Cable Not Connected: Troubleshooting Your Acer Monitor

If you’re having trouble with your Acer monitor and seeing the dreaded message ‘Cable Not Connected,’don’t panic. This common issue can be frustrating, but the good news is that there are several steps you can take to troubleshoot and resolve the problem.

First, it’s important to check the physical connections between your monitor and your computer. Loose or damaged cables can often cause this error message to appear.

Updating your graphics card driver, trying a different cable, and checking your computer’s display settings are also important steps to take.

If these solutions don’t work, testing your monitor on a different computer or contacting Acer customer support may be necessary. By following these troubleshooting steps, you can get your Acer monitor back up and running in no time.

Check the physical connections

Don’t panic if your Acer monitor shows ‘cable not connected’. The first thing to check is the physical connections!

It may seem obvious, but sometimes the cables get loose or disconnected accidentally. Before anything else, make sure that the power cable is plugged in and the monitor is turned on.

Check the connection between the monitor and the computer- is the cable securely attached on both ends? If not, unplug and reattach the cable firmly.

If the connection seems fine and the error message still appears, try using a different cable. Sometimes the cable itself can be the problem. If you have a spare cable at home or in the office, swap it with the one currently attached to the monitor and see if that fixes the issue. If you don’t have a spare, consider borrowing one from a colleague or purchasing a new one.

If the physical connections are all good and switching cables didn’t work, it’s time to move on to other troubleshooting steps. Check the input settings on your monitor- is it set to the correct input source?

For example, if you’re using an HDMI cable to connect the computer to the monitor, make sure that the input source on the monitor is set to HDMI. If it’s set to a different source, change it and see if that resolves the issue.

Update your graphics card driver

Updating your graphics card driver can be a quick and easy solution to optimize your monitor’s performance. Here are some steps to follow:

  1. Check your graphics card manufacturer’s website for the latest driver updates. They should have a section specifically for downloads and drivers. Look for the appropriate driver that matches your graphics card model and operating system.

  2. Download the latest driver and install it on your computer. Make sure to follow the installation instructions carefully and restart your computer if needed.

  3. Once the new driver is installed, check your monitor settings to ensure that it’s using the correct resolution and refresh rate. You can find this under the display settings in your computer’s control panel.

  4. Finally, test your monitor to see if the issue has been resolved. Play a video or open a program that uses high graphics to see if there are any improvements in performance.

By updating your graphics card driver, you can solve a lot of issues related to your Acer monitor. It’s a simple and effective solution that can save you a lot of frustration in the long run. If you’re still experiencing issues, then it’s time to move on to the next troubleshooting steps.

Try a different cable

If you’re still experiencing issues with your display, it might be worth trying out a different type of connector. A faulty cable can cause your monitor to display the ‘cable not connected’ error message, even when it’s properly connected to your computer.

So, your next step should be to try a different cable or connector to see if that fixes the issue. Before you purchase a new cable, check your monitor’s specifications to find out which type of connector it uses. Most Acer monitors use HDMI, DVI, or VGA cables, but some models may require a DisplayPort or USB-C cable.

Once you know which type of cable you need, try borrowing one from a friend or colleague to see if it solves the problem. If that’s not an option, you can purchase a new cable online or at your local electronics store. If changing the cable doesn’t work, there may be an issue with your monitor’s port or your computer’s graphics card.

In that case, you may need to contact Acer’s customer support or a professional technician to get further assistance. However, trying a different cable is a simple and inexpensive troubleshooting step that might just solve your problem. So, give it a try before you move on to more complex solutions.

Check your computer’s display settings

To optimize your Acer monitor’s display, you should check your computer’s display settings.

First, adjust the resolution to ensure that the screen is clear and sharp.

You can also change the refresh rate to reduce screen flickering and eye strain.

Adjusting the resolution

First, you’ll want to check if adjusting the resolution can fix the issue of your cable not being connected to your Acer monitor. By doing so, you can ensure that the display settings are properly configured for optimal performance.

Here are some steps you can follow to adjust the resolution:

  • Right-click on your desktop and select ‘Display settings.’
  • Scroll down to ‘Advanced display settings’ and click on it.
  • Under the ‘Resolution’ dropdown menu, select a different resolution than the current one.
  • Click ‘Apply’ to see if the issue is resolved. If not, try a different resolution until the problem is fixed.

If you still can’t connect to your monitor, try updating your graphics card driver.

Adjusting the resolution is a simple and effective way to troubleshoot issues with your Acer monitor not connecting to your computer. By following these steps, you can ensure that your display settings are optimized for your monitor and enjoy a clear and crisp display. If the issue persists, don’t hesitate to seek further assistance from a professional.

