How to check the hdmi connector on a laptop. HDMI does not work on a laptop
- The laptop is connected to the TV, but instead of a video or image displays a blank working screen
- The laptop shows the connection, but the TV does not show the monitor screen
- The picture is transmitted from the laptop to the TV, but the sound still goes through the computer
- If the laptop and the TV does not react to the connection via HDMI
- HDMI does not work on a laptop - we are looking for reasons
Before the HDMI port conquered the world, people actively used the VGA and DVI capabilities. Today, you can hardly find a modern computer or laptop without HDMI, which not only transmits video or images to a large crane, but also provides the user with high-quality sound. If the HDMI on your laptop does not work, you can try to eliminate the trouble yourself. To get rid of the problem, you need to start to find out its nature:
The laptop is connected to the TV, but instead of a video or image displays a blank working screen
In this situation, the problem lies in the settings, but does not mean that your laptop has a problematic HDMI connector or the wire does not work correctly. The fact is that when you connect a TV to a PC, it becomes its extension, or rather it acts as an auxiliary area of the desktop. To check this, you can try to just move one of the windows on the sides. It should be displayed on the TV screen. If you want HDMI to work like a clock, you need to turn on dubbing mode using special settings:
- Move the mouse cursor to the free part of the working screen and right-click on it.
- On the working field with the drop-down list, find the column "Screen resolution" or "Crane settings".
- The system should automatically find the TV display. If this does not happen, use the discovery command.
- Next, you will need to find a menu called “Multiple Displays” and apply the “Duplicate these screens” command to it.
The laptop shows the connection, but the TV does not show the monitor screen
The first thing that should interest you is the reliability of the connection between the TV and the laptop. If the HDMI wire, or rather its connector, dangles in one of the working jacks, the device may not cope with its duties. Sometimes damage and kinks cause problems. To cope with this problem can only replace the HDMI cable. If you have been using its services for a long time, this is quite normal. However, the new HDMI cable should not bring such troubles to its owners, so you can safely complain to the seller.
By the way, a lot also depends on the choice of the connection jack to the TV. Some models are equipped with several such connectors. Be sure to test each of them. The default settings may allow reception of a signal of only one connector.
The picture is transmitted from the laptop to the TV, but the sound still goes through the computer
If you dig a little in the settings, the problem will be solved by itself and without the help of experts. You will need to set the right direction. beep sound . To do this, use the step by step instructions:
If the laptop and the TV does not react to the connection via HDMI
Unfortunately, the HDMI ports in a laptop or on a TV also cannot boast a long service life. Most often, they burn out due to power surges or incorrect use. HDMI wires . Misuse is understood to imply a violation of safety or contamination of the inside of the socket.
To find out the source of faults, you need to try to connect another TV or monitor to your laptop. If everything works correctly, and with the wire, and with the computer there are no problems. "Treat" will have a TV or buy a new one. Otherwise, do not try to replace the HDMI jack yourself. Entrust this business to professionals from a specialized service center.
Greetings to all! Not so long ago I ran into problems on one laptop. The client claimed that HDMI was not working on his laptop, which is rather strange, the rest works without problems. Actually, therefore, I decided to write a small note with possible reasons loss of signal from the HDMI port.
In my note, I will not describe the problems with Windows XP, because I think that it is already morally obsolete and I see no reason to solve problems that simply do not exist in modern operating systems.
First, let's consider what the HDMI port on a laptop is and what it is used for. Unlike VGA and DVI (analog and digital), HDMI transmits not only video, but also sound. Therefore, you can connect the TV to the laptop with just one cable, and on the TV there will be video from the laptop, as well as sound. At the beginning of the journey HDMI interface Not all video cards had a built-in digital sound card, which created some problems with audio output via HDMI, but now these problems no longer exist.
To connect a laptop to the TV you just need to connect them with an HDMI cable. Usually this is enough - the laptop screen will expand on the TV. Quite often, people think that the TV will duplicate the laptop monitor, and believe that the cable does not work only because only the desktop wallpaper is displayed on the TV.
HDMI does not work on a laptop - we are looking for reasons
The first thing you should pay attention to is the reliability of the connection. It is possible that HDMI cable dangles in the nest, which is unacceptable. Also, problems are possible in the cable, in these cases everything is checked by replacing the cable with a new one - if the problem persists, then the cable has nothing to do with it, we are looking for a malfunction further.
The second and most common reason is the wrong incoming port on the TV. For example, I have several HDMI ports on my LG TV, so it’s important to set the correct input source in the TV settings, otherwise you will not see pictures on the TV screen.
Just check which port you inserted the HDMI cable, and select it from the TV's signal source.
If there is no sound, then you need to choose through which device to output sound to the TV. The fact is that in the laptop there is also a regular sound card to which you connect speakers or headphones with a microphone, and we need to send sound to HDMI, I touched on this topic.
It happens that they connect via a DVI-HDMI adapter, while I said that the sound will not be transmitted to the TV. For these cases, you need to use a special adapter that has both DVI video input and audio input. Otherwise, no sound, unless you separately connect it to the TV.
PS Of course, there are still a thousand reasons why HDMI does not work on a laptop, but we considered the most common ones. In fact, if everything is all right with a laptop and TVs, there can be no connection difficulties.
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Detailed description
The problem in which the computer does not see the TV through hdmi , and at the same time, the message No signal appears on the TV screen, may have several reasons.
SETTING THE HDMI CONNECTOR ON THE TV . Often, for one reason or another, the signal may disappear due to incorrect selection of the connector on the TV. If the TV has several hdmi ports, it is possible that another source is mistakenly selected - another connector. In this case, using the remote control, try turning on each of the rams. Perhaps this will be enough for the signal to appear.
CHECK CONNECTIONS FOR CABLES . One of the reasons for this error is incorrect or incorrect connection of the cable to the corresponding hdmi connectors . In this case, it is worth checking the reliability of the connections from both ends of the devices.
PROBLEMS WITH EQUIPMENT . During the operation of the computer, it is possible the technical malfunction of the transmitting video device - video card. Perhaps over time, the device has become unusable. By the way, here you can note and not so frightening moment ...
VERIFICATION OF VIDEO CARDS . Maybe the video card just disconnected from the motherboard. In this case, you need to check the reliability of its attachment to the board. Important! Work should be carried out only if the power is completely turned off: you must unplug the power cord and disconnect all cables from the video card.
HDMI cable is out of order . Alternatively, try to connect another (serviceable) cable.
TV DOES NOT SUPPORT HDMI . Generally, if the hdmi connector is present on the TV, then it is supported. However, this problem may occur in cases where, for example, on the device the screen resolution is not supported by the TV. There is no reliable data on this error, but as a topic for reflection, this option can be noted.