no signal pc

As we all Know nothing is more annoying than a “Computer Turns On But Monitor Says No Signal”. It prevents you from doing anything and causes unbearable stress. I was on the edge of a nervous breakdown the first time this happened to me; would I have to pay for a new one? Is the equipment I just invested my life savings on broken?

Have issues with your computer’s monitor receiving no signal? Don’t worry you’ve found the perfect place to look for a solution.  Remember: you’re not alone! We are here for you. A “no signal” error message means that your computer isn’t sending any data to the monitor. The solutions we’ve outlined in this post will quickly and easily repair this problem.

If no input signal appears on your screen, your computer is unable to send a signal to your monitor. This mistake could have been caused by a number of different things. You’ll need to diagnose the faulty part before you can fix it, which may be anything from the monitor’s cords to the PC’s video card.

10 Best Fixes To Solve Computer Turns On But Monitor Says No Signal

computer turns on but monitor says no signal

If you are facing Computer Turns On But Monitor Says No Signal ( 10 Ways To Fix ). We’ll discuss some practical techniques for your display here. The simplest answers will be explored first, followed by more involved ones. We have mentioned 10 ways to fix it when the computer turns on but the monitor says no signal. Do have a look:

1. Make sure the video wire is securely attached

The first step in solving is the computer turns on but the monitor says no signal problem is video wire is securely attached or not. The lack of a display on your monitor can be caused by a faulty connection between it and your computer. While operating Windows, if you receive the “no signal” notice, check to see if your appropriate video connection is firmly connected to your monitor.

If you have already ensured that your compatible video cable is securely connected, but the problem persists still, proceed to the next solution.

2. Make sure you chose the correct input source

It’s also possible to have a display with no signal since you haven’t set the correct input source. The ports your computer and your screen have will determine which one you choose as the monitor’s input.

Here are the steps you need to do to change the input on your screen:

1. Make sure both your computer and your screen are on.

2. Use the monitor’s edge button to access the menu.

3. If you go to Input Source, you can choose the proper input. If your computer has a VGA connection and you want to use a VGA-compatible monitor, you must select VGA as the input source.

Test to see whether the problem persists. If not, you’ve successfully resolved the issue.

3. Try the cable or PC again

If you are facing the computer turning on but the monitor says no signal then you can read this third way to fix this problem. A broken video cable is also likely to blame for the monitor’s lack of signal. Change the cord between your monitor and computer and see if the problem still occurs. In that case, the problem lies with your video cable.

Try hooking up your screen to a different computer and seeing if it helps. If the no signal indication persists on your screen, it may be the monitor itself. If you need further assistance, please contact the monitor’s manufacturer.

4. Obtain new hardware

After careful testing, you may need to think about changing your hardware if you’ve tried all possible software fixes and any hardware problems can be reproduced with other attached devices.

For instance, a damaged graphics card would prevent your monitor from receiving any visual output, which would cause a no-input signal. You would need to replace your graphics card if the drivers weren’t the issue.
Similar to a malfunctioning monitor, one that is incompatible with various devices won’t automatically repair itself. If a repair is not covered by your warranty, you should think about getting a new monitor.

This would also be a wise choice if the monitor flickers or the device otherwise shows signs of impending failure. This might be the case, for example, if it takes a while for your display to turn on.

5. PC Hardware Problems Fixing

Don’t freak out if your monitor displays a no-input signal problem. The aforementioned solutions should get you on the right track, but if the problem persists, you may want to do some additional diagnostics on your monitor or computer to determine if you are entitled to a replacement or repair under the warranty.

The appropriate PC hardware investment is crucial if you don’t want to find yourself in the same position in a year or two. Before rushing out to buy new PC parts, or a new PC or monitor altogether, make sure you’ve given your budget significant thought.

6. Reset the Monitor

The monitor’s settings can be reset to factory defaults, which can often fix the problem. Even though most monitors have a straightforward reset procedure, this varies depending on the maker. Try looking for answers in the monitor’s user manual or on the support site. The sixth technique is one of the easiest ways to fix computer turns on but the monitor says no signal.

