8 Proven Ways to Troubleshoot Your ASUS Monitor’s ‘HDMI No Signal Issue

Effective Ways To Solve Asus Monitor HDMI No Signal Issue - Ready To DIY

At times, you may find that your ASUS monitor is not receiving a signal from the HDMI port, displaying an error message like “HDMI No Signal”. This can be frustrating, but several ways exist to troubleshoot and solve this issue. This article will walk you through various solutions to fix the ASUS Monitor HDMI No Signal problem.

5 Reasons Why HDMI No Signal Issue Occurs

The “HDMI No Signal” error simply means that your ASUS monitor is not receiving a signal from the HDMI source. So, in order to understand why Auss HDMI monitor not responding, read the reasons to why HDMI No Signal Issue occurs:

1: Weak Power Supply

It is worth mentioning that electronic devices need a smooth power flow in order to work perfectly. Therefore, if you come across an interrupted power supply, then it can harm your computer or PC. As cheap and low-quality cable is the major reason for the HDMI no signal error.

2: Damaged Cable

The damaged cable is yet another reason that HDMI shows no signal error. It is vital to mention that putting the wrong or invalid thread to the wrong port can badly damage the power supply capability of the cord.

3: Defected Display Port

A forced input, wrong insertion, and overheating or over powering can easily afect the display port, including the HDMI port. As a result, a lack of understanding of which port goes with which cable can lead to HDMI no signal issue.

4: Outdated Drivers

Outdated drivers is also one the main reasons that cause HDMI shows no response or error issue. Because outdated drivers can not match and easily detect with the new and latest monitor, they cannot send the signals correctly.

5: Hardware Problem

Issues like a loose connection, poor setup, and wrong placement can easily cause harm to your PC’s hardware, as your monitor can be faulty or even broken from the inside. Hardware such as video cards, OMOS, or even motherboards can be loose or broken, resulting in hardware not working properly and causing error issues.

How to Troubleshoot and Fix the “HDMI No Signal” Error? (8 Easy Ways)

Below are the ways to troubleshoot and fix the HDMI No Signal Error:

Way 1#: Power Cycle the Monitor

Bugs and glitches in the monitor’s firmware can harm your ASUS monitor and will be cause not to take inputs from the HDMI port. Therefore, sometimes power cycling the monitor can sort out the issue. Below are the steps to power cycle the monitor:

Step 1: First, just turn off the monitor by bypassing its power button. You can better shut down the PC aswell

power cycle Asus monitor

Step 2: Now, just make sure to unplug all the cables that are linked to the monitor including the power cord along with the HDMI cable

Step 3: Next, leave the display unit as it is for almost a minute and then plug back everything

Step 4: After that, just turn on the monitor and the computer

Way 2#: Check the Input Source

The latest monitors have several HDMI ports; therefore, it is easy for you to configure the monitor to select the correct HDMI port for the display signals input. However, a feature in modern monitors, including the ASUS, automatically detects or figures out the correct input souce. So, this feature is missing in the old version of the monitor. So, make sure to have the latest version to avoid such errors.

Below are the ways to check the input source:

Step 1: First, just press the Input select button, and then on some ASUS monitors, there is no dedicated input selection button, and it is integrated into the On-screen display (OSD) menu.

Step 2: Now, choose HDMI 1 and HDMI 2 as the correct input source, depending on the port you have utilized for the connection


Way 3#: Check the Connections

Sometimes the HDMI no signal issue occurs because of misconfigured or loose connections or faulty connectors. So, make sure to check out the connections well. Below are the steps to check the connections:

Step 1: First, just check out for bent or compromised ports or cables. As the HDMI connector has a 19-configuration so if these pins are not visible, then it can be the reason behind HDMI no signal errors

hdmi connector

Step 2: Now, on a computer with dedicated graphics, the video ports on the motherboard, including the HDMI ports, get automatically disabled. Therefore, you better connect the cable to the GPU’s HDMI port in order to make the display function normally

Step 3: Next, just disconnect the HDMI cables from the ports of your computer along with the monitor and then reconnect them safely and make sure that the connections are not loose


Step 4: Just try to make the connections via various ports in case there are0020many HDMI ports available

Step 5: Make sure to avoid using a display converter and directly connect the HDMI cable to the port without using the converter. So, if the display works properly, then understand the issue is with the converter

Step 6: Lastly, if the other display does not work well, the issue is with your ASUS monitor. Therefore, you must repair or replace the monitor in such situations

Way 4#: Configure Projection Settings

If you have connected your computer to an external or secondary monitor, you will get a message stating HDMI No Signal. So, in this case, the problem is with the projection settings. Below are the ways to configure projection settings:

Step 1: First, just press the Windows key + P on your keyboard as this will provide you with projections settings in order to select from

Step 2: Now, choose the duplicate or extend option as according to your choice. You have to quickly check the source computer’s contents on the ASUS monitor. So, if you select the Second Screen only option, then you will not be able to see the contents on your laptop screen.

projection settings

Way 5#: Update Display & Monitor Adapter Drivers

Drivers are accountable for creating communication between the monitor and your operating system. So, outdated and incompatible hardware can be the reason for creating the error issue. Some systems need modern and updated Graphic card drivers to support the latest monitors.

