The computer does not see the TV via hdmi - what is the reason?

To modern TVs, almost any of the models on the market can connect a desktop computer or laptop. Two devices are connected using an hdmi cable. There is practically no difficulty in connecting, but it happens that the computer does not see the TV through the connection using the hdmi cable or there is no sound. There are several reasons for this problem. Information about them and how to solve each is described in this article.

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Possible reasons why the PC cannot find the TV

Basically, on all modern TVs of the most popular companies (Samsung, Sony, Lg, Philips, Bravia), video cards that support HDMI are installed. Sometimes users have a problem with synchronizing two devices when using an hdmi cable.

The main reasons are:

• The HDMI cable is defective, damaged or you connected it incorrectly.
• The PC or laptop cannot detect the TV device.
• Interface ports are broken.
• The TV device does not support this connection option.
• There are no video card drivers.

It is necessary to understand the causes of the problem in stages.

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Hdmi cable check

First, check if your hdmi cable is working, if there is a factory defect on it. To do this, connect the cord to another technique and check if it works. If so, then the problem must be sought further, diagnose the TV device to identify the same signals.

Important! Also double-check that you have properly connected the cord.

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Signal Test

Select the input button on the remote control. Its name is different based on the brand of the TV. May be called “Source”, “Input”, “HDMI”.

Next, the display will show a menu where the active inputs will be visible. Select the one to which you connected the cord from the computer, and press “ENTER” or “OK”.

If the computer does not find the TV, then you need to check the additional settings:

1. Mouse over the PC desktop.
2. Click on the right mouse button.
3. Find “Screen Resolution” or “Graphics Specifications”. The name depends on the Windows operating system used on your device.
4. Select the option that duplicates the display.

Important! If you press the F4 and Fm keys together several times on the keyboard, then you can choose the option that you need. And the computer will see your telly.

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Connection ports are damaged

The connectors can be damaged or burned when voltage jumps, which happens, unfortunately, quite often.

Important! Be sure to unplug the device when connecting the cable.

Sometimes it happens that the video card that is installed on the TV device does not have additional power. Unfortunately, without it, connecting your devices to each other will not work.

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Drivers and graphics card

First you need to check which driver versions are installed on the video card. To do this, open the “Device Manager” on your PC. If the software is out of date, the device will not see the TV.

Nothing wrong with that.You just need to visit the manufacturer’s website and download new “firewood”. You can establish the necessary connection when the video card is updated.

Important! The cause of the problem may be viruses that “infect” the operating system on your computer. Scan the system and make sure that this is not your option. If malware is detected, then first get rid of it with an antivirus program.

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Trouble-shooting

If you could find the reason why the image from the computer is not displayed on the TV, then the troubleshooting procedure looks like this:

1. Check that the cable and connectors are correctly connected and in good condition.
2. See the correct PC system settings.
3. Check if the drivers of the video card are updated, as well as its settings.
4. Turn on your antivirus program and scan your device for viruses.
5. Pay attention to the status of the multimedia ports.

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Signal Test

If after you have tried all the above tips, you have not achieved a positive result, that is, as before, there is no signal when connecting the computer to the TV, use other connection methods.

Try the empirical option, for this:

1. Determine which connectors and connectivity options your devices have.
2. Unplug household appliances.
3. Use a proven HDMI cable to connect your PC to the TV.
4. Turn on the TV device and configure its connection to the computer using the remote control.
5. Activate the PC. The same image that appears when the OS boots up should appear on the TV display.
6. If there is no signal, then you need to go to the “Device Manager” and see which of the active connections are.
7. If you can establish a connection via VGA, then you need to connect a similar cable to the equipment.
8. Make the same settings as with HDMI, only on the remote control select the “VGA” button.

If after the manipulations your equipment did not begin to work together, most likely there was some kind of breakdown inside one of the devices. In this case, it is best to contact a specialist who will fix the problem.

Modern technologies give us the opportunity to watch videos and photos on large TV displays. Connection is easy and fast. If problems nevertheless arose, then our information from this article should help you solve them. Do not forget that the elimination of serious damage is best left to highly qualified specialists. If you still doubt whether you are doing everything right or not, then use the visual step-by-step master class from the proposed video.