How to remove black bars and dotted lines for Samsung QN85B or QN90B

With the Samsung QN85B and QN90B Neo QLED 4K Television Sets, you are able to watch videos and play videogames with different aspect ratios. By doing so however, you may see black bars and dotted lines.

You can check out this guide from Seeking Tech to see how you can get rid of the black bars and dotted lines when using your TV.

Before we begin, we would like to note that this article is going to be based on the following screen size options of the QN85B and QN90B series:

  • 55” QN85B Neo QLED 4K TV (QN55QN85BAFXZA)
  • 65” QN85B Neo QLED 4K TV (QN65QN85BAFXZA)
  • 75” QN85B Neo QLED 4K TV (QN75QN85BAFXZA)
  • 85” QN85B Neo QLED 4K TV (QN85QN85BAFXZA)
  • 55” QN90B Neo QLED 4K TV (QN55QN90BAFXZA)
  • 65” QN90B Neo QLED 4K TV (QN65QN90BAFXZA)
  • 75” QN90B Neo QLED 4K TV (QN75QN90BAFXZA)
  • 85” QN90B Neo QLED 4K TV (QN85QN90BAFXZA)

How to remove black bars QN85B and QN90B

If you are seeing black bars on the edge of your Samsung QN85B or Samsung QN90B, then it is due to the content being displayed in a different aspect ratio.

Both of these television series have a native 16:9 aspect ratio. So, if you are watching or playing something that is 4:3 then the TV will end up displaying black bars.

In order to remove black bars, you can change the display size of the external device if you are using one to watch a video or play a game.

You can also change the picture size on your QN85B or QN90B by taking the following steps:

1. Press the home button located on your remote controller.

2. Next, you need to go to Menu.

3. You then need to go to Settings.

4. Afterwards, go to All Settings.

5. You then need to go to Picture

6. You should then go to Picture Size Settings.

7. Go to Picture Size.

8. Set Picture Size to full screen.

How to remove dotted lines QN85B and QN90B

Your Samsung QN85B or Samsung QN90B may display dotted lines when it is too zoomed into a video or videogame, resulting in the edges being cut off.

In order to remove the dotted lines, you can try changing the display size through the external device if you are using one.

Otherwise, you can adjust the picture size of the Samsung Neo QLED 4K TV by doing the following:

1. Start by pressing the home button on the remote.

2. Next, you need to select Menu.

3. You then need to select Settings.

4. In Settings, select All Settings.

5. From the All Settings menu, select Picture.

6. You then need to select Picture Size Settings.

7. Afterwards, select Picture Size.

8. Finally, set Picture Size to 16:9 Standard.

LG G2 wall mount specs

The new G2 television series from LG is designed to be wall mounted. You can take a look at this guide from Seeking Tech to see how you can make sure that a wall mount bracket is compatible with this OLED TV set.

What is the LG G2?

The G2 is a television set released by LG in 2022. It comes equipped with the evo OLED panel, which will provide higher peak brightness and reduce the risk of burn-in when compared to a regular OLED screen.

This TV also uses a α9 Gen 5 processor that will enhance upscaling and sound output (as the speakers are capable of outputting virtual 7.1.2 surround sound).

When it comes to gaming, the G2 features multiple HDMI 2.1 ports in addition to support all three adaptative sync modes (GSYNC, FreeSync and Variable Refresh Rate).

LG G2 Screen Sizes

You can find a list of currently available screen sizes, as well as the model numbers, for the G2 series below:

  • LG G2 55-inch evo Gallery Edition OLED TV (OLED55G2PUA)
  • LG G2 65-inch evo Gallery Edition OLED TV (OLED65G2PUA)
  • LG G2 77-inch evo Gallery Edition OLED TV (OLED77G2PUA)
  • LG G2 83-inch evo Gallery Edition OLED TV (OLED83G2PUA)

LG G2 Dimensions without Stand

Dimensions without Stand (in inches):

  • 55” LG G2 evo Gallery Edition OLED TV: 48.1 inches x 27.5 inches x 1.1 inch
  • 65” LG G2 evo Gallery Edition OLED TV: 56.7 inches x 32.3 inches x 1.0 inch
  • 77” LG G2 evo Gallery Edition OLED TV: 67.4 inches x 38.4 inches x 1.0 inch
  • 83” LG G2 evo Gallery Edition OLED TV: 72.7 inches x 41.4 inches x 1.1 inch

Dimensions without Stand (in millimeters):

  • 55” LG G2 evo Gallery Edition OLED TV: 1221.7 mm x 698.5 mm x 27.9 mm
  • 65” LG G2 evo Gallery Edition OLED TV: 1440.2 mm x 820.4 mm x 25.4 mm
  • 77” LG G2 evo Gallery Edition OLED TV: 1712 mm x 975.4 mm x 25.4 mm
  • 83” LG G2 evo Gallery Edition OLED TV: 1846.6 mm x 1051.6 mm x 27.9 mm

LG G2 Weight without Stand

Weight without Stand (in pounds):

  • 55” LG G2 evo Gallery Edition OLED TV: 37.7 lbs.
  • 65” LG G2 evo Gallery Edition OLED TV: 50.3 lbs.
  • 77” LG G2 evo Gallery Edition OLED TV: 77.4 lbs.
  • 83” LG G2 evo Gallery Edition OLED TV: 90.2 lbs.