Below are the steps to update display & monitor adapter drivers:

Step 1: First, just press the Windows key and P key and then open the Device Manager

device manager

Step 2: Now, make sure to click on Display Adapter

display adapter drivers

Step 3: After that, right-click on the device driver and then choose Update driver

Step 4: Now, select the option; Search Automatically for the driver and then just follow the prompt

search automatically for graphic driver

Step 5: If this does not resolve the issue, go back to the Device Manager and update the device drivers under Monitors accordingly

update monitor drivers

Step 6: Once the update process is complete then, make sure to restart your device and check if the issue is resolved or not

You can try to manually update to the latest GPU driver by downloading the installer from the respective GPU manufacturer’s website. To do it so, follow the below steps:

Step 1: Make sure to connect the computer to the other monitor or can use a working video standard in order to make the connections

Step 2: Next, go to the driver download page of AMD or NVIDIA

download nvidia graphic drivers

Step 3: Now, check out the latest version of the graphic card driver for your specific system

geforce driver download

Step 4: Make sure to download the updated installer and then run it

Step 5: Lastly, just follow the on-screen instructions and ensure complete the update process. After that, restart the computer when finished.

Way 6#: Factory Reset the Monitor

If you are facing the HDMI no signal issue, you better try to factory reset the monitor in order to sort out the issues. Below are the steps to factory reset the monitor:

Step 1: First, just press the on-screen display menu button on the back of the monitor.

asus buttons

Step 2: Now, make sure to press the up and down button in order to navigate to the system setup section

Step 3: Next, just figure out all reset options and then choose it

all reset

Step 4: Lastly, choose Yes for the final confirmation option, as this will revert the setting of the monitor to the factory default.

Way 7#: Inspect the RAM Modules and Graphics Card

Sometimes it is also the HDMI no signal issue occurs when the memory modules or the graphic cards are not placed correctly in their place or slots. So, if the problem occurs, then you will get an update about the Power on Self Test (POST) error light codes on the motherboard or through startup beep sounds. So, make sure to inspect the RAM Modules and Graphics Card.

Below are the steps to reseat your RAM sticks:

Step 1:  First, just turn off the computer and then disconnect every cable that is connected to it

Step 2: Now, make sure to remove the covers of the CPU

back panel of a computer

Step 3: Now, locate the RAM Module

Step 4: Make sure to carefully apart both of the clips holding the module


Step 5: Now, remove the module from the place and clean them using a brush or a microfiber cloth.

Step 6: Reseat the memory module properly back to its place. If several RAM sticks exist, follow the same procedure and then reset them.

It is vital to mention that once you have inspected the RAM sticks move on to the Graphic cards section, then make sure that this process only applies to computers with dedicated GPU.


Step 1: Make sure to disconnect the power connectors for the graphic cards from the PSU

Step 2: Now, just remove the screws holding the graphics card in its place. Remember, these screws could be either inside or outside the computer’s case.


Step 3: Next, make sure to push the PCIe slot clips holding onto the Graphics card. After that, you will hear a clicky sound when the clips release the GPU

Step 4: So, now you can remove the GPU from its place


Step 5: Now, ensure to clean the graphics card using a microfiber cloth. Moreover, you better clean the PCLe place with a soft brush and compressed air


Step 6: Make sure to align it with the POle place on the PC’s case. After that, carefully place them down to its place unless you hear a click


Step 7: Now, reinstall back the screws to its original place and then plug in the power cables

Step 8: Lastly, gather the side panel and connect everything as previously. After that, check out in case the monitor works properly or not.

Way 8#: Update Monitor Firmware

Firmware is low-level software which is accountable for operating a hardware component. So, if a Monitor’s firmware is buggy, corrupted, or outdated, then it can cause various display-related issues. It is worth mentioning that ASUS releases normal updates for their Monitors in order to counter such firmware issues.

Solution #1: Create a Firmware Installation USB Drive

Step 1: To Create a Firmware Installation USB Drive, go to the ASUS official

Step 2: Now, enter the monitor’s model in the field. After that, your monitor’s picture will be displayed in the page.


Step 3: Now, click on driver and utility


Step 4: Next, go to the BIOS, Firmware section, and then download the firmware.

bios and firmware download

Step 5: Just make sure to plug in a FAT32 file system-based USB flash drive on your computer

extract firmware to usb

Step 6: Finally, go to the download directly and then extract the firmware file you downloaded before to the USB flash drive.

