11 Fixes For No Signal On Monitor Issue

One of the most common issues individuals have is the “No Signal On Monitor Issue.” There are several possible causes for this. The most basic is that the monitor’s connection is obsolete or not used with a suitable device. Faulty wiring, loose connections, power issues, or interference from other electronics could all be to blame.

How To Fix No Signal On Monitor Issue | 11 Best Ways

This type of issue is usually simple to resolve. If some of the more common fixes don’t work, there’s likely a hardware problem that needs to be looked into for repair or replacement. Here are some troubleshooting strategies when your PC monitor loses signal to help you deal with display issues.

How To Fix No Signal On Monitor Issue?

  1. Check Monitor Input Source 
  2. Check The VGA Cables 
  3. Reset The Monitor
  4. Examine Adapters
  5. Check PC’s Hardware 
  6. Test With a Different Monitor
  7. Check Resolution Configuration
  8. Reset The CMOS
  9. Check Monitor Resolution
  10. Upgrade Graphics Card Drivers
  11. Replace Your Hardware

1. Check Monitor Input Source 

Check Monitor Input Source 

Several input sources are available on many monitors. If your display is set to the wrong input source, you’ll undoubtedly have a “No Signal On Monitor” problem.

The display menu options allow you to inspect (and alter) the monitor’s input source.

  • Simply check for the “input source” choice in the display menu.
  • On the side of some displays, there is also a physical button. You can use this button for cycling through the various settings.
  • Set the input source on your monitor to the proper one. For example, if your device to monitor connection is via HDMI cable, you will select HDMI as the input source.
  • Check if the “No Signal On Monitor” issue is solved.

2. Check The VGA, DVI, HDMI Cables 

Check The VGA, DVI, HDMI Cables 

Begin by meticulously inspecting your monitor cords (VGA, DVI, HDMI). One of the most familiar causes of a monitor indicating a “No Signal On Monitor” issue is a faulty, loose, or misplaced cable.

  • Replug each cord after unplugging it. Make sure they’re all appropriately linked.
  • It may seem self-evident, but you should double-check that each cable is in its proper location.
  • Next, look for any cable damage. Fraying bends and nicks should all be looked for. Because some problems are difficult to spot, running your finger down each cable is also suitable. It will assist you in detecting faults that aren’t immediately apparent.
  • Take a look at the cable ports. Dust and debris might clog the ports and cause the connection to fail.
  • Now, on a different display, test each cable. If you don’t have a spare monitor, ask a buddy if you may borrow theirs.
  • The leading cause of the no-signal issue is most likely a cable that doesn’t function with the new display. A new cable will be required.
  • If all of your wires appear to be in good working order, continue to the next option.
  • Check if the “No Signal On Monitor” issue is solved.

3. Reset The Monitor

Resetting the monitor can assist in getting everything back to normal. The resetting procedure usually is straightforward, but it varies depending on the brand of your display. Consult their support page or the monitor’s manual for more information and check if this fixes the No Signal On Monitor Issue issue

  • Turn off your monitor and restart your computer. Turn your monitor back on after the machine has adequately rebooted. A fault in the monitor’s system can sometimes be fixed by shutting it down and turning it back on.
  • Examine the monitor’s settings. The buttons at the bottom control the screen. The display’s position is often changed by four functions: horizontal size, horizontal position, vertical position, and vertical size. Play around with these alternatives to get the settings you like.
  • Try a system restore if tweaking the buttons doesn’t yield the results you want. The Windows Start Menu has a system restore option.
  • Go to “Start,” then “All Programs,” then “Accessories,” “System Tools,” and “System Restore” are the steps to take.
  • Look for the disks that came with your computer when you bought it. There should be recovery disks in them, which, if used, will delete everything on your system and reset it to the exact settings it had when it was first created. Insert the first disk into your computer and follow the instructions.
  • Consult your computer’s manufacturer’s tech support.
  • Check if the “No Signal On Monitor” issue is solved.

4. Examine Adapters

Examine Adapters

Make careful to check this as well if you’re using an adapter. The display adapter may sometimes be defective, causing the No Signal On Monitor issue. Furthermore, the type of adapter can be an issue.

The no signal issue may be caused by your adapter’s inability to support multiple displays or your monitor’s configured resolution. Check if the “No Signal On Monitor” issue is solved.

5. Check PC’s Hardware 

Check PC's Hardware 

If none of the preceding ways work, you’ll need to open up your computer and inspect the hardware. Even a single faulty or loose cable component can cause disaster.

Ensure the computer is turned off before you start troubleshooting the hardware. It’s also good to unhook all cords (including the power cord).

  • First, look for any loose cable parts.
  • Examine the case for anything that doesn’t seem right.
  • A component may appear out of place or at an uncomfortable angle.
  • The majority of loose parts, on the other hand, will not be visible. Each part will most likely need to be felt around for or reattached.
  • Check if the “No Signal On Monitor” issue is solved.

Examine Computer’s Hardware

Examine Computer's Hardware.
  • Examine the PC case for any loose components.
  • While locating a loose component is pretty simple, locating a busted part might be more difficult.
  • To figure out which one is broken, you’ll have to replace them.
  • I recommend starting with the graphics card because if it’s loose or damaged, it’s the most likely source of a “no signal” problem.
  • Another thing to look at is the RAM sticks; a damaged, dirty, or oxidized ram stick might cause monitor display problems.
  • Then look at the remainder of the hardware, such as the motherboard and power supply.
  • Check if the “No Signal On Monitor” issue is solved.

