monitor is connected correctly to the computer.

What's better HDMI or DisplayPort?

Laptop dock with multiple monitors: DisplayPort is the better option for two or more external screens. HDMI is usually sufficient for a single screen. Workstation with three or more displays: DisplayPort is the better option because it may be the only way to connect all those screens to your device.

What causes HDMI dropouts?

If the source is giving the incorrect resolution and is too high for the screen to handle, you're likely to experience signal drop out or no display atall. So if you drop down the resolution on the source, this may then give you the image on the screen.

How do I fix my HDMI glitch?

Ensure all HDMI connections are firmly connected. Loose connections can cause intermittent video problems. Try moving your Control Center to another port on your TV/AVR/Soundbar. Swap the HDMI cable that connects your Control Center to your TV/AVR/Soundbar with a high speed 18Gbps HDMI cable.

Is it OK to use DisplayPort to HDMI?

The answer is yes and no. For the record the Display Port signal is not compatible with HDMI. If the DisplayPort output is a Dual mode DisplayPort then it has the ability to recognize and adjust the signal to HDMI when a passive adapter cable is connected.

Should you convert HDMI to DisplayPort?

Connecting HDMI to DisplayPort is a useful trick to connect an HDMI-compatible device to a DisplayPort-compatible device, being that you can hook up a PC to a television, or a newer graphics using DP card to an older monitor which uses HDMI.

Can I use HDMI and DisplayPort at the same time?

With HDMI, each monitor needs an HDMI cable to your PC. You can freely combine HDMI, DisplayPort, and DVI. One monitor can be HDMI, the other DisplayPort and so forth. Video connections are one thing, but remember your extra monitors won't run themselves.

How do I get rid of a black screen on my monitor?

Why is my monitor stuck on black screen?

A black screen error is often caused by a software glitch. This most frequently occurs when dealing with a program that takes over your entire screen. Typical culprits are PC games or media players running in full-screen mode. In these instances, the computer should otherwise appear to run well.

Why is my monitor not displaying anything?

The primary reason you get no display on your PC could be damaged or loosely connected cables. Other reasons may include incorrect display configuration, faulty or problematic GPU or RAM, incorrect BIOS configuration, faulty peripheral devices, or damaged PSU (Power Supply Unit).

Why is my second monitor detected but will not display?

Check/Solution 1: Change the Dual Monitor's Display Settings

Under the Display Settings section, you will find the option that says, Rearrange your displays. Click on it, and then click on the Detect button. Once you click on the detect button, your 2nd monitor will automatically start to work normally.

Why does one monitor go black when playing video?

What Causes Black Screen When Playing Videos? The corrupted file is the main reason that the windows screen turns black. A variety of factors can cause the issue. This includes header issues, video file transfer errors, issues with the video's codecs, and the list goes on.

Why does my monitor say no signal when HDMI is plugged in?

Why does my HDMI 2 say "no signal?" Typically, a monitor displays a message "no signal error" when there's a problem such as a loose cable, loose connections, or a problem with the input device.

How do I test my HDMI port?

Does it matter what HDMI cable you use?

If you bought a 4K TV with a true 120Hz refresh rate, like for use with a PlayStation 5 or Xbox Series X, you should move up to an Ultra High Speed HDMI cable. If you attach a gaming PC capable of gaming at 4K/60fps to your TV, you'll need an HDMI cable that can handle that level of data transmission.

Why is my PC not displaying HDMI?

The PC HDMI not working issue can also occur due to improper bootup error with the devices. If your system or HDMI device doesn?t boot properly and results in error, you may face issues with the video or audio output. You can try rebooting your laptop or PC and re-plug your devices with HDMI.

Why won t my DisplayPort to HDMI work?

Checking your display settings can be a helpful step in getting your DisplayPort to HDMI connection working properly. Your monitor or TV might have different input sources, and it's possible that the input source is not set to the correct one. Also, the resolution and refresh rate settings might not be set correctly.