Solution #2: Update Monitor’s Firmware

It is worth mentioning that the firmware update process can differ from model to model. Therefore, we have just used the model PA32UC-K in this blog for demonstration purposes. Below are the steps to Update Monitor’s Firmware:

Step 1: First, plug in the flash drive in the monitor’s USB port and ensure the monitor is turn on

USB port in Asus monitor (2)

Step 2: Now, just press the two buttons in the above image

Step 3: Next, the firmware update process will start now

Step 4: So, when the process is complete, make sure to turn off the monitor and then turn on back

Step 5: Lastly, it is highly recommended you make sure to reset the monitor to factory default after the update

Frequently Asked Questions (FAQs)

Below are the Ways to Troubleshoot Your ASUS Monitor’s ‘HDMI No Signal Issue:

Q1: What does the “HDMI No Signal” error mean on my ASUS monitor?

Ans: The “HDMI No Signal” error indicates that your ASUS monitor is not receiving a signal from the device connected via the HDMI cable. This can be due to several reasons, such as an improper connection, a damaged HDMI cable, or the wrong input source being selected on the monitor.

Q2: I have checked my HDMI connection and it seems fine. What else can I do to resolve the “HDMI No Signal” error?

Ans: If you’ve confirmed that your HDMI cable connection is secure and the cable is not damaged, you can try other solutions. These include confirming the correct input source on your ASUS monitor, power cycling your monitor, resetting your monitor to factory settings, or updating your GPU drivers.

Q3: How do I reset my ASUS monitor to its factory settings?

Ans: The process to reset your ASUS monitor to factory settings varies by model, but generally, you can find the option in the on-screen menu. Remember, resetting your monitor will revert all settings to their default, so any custom settings you had previously set will be lost.

Q4: How do I update my GPU drivers to potentially fix the “HDMI No Signal” error?

Ans: You can update your GPU drivers through the Device Manager on your computer. Expand the “Display adapters” category, right-click your graphics card, and select “Update Driver”. Follow the prompts to search for and install any available updates.

Q5: I’m experiencing the “HDMI No Signal” issue with a secondary monitor. How can I fix this?

Ans: If your second monitor is not receiving an HDMI signal, first verify the monitor’s functionality by testing it with another computer or a different cable. If the monitor works with other devices, you may need to check your BIOS settings or update your drivers.

Q6: How can I adjust my BIOS settings for a dual-monitor setup?

Ans: You can access your BIOS settings during startup by pressing the appropriate key (usually F2, F10, or Del). In the BIOS, make sure the multiple display function is enabled. If you are not confident adjusting BIOS settings, consult your motherboard’s manual or contact ASUS support.

Q7: Can the Power Supply Cause No Signal to Monitor?

Ans: A weak power supply can result in no signal to monitor. It is worth noticing that the monitor can not get enough HDMI signal to a process and perform without proper power flow.

Q8: What to Do if Your Computer Does Not Recognize An HDMI Monitor?

Ans: You better should try to unplug and plug back the HDMI cable to the port. Make sure to also try disconnecting your devices from the power source.

Q9: Why is My HDMI Monitor Not Working on Windows 10?

Ans: The reason why HDMI Monitor Not Working on Windows 10 can be your multimedia interface or the resolution of your graphics card as it is not similar to your monitor’s resolution, or your HDMI cable is damaged.

Q10: How Do You Fix the HDMI Port on Your ASUS Monitor?

Ans: To fix the HDMI Port on Your ASUS Monito, check out your HDMI port carefully. If it has a bend or crack damage, try to repair it at the service center. Also, make sure to clean the dirt and dust inside the HDMI connection well and then connect it back with a new cable.

Q11: Why Does Your Asus Laptop Screen Keep Going Black?

Ans: It can happen because of a faulty graphics driver. So, try to update your graphics along with other drivers. Device drivers. If required, you should reset the drivers, especially the graphics driver.

Q12: How Do You Connect Your Asus Monitor To Your Computer?

Ans: You need a good DisplayPort cable or HDMI cable to connect the devices. Connect one end of the line to the monitor’s port and the other end to your PC’s port accurately and adequately without any force.

Q13: Why does my Asus monitor say Display Port has no signal?

Ans: The reason can be your graphics card does not support Display Port. So, check out that your graphics card supports Display Port and your cable is compatible.

Q14: How do I know if my HDMI is faulty?

Ans: To know why your HDMI is faulty, check out in order to see if the image changes when you move your head or if the image disappears and reappears when you change your angle..


The “HDMI No Signal” issue on an ASUS monitor can be frustrating, but the solutions outlined in this article should help you troubleshoot and resolve the problem. Whether it’s as simple as checking your HDMI cable and input source, power cycling your monitor, or updating your GPU and chipset drivers, one of these methods will likely fix the issue.

If all else fails, contacting ASUS support or a professional technician can be a good next step. Always remember, before making any significant changes to your system, especially in the BIOS, to ensure you clearly understand the process or consult a professional to avoid any potential damage to your system.




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