6. Test With a Different Monitor

If your computer faces a “No Signal On Monitor” issue and you’re sure the problem isn’t caused by software (such as outdated drivers), you may need to change monitors or computers.

Replace the monitor connected to your computer with a spare if you have one. If the issue persists, your computer is most certainly having issues.

  • If your primary monitor stops working, but your backup monitor continues to function normally, this could indicate a problem with your monitor hardware.
  • This does not rule out the case of other software problems. It could be due to out-of-date drivers or a wrong resolution, so look into it further.
  • Check if the “No Signal On Monitor” issue is solved.

7. Check Resolution Configuration

It’s worth looking at whether the resolution configuration is the issue. A no signal issue will probably occur if your graphic card’s resolution is higher than your monitor can handle.

You can test booting up in safe mode to alter the resolution to one that your monitor can handle. It begins your computer at a low resolution by default. Then, using the approach below, you can alter the display settings as needed:

  • Go to the Windows settings menu.
  • Look for “display resolution” under “system,” then “display.”
display resolution
  • Change the resolution to what you want.
  • If you choose to keep these display settings, a pop-up will appear.
  • “Keep changes” should be selected.
  • Check if the “No Signal On Monitor” issue is solved.

8. Reset The CMOS

Reset The CMOS

The jumper approach is used to clear the CMOS memory.

  • Turn off the computer.
  • To see the motherboard, open the system up.
  • Refer to the motherboard documentation for information on where to find the CMOS jumper and how to clear the CMOS. The CMOS jumper has three pins positioned near the battery in most cases.
  • The CMOS jumper has locations 1–2 and 2–3. To clear CMOS, move the jumper from position 1–2 to position 2–3. After 1–5 minutes, return it to its default position.
  • Turn the system on. To restore factory defaults on some computers, you may need to enter BIOS.
  • Check if the “No Signal On Monitor” issue is solved.

All peripheral devices attached to the PC should be turned off.

  • Remove the power cord from the source of AC power.
  • Remove the computer’s protective cover.
  • On the board, look for the battery. The battery may be placed in a horizontal or vertical battery holder, or it could be wired to an onboard header.
  • Remove the battery by following these steps:
  • Note the + and – orientation on the battery if it is in a holder. Pry the battery from its connector gently.
  • Disconnect the cable from the onboard header if the battery is linked with a wire.
  • Reconnect the battery after 1–5 minutes.
  • Replace the PC cover.
  • Reconnect the computer and all other devices.
  • Check if the “No Signal On Monitor” issue is solved.

9. Check Monitor Resolution

Your computer’s output can be shown in various resolutions on your PC monitor. Your graphics card limits the display resolution of your monitor. Your screen will most likely be blank or display a notice that says “No Signal On Monitor” if it is set to a higher resolution than your monitor.

  • It’s simple to fix a blank screen on a monitor after altering your display settings.
  • If the monitor abruptly loses resolution after changing the settings, wait 15 seconds. After that, Windows will revert to the previous selection.
  • Your monitor resolution may have been automatically adjusted if you haven’t changed your display settings in a while.
  • You can avoid this by rebooting Windows or entering Safe Mode.
  • In Safe Mode, Windows uses a lower quality display by default than average.
  • Allows you to set your display resolution to the lowest level supported by your monitor.
  • Visit the user manual or the manufacturer’s website to determine what resolutions your monitor supports.
  • The 15-second timeframe can also be used to change your key. You’ll be able to put it to the test in this manner.
  • Windows will revert to the old configuration if the solution causes your display to stop working.
  • Check if the “No Signal On Monitor” issue is solved.

10. Upgrade Graphics Card Drivers

Upgrade Graphics Card Drivers

The monitor could be the issue. However, most display issues are caused by the graphics card. Your blank screen is most likely the result of a fresh graphics card driver.

Your display may not support some resolutions. Your display may also be able to assist you with solutions that your graphics card does not currently support. It is especially true if your display can display at 4K or 240Hz.

  • If your graphics card is still relatively fresh, you may be able to address the issue by just updating the drivers.
  • It is advised that drivers be updated regularly to access bug fixes and new features.
  • Support for new screen resolutions and monitors is included.
  • You may utilize Windows Update to update your NVIDIA drivers with an NVIDIA graphics card.
  • Check if the “No Signal On Monitor” issue is solved.

11. Replace Your Hardware

If no alternative software fixes or hardware issues can be reproduced utilizing the attached devices after rigorous testing, you will need to replace your hardware.

  • A malfunctioning graphics card could result in no output from your monitor and a no-input signal. If your drivers aren’t the issue, your graphics card will need to be replaced.
  • A malfunctioning monitor that isn’t compatible with numerous devices isn’t going to get better on its own. Examine your warranty choices and get a new one if all else fails.
  • It would be wise if your monitor is flickering or you fear the machine is deteriorating. 
  • If your display takes too long to switch on, it may signify that the monitor is losing steam.
  • Check if the “No Signal On Monitor” issue is solved.


The “No Signal On Monitor” issue in your PC is indicated by the no signal message on the screen. With the solutions we’ve mentioned in this post, you can simply remedy this problem. Usually, the issue is with the RAM or Graphics Card. First, check them and then move to other steps and see which method works for you.