Samsung Monitor Blue Light Blinking [10 Proven Fixes]

Samsung monitor blue light blinking

If you’ve been using a computer monitor for any length of time, you’re likely familiar with the quirks and issues that can arise, one of which might include encountering a peculiar blinking blue power light. Whether you’re in the middle of using your Samsung monitor and suddenly the blue light begins to flicker, followed by the screen turning black, or you’re just noticing this phenomenon for the first time, it can be rather alarming. This issue is not uncommon and can typically be resolved with some straightforward troubleshooting steps. This article aims to solve the blinking blue light dilemma with clear, simple steps to troubleshoot your Samsung monitor, ensuring you can quickly return to your tasks without fear of losing your work. 

Samsung monitor blue light blinking

If your Samsung monitor blue light is blinking it may be due to various issues such as loose cable connections, faulty cable, or malfunctioned capacitors.

To fix the issue you should try to inspect the cables to ensure they are connected securely and not faulty, if they are then it might be time to replace them with a new one.

Quick Fixes

These are quick fixes to fix the monitor blinking blue light.

  • Power reset the monitor
  • Loose cable connections 
  • Faulty cable
  • Out-of-date drives
  • Faulty power supply
  • Defective capacitors

1. Power reset the monitor

You should power reset the monitor before any troubleshooting as sometimes simple step solves the issue.

You can reset the monitor by following these steps

1. Shut down the monitor

2. Disconnect the monitor from the power cable or power source 

3. Now press the power button; keep pressing the button for about 15 seconds

4. Then, connect the power cable back to the monitor and ensure the DVI is connected securely

5. Turn on the monitor

Now your monitor is reset.

2. Loose cables connections

Sometimes, a damaged power cord and loose cable connection can cause the monitor to blink the blue light.

You should check the power cord; If you find any damage to the power cord, you should replace it with a new one.

Also check the cables for a loose connection to ensure that all cables are connected well. After ensuring the cable connection, turn on the monitor to see if it works.

3. Faulty cable

A faulty cable can cause a monitor to blink the blue light. You should check the cables for cracks or damage. If you find any crack or damage replace the cable with a new one.

Also, check the cable with another monitor to ensure that the cable is not faulty. If another monitor is not working with this cable, you should replace the cable with a new one.

After replacing the cable, turn on the monitor to see if it works.

4. Out of date drives

Outdated drives can cause a monitor to not working or flashing light/colors. In the case of outdated drives, you can experience issues with your monitor display.

You should check the drives of your monitor to ensure that the drives are not outdated.

You can check the drives update by following these steps

1. Click on the window key, then click on settings

2. Now search Device manager in the search box

3. Click on Device manager

4. Look for the Drives option, then click on it

5. Now, double-click on Sandisk or any option you get; it depends on the models

6. Then, click on the Driver

7. Now, click on update driver 

8. Click on the option Browse my computer for drives

9. Now, select the desktop by clicking the Browse option and click on the next option

10. Now click on next

Now your monitor drives are updated.

5. Faulty power supply

A malfunctioned power supply can also cause the device to not work at all, worn-out wires and bad power supply boards are the main cause of the defective power supply.

You should check if the power supply is connected to the strip, and if the supply is connected, ensure it is connected well.

If the electric hardware is connected to a single power strip, it can cause electromagnetic issues, which can cause light blinking issues.

You should check all the electric hardware. If you find any hardware connected to a single strip, you should remove the hardware from the strip.

6. Defective capacitors

Faulty capacitors are a common cause of light blinking issues. Sometimes, capacitors are blown by the overheating of the monitor.

When the monitor vents are blocked from the dust, heat can not escape from the monitor, and capacitors are blown.

A faulty capacitor can also produce flickering on display and also can cause other display issues.

If you face a light blinking problem with your monitor, you should check the inside capacitors of the monitor. If you find a faulty capacitor, you should replace it or repair it.

