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10 Troubleshooting Tips When Your PC Monitor Has No Signal

There is No Signal Coming From Your Computer? Try These Solutions

10 Troubleshooting Tips When Your PC Monitor Has No Signal

It can be incredibly frustrating when you have loads of work to deliver and then your monitor stop displaying or giving a signal. It can be a lot more frustrating when there are no technicians available to help you out. However, solving technical issues might be a little easier than we think. 

So whether you are a computer expert or a novice, there are basic steps that can be taken to resolve some simple issues regarding the PC. In this article, we will be exploring how to fix computer no display or no signal issue on your PC. Below are a few things to check out when having signal display issues:

1. Input Source

When experiencing a signal issue on your monitor, this is one of the things to check out for. Not choosing the correct input source for your monitor will lead to a "no signal" issue. However, selecting the correct input source requires you to know which ports your system and your monitor have.

Below is a guide on how to choose a correct input source:

Turn on your monitor and your PC.

Click on the "menu" button on the edge of the monitor

Stroll to "Input Source" and click on the correct input source. For instance, if your monitor is connected to the HDMI port, then set your input source as HDMI.

2. Try Another Cable or PC

A damaged video cable can also be a cause of a lack of signal on your monitor. So you could try connecting your monitor and your PC with a new cable to check if the problem remains. If it persists, definitely that's not the cause.

You could also try connecting your monitor with another PC. If your monitor still doesn't give a signal then your monitor is most likely faulty. At that point, professional help is needed.

3. Resetting the Monitor

Electronic devices are liable to malfunction when the workload is much. If your monitor is not giving a signal, it might require resetting.

How to reset the monitor: 

  • Turn off your PC
  • Turn off the monitor
  • Disconnect the monitor from the power source
  • Long press the monitor power button for about 8 seconds ( this helps to clear any residual power in the circuits)
  • Then reconnect the cables to the monitor and PC
  • Turn on the monitor and PC and try again.

4. Check out Adapters

When the display adapter is faulty, it can hinder some connections. So make sure you examine this also and ensure that there is no problem with your adapter. However, it is important to note that some adapters do not support multiple monitors. So if your type of adapter does not support multiple monitors and it's been used for that purpose it can cause no signal issue.

5. Outdated Drivers

This is one of the causes of the lack of signal on your monitor. Not only does it disrupt signals, but it causes stuttering also. So, ensure you have the latest drivers downloaded at all times. You can update the drivers by going through the following steps:

  • Select the Windows "Start" button
  • Search for "device manager" and click on this option when it appears
  • Navigate through the "Categories" and check out the drivers you would like to update.
  • Right-click the drivers you want to update, this brings out an "update driver" option.

6. Disconnect External Devices

Having too many devices connected to the computer might be distracting to it. The computer might not exactly be able to process multiple devices at once, therefore becomes confused and starts malfunctioning. This might lead to a "no signal" issue on the monitor. Disconnecting some external devices like webcams, speakers or scanners might help. Giving the computer a chance to focus directly on the monitor might solve the signal issue.

7. Examine Your Graphics Card

If your graphics card is not well inserted in its slot, you would likely have a "no signal" issue. You might need to open your computer case to check.

How to check your graphics card:

  • Put off the computer and disconnect all cables
  • Open the computer case to find the graphics card. It is essential to note that the location of the graphics differs depending on the type of card your computer uses.
  • Remove your graphics card from your motherboard and insert it firmly into its slot
  • Fix your monitor cable and connect it to your PC
  • Long press the power button of your PC for about a minute and then connect your power cord back and switch it on.

8. Change Video Card

Another way to fix the "no signal" issue on the monitor is by changing your video cards. Just like any other component, the video card could become outdated or overheated especially when dealing with older systems. Purchasing a new video card that is up to date could help you solve the signal issue.

9. Check Hardware

To do this, you will need to open up your PC. Just a little disconnection can disrupt the whole process. While trying to check the hardware, ensure you unplug all cables from the light source and turn off your computer also. Then check out for components that are not well tightened and reattach them. Check your graphics card also and ensure it is well fixed.

Then check out the motherboard and the rest of the hardware.

10. Check for Overheating

Overheating can cause your monitor to malfunction. If you notice your monitor has been stopping from time to time and displays "no signal" often, it could be due to overheating. Try to keep your monitor and PC cool at all times. Watch out always for the temperature in your computer room and incorporate cooling gadgets.

The "no signal" message on your monitor's screen implies that the monitor is not getting input from the computer. The abovementioned are some of the effective methods of resolving the signal issues. Try out some of these methods to fix your signal issues. Stay tuned to our sites for more helpful posts.


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