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SOLVED: Computer Turns On, But No Signal To Monitor

To eliminate this issue, you should try updating your drivers, checking your GPU, resetting your BIOS Settings, or lowering down your screen resolution.

Expert Verified By

Have you been facing the ‘Computer turns on, but no signal to monitor issue? Don’t worry. I’m well aware of how frustrating and annoying this issue can be. Therefore, learning about the possible reason behind this issue and the fixes you can try at home to eliminate it is essential.

Hardware issues often stem from poor cable connections, like improperly connected HDMI cables between the PC tower and monitor. Faulty monitors or GPU issues can also lead to display problems. Software-related causes include outdated display drivers, disruptive BIOS settings, resolution misconfigurations, and minor glitches.

Key Takeaways
  • The monitor may not be getting a signal due to either hardware or software issues. 
  • The problem can be fixed by testing the monitor, updating drivers, testing display adaptors, changing the screen resolution, or resetting the BIOS settings.
  • If the problem is bigger than what you anticipated, use a professional’s help.

The screen will be stuck like given below:

computer turns on but no signal to monitor
The monitor is blank due to no signal. Image credits: (Tech4gamers)

Method Difficulty Rating

Test Other Device
Rated: 3/10

Change Screen Resolution
Rated: 6/10

Update Drivers
Rated: 6/10

Try Another GPU
Rated: 7/10

Reset BIOS Settings
Rated: 9/10

Tip: Here are some quick fixes that might help in solving this issue:

  • Restarting your PC.
  • Trying another HDMI Cable.
  • Make sure to reconnect all the cables to their respective slots.

Testing Another Displaying Device

If you have any doubts regarding your monitor being the culprit. You can test any other displaying devices. Don’t worry; you don’t have to go out of your way to buy a whole new monitor for that. You can use your TV as a display device by simply plugging in the other end of the HDMI instead of the monitor.

Change The Screen Resolution

You may have accidentally set a resolution way higher than what your monitor supports, which might cause it not to turn on. Different users used this method on Microsoft Answers Forum as well. These are the steps to lower the resolution configuration on Windows 11:

  1. Go to Display: Open the ‘Settings’ app > Click on the ‘System’ tab > Click on the ‘Display’ tab.
    lowering the screen resolution
    Lower your screen resolution. Image credits: (Tech4gamers)
  2. Display Resolution: Look for ‘Display Resolution’ > choose a lower resolution configuration for your monitor.

Update Drivers

Updating drivers is essential to keep your PC running smoothly. Therefore, you should know how to update drivers. In this case, you must learn how to update the display adaptor or GPU drivers as users discussed this on the forum windows 10. You must follow these steps to update display adaptor drivers through the device manager:

  1. Device Adapters: Open the ‘Device Manager’ > Click on ‘Device Adapters.’
  2. Update Driver: Right-click on the display adaptor that you are using  > Click on ‘Update Driver.’
    Enabling the integrated GPU on CPU
    Click on ‘Update Driver.’ Image credits: (Tech4gamers)
  3. Search automatically for drivers: Click on ‘Search automatically for drivers’ in the newly opened window.
    searching for drivers automatically.
    Click on ‘Search automatically for drivers.’ Image credits: (Tech4gamers)

Your PC will automatically search for any driver updates, if any. 

Try Another GPU

Many processors come along with integrated GPUs. Therefore, if you are worried that the other GPU installed separately on your PC is not working, you can try switching to the integrated GPU on the CPU. On the Windows 10 Forum, users were discussing this very solution and how this can get around the issue and solve it. You can follow the given steps to switch to the integrated GPU:

  1. Display Adapters: Open the ‘Device Manager’ on your PC > Look for the ‘Display Adapters’ and click on it.
  2. Right-click and Enable: Right-click on the GPU with your CPU’s name on it Click on ‘Enable device’ in the drop-down list.
    updating driver through device manager
    Click on ‘Enable Device.’ Image credits: (Tech4gamers)

If the integrated GPU seems to be working perfectly fine, the problem may be with the GPU you used initially.

Reset BIOS Settings

Any settings of BIOS that are keeping your monitor from displaying can be reset back to default. You can try the CMOS battery picking-out method to reset your BIOS settings. Resetting BIOS being a possible solution for many users on ASRock Forum was the go-ahead signal for me as well. Here are the steps to reset BIOS using a CMOS battery: 

  1. Shut Down: Shut down your PC > Make sure the power outlet is switched off too.
  2. Open PC: Open your PC case after a while (make sure no current is flowing).
  3. CMOS battery: Look for a CMOS battery attached to your motherboard > It is usually close to the PCI/PCIe slots. However, the location of the CMOS battery may differ among motherboards.
    cmos
    CMOS battery on the motherboard. Image Credits (Tech4Gamers)
  4. Take Battery Out: Carefully pick the CMOS battery out > let at least 5 minutes pass > You may press the power button on the PC case for 10 seconds to drain the excess power.
  5. Put Battery Back: Put the CMOS battery back in place while ensuring its smaller side faces down.

Your BIOS settings will automatically reset once you’ve returned the CMOS battery. You can reattach the PC case cover and restart it. 


Final Thoughts

These are all the fixes that I recommend you try to fix the ‘computer turns on but no signal to monitor’ issue. Hopefully, trying out another displaying device, updating drivers, checking GPU, or resetting the BIOS settings will help eliminate your issue.

If none of the fixes work for you, you can try heading to a professional who can look at your computer and conduct a deeper analysis and diagnosis. You will be informed of the real reason behind the issue and will be told the fix it accordingly.


Frequently Asked Questions

Will resetting my BIOS settings wipe the data off my PC?

No, the data on your PC will stay safe. Resetting BIOS settings will only change the settings of BIOS back to default.

Does lowering the screen resolution affect the performance of my PC?

If anything, it should improve the performance of your PC. Only the image quality on the screen will lower down a few notches!

Can I try using another cable instead of an HDMI?

In newer computers, finding a VGA cable slot may be difficult. However, you can check both via VGA cable if your PC and monitor are older.


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