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Home»Monitors»6 Ways to Fix Acer Monitor No Signal Issue?

6 Ways to Fix Acer Monitor No Signal Issue?

Deep ShresthaBy Deep ShresthaSeptember 14, 2022
Acer monitor no signal

Connecting a monitor to a computer is fairly easy. You plug the monitor into the motherboard and connect the power supply. Pretty simple right? Well, if you do not have the right cable or monitor input settings are incorrect, your monitor may not get any signal from the system. 

On your Acer monitor, Removing and reconnecting all the monitor cables should fix the no signal issue. However, if the problem is due to a corrupted driver or system files, you may also need to perform some OS fixes. 

Below, we have explained a few of the common and probable reasons you are getting no signal on your monitor, along with a detailed guide on fixing those complications.

Table of Contents

  • Why is My Acer Monitor Displaying No Signal?
  • How to Fix Acer Monitor That Displays No Signal?
    • Adjust Monitor Input Settings
    • Check Memory Modules
    • Check the Graphics Card
    • Check Power Supply to the GPU and the Motherboard
    • Change Display Cable
    • Factory Reset Monitor

Why is My Acer Monitor Displaying No Signal?

When the monitor does not receive any signal to its input port, you get the No Signal error message on the monitor. This can mean anything from a faulty cable to the graphics card/motherboard not sending any data.

Below we have mentioned the most probable reason you are getting No signal on your Acer monitor.
  • Wrong monitor input settings
  • Faulty display cable
  • Mismatched cable version
  • PC not detecting the graphics card
  • Physical damage to the monitor
  • iGPU disabled from BIOS

How to Fix Acer Monitor That Displays No Signal?

Before we start, check the monitor on another system. If it works, the issue is likely with the system. You can also use another monitor on your PC to check. If the monitor function smoothly, the issue is with the monitor.

Another way to troubleshoot the monitor is by getting into BIOS. If you can get into BIOS and see its configurations, the problem is with the system files or the OS. If the monitor does not display anything from the start, the issue is probably with the connection.

To check the connection, make sure that all the cables are not damaged and is connected to the monitor.

Now that everything is secured and you know the monitor and system both are functional but you are still not getting any signal, you can try the following instruction to fix the issue.

Adjust Monitor Input Settings

acer monitor input mode

Any monitor, including Acer, has the option to select the default display input port. When the monitor is trying to receive data from a different port than the currently connected one, there won’t be any data to display on the screen. To fix this, you must set the correct input port in your monitor’s configuration.

For example, if you are using HDMI to connect the monitor with the system, but the configuration in the monitor is set to receive signals from VGA, the monitor is likely to give you a No signal error.  

You will find several buttons on the right, back, or under the monitor screen. Using these buttons, you will need to navigate through monitor settings. Depending on the model of the monitor, these settings could be anywhere in the monitor settings. Therefore, you might need to navigate through the configurations to find the correct settings.

Search for settings named Input and set it so that it matches the type of cable that you are using to connect to the system.

Check Memory Modules

You system requires physical RAM to display data on the screen. A system with faulty memory may be the reason your monitor is not displaying anything. To check this make sure that your memory modules are functional.

Furthermore, if RAM sticks are not inserted correctly into the motherboard, the PC will not detect the RAM, resulting in No signal error.

Follow the steps mentioned below to test the memory module.

  1. Unplug the PC from a wall outlet.
    wall outlet
  2. Remove all the screws on the side panel on your PC case to access the motherboard.
    remove side panel
  3. Memory slots are long and is usually located near the CPU socket.
  4. Memory slot will have locks on either sides. Pull the lock outwards and remove one RAM stick.
    reseat-ram
  5. Turn on the PC and check if the monitor displays anything. If it does not, remove another RAM stick and turn on the PC.

If your system only uses one memory stick, you will need another RAM stick to check if the current one is faulty

Check the Graphics Card

graphics-card-on-motherboard

A computer with a dedicated graphics card uses the HDMI port in the graphics card to transfer video data from the system to the monitor. Sometimes, the graphics card may not function due to overheating issues or if the graphics card is not connected properly.

To fix this, we recommend connecting the display cable from the graphics card to the display input port on your motherboard. You can also remove the graphics card from the system and check if the card works on another PC. If the monitor still shows No signal, the graphics card is most likely at fault.

Furthermore, your graphics card may not respond when it uses too much video memory. This may result in the monitor to give a No signal message. In this case you can reset the display adapter driver by pressing Windows+ Ctrl + Shift + B.

Check Power Supply to the GPU and the Motherboard

gpu power

If the graphics card is at fault, one reason could be that the motherboard is not supplying enough power to the card. To check this, you can look at the GPU’s cooling fan. If the fans are not spinning, there is a high chance that the GPU is not getting enough wattage.

However, this does not mean that the GPU is getting enough power if the fans spin. If the PSU supplies low power, the GPU cooling fan may spin, but the GPU will not perform efficiently. This may result in the monitor to display No signal.

To fix this, you need to make sure that the PSU supplies enough power to the entire system. If you are not sure the PSU is delivering enough power, you can refer to Coolermaster’s official PSU calculator.

Change Display Cable

display cables

A broken or damaged display cable may not transfer video data to the monitor. This might be the reason your Acer monitor is displaying No signal. Furthermore, version mismatch between the port and the cable may also restrict video data transfer to the monitor.

Although most versions of the display port support backward compatibility, using an older display cable on a newer version of the display port may not always work. To check this, try using a display cable that matches the port version on your monitor.

You may need to check monitor details to get the details about the version of the port. 

Factory Reset Monitor

Factory resetting a monitor reverts all the monitor configurations to a default state. If tweaking the wrong settings caused the Monitor to display No Signal, performing a factory reset should fix the issue.

To perform a factory reset,

  1. Use the buttons located on the sides or under the monitor screen.
  2. Go to Settings and navigate to Reset.
    reset acer monitor
  3. Click on Yes.
Note: Monitor settings on your Acer monitor may be different. Therefore, you may need to navigate through the settings to reset the monitor.
fix
Deep Shrestha
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Deep Shrestha works as a computer hardware writer at TechNewsToday with several hardware and programming certifications. Although he has been writing technical content for more than a year, his interest in hardware components started at a very young age ever since he heard about PC building. Pursuing his passion, he has assembled several desktop computers. Besides building desktop PCs, Deep also has hands-on experience fixing software and hardware issues on laptops and desktop computers. Using all this knowledge and skills about computer hardware, he's on a quest to make content that's easy to read and understand for everyone. You can contact him at deep@technewstoday.com

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