7. Start a CMOS reset

Another option is to perform a CMOS reset on your machine to solve the computer turns on but the monitor says no signal problem.

1. Disconnect all wires and power the computer down.

2. Take it apart and find the CMOS battery.

3. Carefully pry it off the motherboard without applying too much force.

4. After 1–5 minutes, replace the CMOS.

8. Check Out the Adapters

If an adapter is part of the setup, check it out too. The connection can be hampered by a malfunctioning display adapter. Furthermore, the adapter type may potentially be an issue. Potential causes of the lack of signal include the adapter’s inability to handle multiple displays or the monitor’s custom resolution.

Below, we get into more depth on the resolution setup. checking out the adapters is simple and you don’t even require any experience to check. You can easily do this on your own if you are facing the problem that is computer turns on but monitor says no signal.

9. Verify that your graphics card is securely installed in the appropriate slot

Similarly, if your graphics card isn’t securely installed into its slot, you’ll see the no signal warning. In this situation, you’ll need to have a look inside the computer’s housing. So, here’s what you do:

1) Power down your computer and detach all peripherals and wires (including the power supply).

2) Remove the computer’s cover and look for the video card there.

3) Reconnect your graphics card to your motherboard and push it in firmly.

4) Reconnect your monitor’s power cord and plug it into your computer.

5) Turn it on by reconnecting the power cord and holding the power button down for at least a minute.

Test to see whether the problem continues. No worries if you’re still seeing “no signal” on your screen. You can try other potential solutions.

10. Try It Out On Another Screen Or Computer

The last technique to solve the problem of the computer turning on but the monitor says no signal is another screen option. In order to rule out software problems (such as outdated drivers) as the source of your display’s lack of signal, you may want to test a different monitor or computer. Put in a replacement screen for the one on your computer (if you have one available). If you’re able to reproduce the issue, it’s probable your computer has some sort of issue that needs additional investigation.

The same holds true if your primary monitor suddenly stops working but your backup monitor continues to function normally; this may point to a hardware issue with the first display.

This, however, does not prove that there is no other software problem. This error could potentially be caused by other factors, such as outdated drivers or improper display resolution, therefore additional investigation is required.

The above-mentioned 10 ways will help you if your computer turns on but the monitor says no signal.

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Why is there no signal on my monitor?

For some reason, even though your monitor is on, it isn’t picking up any signal from the device you’ve connected it to, and hence displays the “no signal” message.

There are a number of potential causes for this problem, with some being more severe (and expensive) than others. All of these things:

  • Cables that are either too loose or too old
  • A badly set up screen
  • Antiquated software drivers
  • Damaged screen
  • The discrepancy in the hardware

Also read: Checkout 13 Free Unblocked Games For School Computers To Play


Q1.  Can power supply issues could result in a monitor signal loss?

When the graphics processing unit (GPU) detects that it isn’t getting enough power, it can cut off the signal to the display. Inconsistent rendering of monitor displays, especially in a multi-monitor arrangement, can also be caused by an unstable or weak power supply.

Q2. Why does my monitor say no signal when my computer is on?

The lack of a display on your monitor can be caused by a faulty connection between it and your computer. If you’re using Windows and you suddenly get a “no signal” error, check to see if the compatible video connection is firmly connected.

Q3. How do you power cycle a monitor?

Switch off the power either at the Monitor or at the wall. A minimum of 10 seconds should elapse before you try to restore electricity. After a successful power cycle and restart, the Monitor’s green and blue LEDs should be illuminated.

Q4. Why Is My Monitor Not Detecting HDMI?

If an HDMI cable is plugged in yet the screen remains blank, the problem usually lies in the monitor’s output settings. It’s also possible that the HDMI cable or port is broken.

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Wrapping Up!

Be sure to contact something metallic before touching any part of your computer’s case to avoid static electricity. The failure to ground yourself correctly can lead to malfunctions or even broken parts. So, it’s time to wrap up this article. We hope this article computer turns on but the monitor says no Signal helped you solve your errors.

Please share your views with us. Don’t forget to comment below. Till then stay safe and healthy!

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