Whether you’re trying toset up multiple monitorsor use anexternal display for your laptop, the “No HDMI signal” error might pop up. This message could indicateissues witheither of your devices(source or destination).

You could also experience it due to incorrect source/projection settings, outdated drivers/firmware, or damaged components. But before diving into the related fixes, we recommend checking the loose connections first andtry replugging the HDMI cable.

Adjusting the correct input source is an important thing to consider. If you’ve plugged in your HDMI cable to one port and set the input source to another, your monitor won’t display anything or will likely throw the “No HDMI Signal” error. Here’s a quick workaround to this problem:

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Change Projection Setting

If you get the “No HDMI signal” error after connecting your laptop to an external monitor, there may be an issue with the projection setting.

There are four different options available – PC Screen Only, Duplicate, Extend, and Secondary Screen Only. While the latter three options will cast your laptop content, the first one will not send an HDMI signal to the external display. Here’s a simple guide to changing the projection setting to fix this problem:

Power Cycle Your Monitor

Sometimes, the bugs and glitches within your monitor could interfere with the HDMI signals. In such a scenario, performing a power cycle (turning the monitor on and off) will reset the configuration parameters, which might fix the error.

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Here’s how you may do this the right way:

Try Using Another HDMI Port or Cable

Damaged ports and cables could be the other reason you’re facing a signal problem on your device. To identify whetherHDMI is working or not,check for bent/broken ports and cables.

You may even plug in another HDMI device on the port to identify if it has some sort of issue. Likewise, you may try a spare cable to find out if the former one was faulty. If you encounter any problems with the HDMI cable, kindly replace it with a new one.

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Well, you may even get aSyncwire HDMI cablefor better durability and flawless transmission. Thanks to its metal construction, the cable won’t get damaged even after being bent over 3000 times.

Check Problem in Another Monitor

Another method to solve the “No HDMI signal” is to check the issue on another working monitor. This is to identify whether any components of your display device are damaged.

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