I was enjoying a movie on my LG monitor when suddenly, the screen started flickering. I thought maybe something had gone wrong with the connection, but after checking it out.
I realized that it wasn’t an issue with the connection. It seemed like a technical problem, and I needed to figure out what to do next.
In this article, I will be sharing what caused your LG monitor to start flickering and how you can fix it, too, if you ever face this issue.
Let’s get started!
Why Is Your LG Monitor Flickering?
There are several issues why your Lg monitor is flickering; it may be because of the outdated graphic driver.
It may be an issue with the power supply, faulty cables, or a faulty screen. Read on to solve the issue.
1. Loose cable connection
Before troubleshooting, you should ensure that all cables are connected well to the monitor.
Sometimes, a loose cable connection can cause the monitor to flicker. To solve the issue, check the cable connections and ensure the cables are connected securely.
You must unplug the cable and replug it securely if there is any loose connection. Now turn on the monitor to see if it works.
2. Factory reset the monitor
Sometimes a misconfigured setting can cause the monitor to flicker. To ensure the settings, you should restart your monitor; it may solve the issue.
Follow the steps to restart your monitor
1. Press the menu button on your monitor
2. Now it will open the settings on your monitor
3. Now scroll down and select factory reset the monitor
4. Now confirm it by clicking on the yes
On the new models of the Lg monitors, a factory reset is named as the reset to initial settings.
3. Issue with Power supply
An issue with the power supply can also cause it. If the monitor is getting less amount of power, then it will flicker.
You should maintain the power supply to solve this issue.
Here are the steps to do it
1. Use good quality surge protector
2. Avoid usage of more than one device on the same power strip
3. Use a dedicated outlet
4. Ensure that the power cable is plugged in properly
5. Make sure that the power source is delivering the proper power
4. Monitor low refresh rate
If your monitor’s refresh rate is low, it may also cause the monitor to flicker. You should check the settings to ensure the refresh rate is not set low.
Follow the steps to change the refresh rate
1. Click on the window key, then click on the settings
2. Click on the system; next, click on the display
3. Click on the display adapter properties or, in old models, advanced display settings
4. Now click on the refresh rate and change it to your preference
5. Two devices at the same power strip
If you’re plugged in more than one device at the same power outlet, it may also cause the monitor to flicker.
If there is more than one device, you must remove all except one to ensure the optimal performance of your monitor.
Now turn on the monitor to see if it works.
6. Power cycle monitor
If your monitor is flickering, then you should power cycle your monitor. It may solve the issue.
It is another quick solution to solve the issue.
1. For the power cycle your monitor turn off the monitor
2. Now unplug the monitor from the power source
3. Now let your monitor for half an hour
4. Then plug it back into the power source and turn it on to see if it works
7. Out-dated graphic driver
If your monitor is flickering, it may be because of an outdated graphic driver. You should ensure that your card drivers are not outdated.
Follow the steps to check/update the graphic driver
1. Right-click on the window key, then click on the device manager
2. Click on the display adapter
3. Now right-click on the graphic card which you are using, then click on the updated driver
4. Choose search automatically for the updated driver software
5. If it says the best driver is already installed, then your driver is not outdated
8. Faulty video card
Sometimes, the faulty video card can cause the monitor to flicker. To solve the issue, you should check the card to ensure it is not faulty.
Follow the steps to check the video card
1. Unplug the monitor from the power source
2. Now open the computer case to check the card
3. Now check the video card for visible damage
4. If there are no signs of tear and wear, ensure that the card is fixed properly in the motherboard
5. Now close the computer case back and plug it back into the power
9. Contact customer support
After trying all the above solutions, if you’re still facing a problem with your monitor, you should contact LG customer support.
Customer support will be able to provide you with another solution for this problem.
FAQ
How do I fix a flickering monitor?
It is mostly because of the outdated graphic drivers. To fix the issue, you should update the driver.
You will need to uninstall the current display adapter and then reinstall the new one to update the drivers.
If it does not solve the issue, then it may be an issue with the power supply of your monitor. You must maintain the power supply to solve it.
Can a graphics card cause a screen to flicker?
If the graphic card of your monitor is not set perfectly in the motherboard of your monitor, it may cause the monitor to flicker.
You should check the card to ensure it is set perfectly. You can easily check if your monitor motherboard has built-in graphics.
To check the card, remove the back of the pc, remove the card from the motherboard, and check it with another system to ensure it is not faulty.
If it works well, then reinsert it back into the motherboard properly. After inserting the card, turn on the monitor to see if it works.
Wrapping Up
These are the possible solutions if your LG monitor is flickering. You should try these solutions to solve the issue.
- Loose cable connection
- Factory reset the monitor
- Issue With power supply
- Faulty video cable
- Monitor low refresh rate
If you’re still facing problems with your monitor, you should contact an expert technician for other solutions.