Vizio Tv Screen Is Darker Than Normal: [9 Fixes]

Is your Vizio TV screen darker than normal? Most of the Vizio TV users have gone through this problem. It’s frustrating because you can’t enjoy your favorite TV shows in vibrant and bright colors. 

Quick Answer: The Vizio TV screen goes darker because of faulty picture settings, ambient light sensor issues, loose HDMI cables, or faulty backlight.

Before a solution, you have to identify the root cause of the problem so you can easily fix the darker screen of Vizio TV. 

In this article, I will share some of the fastest methods that you can use to turn the darker Vizio TV screen into a brighter one. So let’s get started!

How To Fix Vizio TV Darker Screen

1- Power Reset Vizio TV

power resetting vizio tv

Before going for any other solution, you should power reset Vizio TV. If the darker Vizio TV turns darker due to the software glitch, then the power reset will solve this problem. 

Here are the steps to power reset Vizio TV in a minute. 

  • First, unplug the power cord of the TV from the main switch. 
  • Wait for 60 seconds. 
  • Press and hold the power button of the TV for 15 seconds. 
  • Plug the TV back into the switch.

You might wonder how these simple steps can solve the problem. A power cycle or reset drains all the residue power from the TV, which creates the problem. 

So, if your Vizio smart TV screen is darker than normal, you should try power Reset instantly. 

2- Check The HDMI Cable 

check the HDMI Cable 

The HDMI cable usually gets loose, which causes the Vizio screen to go darker, image distortion, or vertical lines to appear on the screen.

HDMI is the main source of pictures and sound. So if you have encountered torn or slow sound with a darker Vizio screen, it means that the HDMI cable is faulty. 

In this cause, you need to first fix the loose HDMI cable. Plug out the HDMI cable, clean the dust, and then plug it back firmly. 

Similarly, sometimes the fault is in the HDMI cable or gets damaged. To check this, you need to replace the HDMI cable with a new one or use the HDMI cable of any other smart TV. 

If the cables work fine and the Vizio TV screen is still darker than normal, move on to the next solution. 

3- Change The HDMI Port

Consider switching the HDMI ports. There are several HDMI ports present behind the Vizio TV. So in case one, HDMI port got wrecked, the next one will be working fine. 

The dust and debris particles also accumulate in the HDMI port, blocking the signals. So, should also clean the faulty HDMI port with cotton buds. 

4- Increase The Brightness From The Picture Settings

Increase The Brightness

If your Vizio TV screen is darker than usual, check the brightness level from the Picture settings. 

Most of the time, the screen brightness is less than 40%, making it dull and look darker than usual. 

Follow these steps to increase the brightness of the Vizio TV. 

  • Grab the Vizio remote and press the “Menu” button. 
  • A menu will pop up on the left. Locate the Picture settings. 
  • Under Picture Settings, hover over brightness and increase it to 65%.

Hopefully, this process will fix the Vizio TV black screen.

Quick Tip:
Similarly, look for contrast; a low contrast level will lower the white brightness level. Also, increase the contrast a bit from the picture settings.

5- Change Picture Mode

Different picture modes are available on Vizio TVs, and each one either increases or decreases the brightness. That’s why you should switch the picture mode to fix the dark screen of the Vizio TV. 

By default, Vizio smart TV is set to the Standard mode, setting the screen settings on the default factory settings. But if you set any other picture mode like Calibrate mode, Vivid, Game, or Computer mode, you should switch back to the standard mode. 

To change the picture mode, follow these steps;

  • Press the menu button from Vizio TV remote control
  • Find the Picture Settings from the menu. 
  • Under Picture Settings, tap on Picture Mode. 
  • Now select the Standard picture mode.

6- Turn Off The ECO Mode

Undoubtedly, Vizio TVs come up with some advanced features, including the ECO mode. The eco mode saves the power consumption of Vizio smart TV by reducing the brightness. 

So if you have enabled the ECO mode on the TV, the screen brightness drops frequently when darker scenes come on. Try to turn off the ECO mode, then recheck the screen picture quality.

Here are the steps to turn off the ECO Mode; 

  • Press the menu button from the remote.
  • Locate the TV settings and tap on it. 
  • Next, tap on “System.” 
  • Scroll down the “Power Mode” and turn on “Quick Start” mode.

7- Factory Reset Vizio TV

factory reset vizio tv

If the problem persists, try to reset Vizio TV to its default factory settings. If you have done any wrong picture settings in the past, causing the issue, the factory reset will redo all these settings. 

Similarly, a factory reset will solve most Vizio TV issues like screen lagging, slow Vizio tv performance, firmware glitches, etc. 

Here are the steps to perform a factory reset on Vizio TV;

  • Press the “Setting” button on Vizio TV remote. 
  • Scroll down to “All Settings” and tap on it. 
  • Locate the “Admin & Privacy” and tap on it. 
  • Choose “Reset to Factory Settings” and tap “Reset TV.”

Now you need to wait for a few minutes while the TV will restart by itself. 

Note:If you don’t have a Vizio smart TV remote, you can reset it using the physical button behind it.

  • Press and hold the Volume down and “Input” or Source button together. 
  • Wait until you get the message on the TV’s screen. 
  • Now only press and hold the “Input” button for 10 seconds.

8- Faulty Backlight 

The faulty backlight is the primary reason of darker Vizio TV’s screen. Specially, if you’re using an older TV model with an LCD panel, the backlight is likely to get damaged.

If your Vizio TV brightness is very dull even if you have set the brightness to its peak value, then chances are that backlight got damaged. 

In this case, you need to bring the TV to a near by TV repair shop and ask them to replace the backlight. It can cost nearly $80 to $120 to replace the entire backlight of the Vizio TV. 

9- Contact Vizio Support 

Before bringing your Vizio TV to a near by repair shop, contact Vizio customer support. Tell them that your Vizio’s screen is darker than usual. 

They will send you troubleshooting steps to fix the problem. And if your Vizio is under warranty, they will repair or replace the TV model free of cost. 

Final Words:

If your Vizio TV screen is darker than normal, there is something wrong with the picture settings. Check the picture settings and try to increase the brightness and contrast level. Similarly, also switch the picture mode to Standard mode. 

Similarly, make sure that the HDMI cables are plugged in properly; also, consider switching the HDMI ports. If the problem persists, consider resetting the TV to its factory settings. 

I hope this guide was helpful to you and solved your problem.