You can check the capacitors by following these steps

1. Power off the monitor and unplug the monitor from the power source

2. Unscrew the back of the monitor and remove the back of a monitor

3. Remove the power unit, and unplug all cables that connected the power unit to the supply power unit

4. Now, check the capacitors; if the capacitors are blown, you should replace them with a new one

5. Then, reassemble the monitor and tighten the screw of the monitor

Now, turn on the monitor to see if it works.

7. Monitor in power save mode

If your monitor is in power-saving mode, it can cause a flashing blue light. If you have not used your monitor for a long time, the monitor may go into the power save mode to save energy.

As a result of save mode, your monitor screen can be blank or show a flashing blue light.

If your monitor is showing power saving mode, you should need to exit the power saving mode.

Firstly, check if the monitor is connected to the power source, and ensure it is connected well to the supply source.

If the monitor is not connected well to the supply, it can allow the monitor to go into power-saving mode.

Sometimes, clicking on the keyboard and clicking on the mouse can wake the monitor from power-saving mode.

You can exist from saving mode by following these steps

1. Enter in the Bios or UEFI settings; this process depends on different models

2. Now, look for power saving mode 

3. Then, click on the mode and disable the mode

8. Changing in refresh rate

Sometimes changing the refresh rate resolve the issue, to fix the issue check the refresh rate of your monitor; if you find the refresh rate too low, you should change it.

Because a very low refresh rate is not enough to update the frames per second on display.

You can check the refresh rate of your monitor by following these steps

1. Right-click on the display

2. Now look for the display setting and click on it

3. Scroll down, then click on the advanced display setting

4. Now scroll down the page, now you will find a refresh rate option

5. Then click on the refresh rate and select the refresh rate which you want

9. Dead monitor

If you’re still facing a problem with your Samsung monitor after trying all the above solutions, it may be an issue with your monitor.

In that case yo should try to replace the monitor with a new one instead of wasting money on it.

10. Contact customer support

If you are still facing the problem after trying all the above solutions, you should contact Samsung customer support.

Customer support will provide you with other solutions or replacement/repair offer if your device is under warranty.

Samsung Monitor Wont Turn On Blue Light Flashing

If your Samsung monitor is not turning on but its flashing a blue light, it may be due to a various issues such as a fault cable, outdated graphics driver, malfunctioned capacitors and failure of power source.

In order to solve the issue you should inspect the power source to ensure that the monitor is getting a proper power.

If you’re observe any suspicious thing to the power outlet or to the power cable, then you must immediately power off the monitor and check the outlet and power cable to ensure they are not malfunctioned.

If it does not solve the issue then you must try to update the drivers and inspect the capacitors to ensure they are not damaged or faulty.

If none of these solutions work t solve the issue then it might be time to get in touch with an expert one.

Final thoughts

These are possible solutions for fixing the Samsung monitor blue light blinking.

  • Power reset the monitor
  • Loose cables connections
  • Faulty cable
  • Out of date drives
  • Faulty power supply
  • Defective capacitors
  • Monitor in power save mode
  • Changing in refresh rate
  • Dead monitor


Why is my Samsung blue light flashing?

Your Samsung monitor flashes a blue light when you receive a message, missed call, or other notification.

How do I turn off the blue flashing light on my monitor?

You can turn off the flashing light by following these steps

1. Open the start menu

2. Now click on the gear icon to load the settings

3. In the settings, select the system

4. Then click on display

5. Click on the night light icon to turn it off

Now your monitor flashing light is turned off.

How do I stop my Samsung monitor from flashing?

You can stop your monitor flashing by following these steps

1. Check the drives for the updates; if drives need the update, you should update the drives

2. Adjust the refresh rate by following the steps

  • Adjust the refresh rate by right-clicking on the desktop 
  • Select display setting 
  • Then click on the advanced display setting 
  • Scroll down for the refresh rate, then click on refresh rate and adjust the refresh rate.

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