How to Solve HDMI No Signal on Windows PC Monitor

Ah, the good old “HDMI No Signal” error, a classic that never gets old! It’s always frustrating when trying to connect your monitor to your PC, and something seems to need to be fixed. But fear not. We are here to help you!

Let’s dive into the possible reasons for this pesky error. It could be as simple as a loose cable connection, or your PC’s settings must be adjusted. On the other hand, it could be a more complex issue, like conflicting hardware or driver problems. But don’t worry; we won’t bore you with the technical details. Instead, we’ll provide easy-to-follow steps to resolve the issue.

Why HDMI No Signal on Windows PC Monitor

HDMI No Signal

For several reasons, you may encounter an “HDMI No Signal” error on your Windows PC monitor. Some common causes include:

  1. Incorrect input source: Firstly, check if you have chosen the correct input source on your monitor. You wouldn’t want to stare at a blank screen and blame the cable or drivers. 
  2. Faulty HDMI cable or connection: If that doesn’t work, it could be a faulty HDMI cable or connection. Check the cable for any damages or loose connections. If you find any issues, try using a different HDMI cable or test it with another device to ensure it functions properly.
  3. Graphics driver issues: Outdated or incompatible graphics drivers could be the culprit. Who knew your computer could be so picky, right? Ensure update the graphics drivers to the latest version the manufacturer provides. 
  4. Display settings: Make sure the display settings are correct. We want to make sure your display settings are correct! Check that your PC and monitor’s specifications are compatible with each other. That’s basic compatibility.
  5. Hardware compatibility: check that your hardware is up to snuff. Your graphics card and monitor need to support HDMI, and they need to be compatible with each other. It’s like finding the right partner, you know? Compatibility is key!
  6. Power supply problems: Make sure there’s enough juice to go around. The insufficient power supply can be a real bummer and cause many HDMI signal problems. Check that your PC and monitor have enough power to keep the signal flowing!
  7. BIOS/UEFI settings: Finally, your HDMI woes might be pesky settings in your BIOS/UEFI firmware. Don’t worry; it’s an easy fix! Just look at the graphics or display settings and ensure they’re all set up correctly.

How to Solve HDMI No Signal on Windows PC Monitor

HDMI No Signal on Windows PC Monitor

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Fix 1: Check Your Cables 

Before you try anything else, let’s look at those monitor cables. A loose or wrongly-placed cable is one of the most common culprits when a monitor says “no signal.” So, let’s dive into it and learn how to check those DVI, HDMI, or DisplayPort cables properly. Here’s what you need to do:

  • Here’s a pro tip: unplug all your cables and plug them back in. It may sound too simple, but it works like a charm! Just push them in all the way and double-check that each one is in the right place. Xo USB C and HDMI ports
  • And while you’re at it, look at those cables. Check for any damage, like fraying or bends, and run your finger along each one to feel for any less obvious issues. Because who needs a professional technician when you have your own two hands? 
  • You could check the ports for dust and debris. Wear a face mask because who knows what dirt and germs could lurk there!
  • And if that doesn’t work, test each cable on a different monitor. Or, better yet, use your friend’s monitor and hope they don’t notice anything missing. If a cable doesn’t work with the new monitor, it’s time to go cable shopping.

Fix 2: Switch the Input Source

You’re in luck; we’ve got the ultimate life hack for you! Push the Input or Source button on your monitor, and BOOM to switch the input source to the HDMI port. And hey, if you’re feeling fancy, you can try out all the HDMI ports and see which one tickles your fancy. Make sure you select the right one, or you might end up with a different type of show. Input Resource Setting

  • Find the “input source” setting to get your monitor running. It’s usually located in the display menu. Still, some monitors have a fancy button on the side that lets you switch between options.
  • Once you’ve located the input source setting, it’s time to set your monitor to the appropriate source. If you’re using an HDMI cable to link your device to the monitor, set the input source as HDMI.