Changing the refresh rate

Now that you’ve adjusted the resolution of your Acer monitor, it’s time to check the refresh rate.

The refresh rate refers to the number of times the monitor updates the image on the screen per second. A higher refresh rate means a smoother image, especially during fast-paced activities such as gaming or watching videos.

To change the refresh rate, right-click anywhere on your desktop and select "Display Settings."From there, click on "Advanced Display Settings,"and then "Display Adapter Properties."

Under the "Monitor"tab, you can select the refresh rate you want from the dropdown menu. If your monitor supports a higher refresh rate, you can select that option to enjoy a smoother image. Remember to click "Apply"and "OK"to save the changes.

Test your monitor on a different computer

If your Acer monitor isn’t displaying anything, try connecting it to another computer to see if the issue is with the monitor or the original computer. This is an important step in troubleshooting.

If the monitor works on the second computer, then the problem was with the original computer. However, if the monitor still doesn’t work, then it’s likely an issue with the monitor itself.

Connecting your monitor to a different computer is fairly straightforward. Simply unplug the cable from the original computer and plug it into the second computer. If you have a VGA or DVI cable, you may need an adapter to connect it to the second computer if it doesn’t have the same port.

Once the monitor is connected, turn on both the computer and the monitor and see if it displays anything.

If the monitor works on the second computer, then it’s time to troubleshoot the original computer. Check the cable connections and make sure they are secure. You can also try updating the graphics driver on the original computer.

If the monitor still doesn’t work on the original computer, then it may be time to take it to a professional for repair or consider purchasing a new monitor.

Contact Acer customer support

To ensure your Acer display issue is resolved efficiently, consider reaching out to Acer’s customer support for assistance. Here are three reasons why:

  1. Expert assistance: Acer’s customer support team is composed of experts who are trained to handle all sorts of display issues. They can help you troubleshoot your monitor and offer solutions that are tailored to your specific needs. They can also provide you with the necessary tools and resources to help you fix your monitor on your own.

  2. Access to official resources: When you contact Acer customer support, you gain access to official resources that aren’t available to the general public. These resources can include drivers, firmware updates, and other software that can help you fix your monitor. You can also get access to official manuals and guides that can help you troubleshoot your monitor.

  3. Fast and efficient resolution: Acer’s customer support team is dedicated to helping you resolve your display issue as quickly and efficiently as possible. They’ve got a wealth of experience dealing with all sorts of display issues, so they can quickly identify the root cause of your problem and offer a solution that works. They can also help you with any follow-up questions or concerns you may have, ensuring that your monitor is working properly.

Consider purchasing a new monitor

You might want to think about getting a new display if you want to experience better visual quality on your computer. Sometimes, the issue with your Acer monitor not connecting to your computer might be due to hardware failure or damage, and in such cases, purchasing a new monitor might be the best option. Additionally, investing in a new monitor can also help you enjoy the latest display technologies, such as 4K resolution, HDR, and high refresh rates.

To help you choose a new monitor, check out this table that compares some of the top options in the market:

Monitor Screen Size Resolution Refresh Rate Price
Dell Ultrasharp U2719D 27 inches 2560×1440 60 Hz $449.99
Samsung CHG90 49 inches 3840×1080 144 Hz $1,099.99
LG 27GL83A-B 27 inches 2560×1440 144 Hz $379.99
Asus ROG Swift PG279QZ 27 inches 2560×1440 165 Hz $599.00

Each of these monitors offers unique features and benefits, depending on your needs and preferences. For instance, the Dell Ultrasharp U2719D is a great option if you’re looking for a large screen size for multitasking, while the Samsung CHG90 is perfect for immersive gaming experiences. Ultimately, the monitor you choose should align with your budget and the activities you plan to use it for.

If you’re experiencing issues with your Acer monitor not connecting to your computer, purchasing a new monitor might be the best solution. Consider the options available in the market and choose one that aligns with your needs and budget. With a new monitor, you’ll be able to enjoy better visual quality and the latest display technologies.


You’ve now gone through all the steps to troubleshoot your Acer monitor. If none of the previous steps have worked, it may be time to consider purchasing a new monitor.

Before making a decision, double-check with Acer customer support to see if there are any other potential solutions or if your monitor is still under warranty. They may be able to provide additional assistance or even a replacement.

If you do end up needing to purchase a new monitor, make sure to do your research and choose one that meets your specific needs and budget. Look for a monitor with a resolution and refresh rate that fits your usage, and consider additional features such as adjustable height and built-in speakers.

With a little bit of research and careful consideration, you can find a new monitor that will provide you with a great viewing experience for years to come.