Fix 3: Examine Adapters

If you’re trying to connect your monitor and getting a no signal error, it could be due to a faulty display adapter. So, make sure to check that too, my friend. And hey, don’t forget about the type of adapter you’re using – it might not be able to handle multiple monitors or your monitor’s resolution settings, causing that pesky no signal problem. Dsiplay Adapter

Fix: 4 Update Display Driver

Follow these steps to update your graphics card driver:

  1. Type “Device Manager” in the Search bar to open the Device Manager window.
  2. Open the Display Adapters section in the window and right-click on the graphics driver you want to update.expand display adapters
  3. Select the “Update driver” option from the context menu.update display drivers
  4. In the following popup, select the option to Search automatically for driversSearch Automatically For Drivers
  5. Wait while the computer scans for any available updates for the driver. If an updated version is found, proceed with the installation by following the instructions on the screen.

Fix 5: Test With a Different Device or Monitor

Connect another monitor to your device and see if the problem persists. First, swap out your monitor with a new one and connect your device. If it works perfectly fine, your old monitor is just plain faulty. Simple as that! You might want to have it checked and repaired by the manufacturer. But if the problem persists, then the issue must be with your PC.

Fix 6: Check Resolution Configuration

If you’re having issues with no signal, it could be a problem with the resolution configuration. Your graphics card may be set to a resolution that’s too high for your monitor to handle. In that case, you can try booting up in safe mode, which defaults to a low-resolution setting. Then, you can adjust the display settings to something your monitor can handle.

To solve the issue, follow these steps:

  1. Access the Windows settings menu.
  2. Navigate to “System” in the settings. System in Settings
  3. Select “Display” within the system settings.
  4. Locate the option for “Display Resolution.” Display Resoltuion
  5. Adjust the resolution to your desired setting.
  6. Confirm the changes by clicking “Keep changes” in the pop-up dialog box.

Fix 7: Reset CMOS

Instead of taking it to a professional, why try resetting the CMOS yourself? It may sound tricky, but it’s pretty simple. All you have to do is look for the CMOS battery on your motherboard, remove it, wait a few minutes, and then put it back in. Voila! Your BIOS settings are back to default, and your HDMI problems are gone!

  1. Remove your laptop’s battery and start unscrewing the screws of the back cover using a screwdriver.unscrew the back panel screws
  2. After unscrewing the screws, carefully detach the back cover using a scale or similar object.uncover the back panel
  3. Look for the CMOS battery panel at the corner of the motherboard area.look for the CMOS battery panel
  4. Carefully remove the current CMOS battery from its slot. Remember to be very careful as the slot is fragile, and you may break it.remove the old CMOS battery
  5. After removing the battery, leave the slot empty for 15-20 minutes.empty CMOS battery slot
  6. After the break, insert the new CMOS battery, and screw the back cover properly.
  7. Power your system and check if the screen is turned on.

Summing Up

Dealing with an HDMI No Signal problem on your Windows PC monitor can be frustrating. Still, you can figure out and resolve the issue with the troubleshooting steps outlined in this guide. By checking cable connections, verifying input sources, updating drivers, adjusting display settings, and considering other potential causes, you can increase the likelihood of restoring the HDMI signal successfully. If necessary, please test different cables, monitors, or PCs, and contact manufacturer support or a computer technician for further assistance if the problem persists. Then, with patience and persistence, you’ll overcome the “HDMI No Signal” challenge and enjoy a fully functional display on your Windows PC monitor again.

Is it possible that my graphics card or a monitor is faulty?

Hardware faults can contribute to the “HDMI No Signal” error. Testing your monitor and HDMI cable with another device or connecting your PC to a different monitor can help determine if the issue is specific to your setup.

When should I seek professional help for the “HDMI No Signal” issue?

Suppose you have exhausted all troubleshooting steps, including trying different cables and monitors, updating drivers, and adjusting settings. In that case, contacting technical support or consulting a computer technician for further assistance in diagnosing and resolving the issue may be beneficial.

Should I try resetting the CMOS to solve the “HDMI No Signal” error? 

Resetting the CMOS can help resolve hardware-related issues, including HDMI connectivity problems. It’s worth trying if other solutions have yet to work, but remember that it will reset all BIOS settings to default.

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