Weight without Stand (in kilograms):

  • 55” LG G2 evo Gallery Edition OLED TV: 17.1 kg
  • 65” LG G2 evo Gallery Edition OLED TV: 22.8 kg
  • 77” LG G2 evo Gallery Edition OLED TV: 35.1 kg
  • 83” LG G2 evo Gallery Edition OLED TV: 40.9 kg

LG G2 VESA Mounting Pattern

For a wall mount to be compatible with the LG G2 evo Gallery Edition, it will need to fit the TV’s VESA Mounting Pattern. This specification measures the horizontal and vertical distances of the four mounting screw holes located on the back of the OLED screen.

You can find the measurements below:

  • 55” LG G2 evo Gallery Edition OLED TV: 300 mm x 200 mm
  • 65” LG G2 evo Gallery Edition OLED TV: 300 mm x 300 mm
  • 77” LG G2 evo Gallery Edition OLED TV: 300 mm x 300 mm
  • 83” LG G2 evo Gallery Edition OLED TV: 400 mm x 400 mm

What wall mounts are compatible with the LG G2?

To support the LG G2, a wall mount needs to match the VESA Mounting Pattern and be able to hold the weight of the television set.

For the 55” LG G2, the mount needs to support the 300 mm x 200 mm VESA Mounting Pattern and be able to hold at least 37.7 pounds.

With the 65” version, the mounting bracket must fit into the 300 mm x 300 mm VESA Mounting Pattern and support at least 50.3 pounds.

For the 77” screen size, the mount needs to support the 300 mm x 300 mm VESA Mounting Pattern and hold at least 77.4 pounds.

When it comes to the 83” G2, the wall mount must support the 400 mm x 400 mm VESA Mounting Pattern in addition to being able to hold up to 90.2 pounds.

As for mounting types, fixed mounts will simply hold your LG G2 in a fixed position. With a tilting mount, you can tilt the screen up or down. Last but not least, a full motion mount will let you extend, tilt and swivel this OLED TV.

If you are looking for specific recommendations, then you can take a look at this guide to find the most suitable wall mount options.

How to fix sound clarity issues with Samsung QN85B and QN90B

If you are using your Samsung QN85B or QN90B Neo QLED TV to watch videos and/or play videogames, then you may notice that the sound output may not as sound clear as you may have expected.

To see how you can mark the sound output of your television set clearer, you can check out this tutorial at Seeking Tech.

Before we go on, it is important that this article is based on the following model numbers for the 2022 QN85B and QN90B television series:

  • 55” Samsung QN85B Neo QLED (QN55QN85BAFXZA)
  • 65” Samsung QN85B Neo QLED (QN65QN85BAFXZA)
  • 75” Samsung QN85B Neo QLED (QN75QN85BAFXZA)
  • 85” Samsung QN85B Neo QLED (QN85QN85BAFXZA)
  • 55” Samsung QN90B Neo QLED (QN55QN90BAFXZA)
  • 65” Samsung QN90B Neo QLED (QN65QN90BAFXZA)
  • 75” Samsung QN90B Neo QLED (QN75QN90BAFXZA)
  • 85” Samsung QN90B Neo QLED (QN85QN90BAFXZA)

1. The first step we recommend taking is to make sure that you aren’t accidentally blocking the speakers of your Samsung QN85B or QN90B. Otherwise, the blockage may have reduced some of the clarity of the sound output.

2. You can also try changing the Sound Mode of your television, by taking the following steps:

  • To begin, press the home button on the TV’s remote.
  • Next, head to Menu.
  • From the Menu, go to Settings.
  • In Settings, select All Settings.
  • You then need to go to Sound.
  • Select Sound Mode.
  • Next, you can try changing to a different mode and then test it out to see if the sound clarity is better.

2. If the audio still does not sound clear after you changed the Sound Mode, then the next step you can take is to enable Intelligent Mode, which will automatically adjust the sound output based on your surroundings.

In turn it on, you need to do the following:

  • Start by pushing the home button from the remote of your QN85B or QN90B.
  • You then need to have over to the Menu.
  • Inside of the Menu, select Settings.
  • You then have to select All Settings.
  • Next, go to General & Privacy.
  • Select Intelligent Mode Settings.
  • Go to Intelligent Mode.
  • Finally, make sure that Intelligent Mode is enabled.

3. If you enable Adaptive Sound+, your Samsung television will also optimize the sound output based on your surrounds.

In order to do so, you need to take the following steps:

  • To start off, push the home button on the remote controller.
  • Afterwards, you need to select Menu.
  • You then need to head over to Settings.
  • Next, go to All Settings.
  • In the next step, head over to General & Privacy.
  • You then have to select Intelligent Mode Settings.
  • Select Adaptive Sound+.
  • Lastly, make sure that Adaptive Sound+ is turned on.

If the sound output from your QN85B or QN90B still does not sound clear, then we recommend contacting the support team from Samsung for additional support.

How to fix cut off and distorted sound issues with Samsung QN85B and QN90B

If you are using a wired or wireless speaker/soundbar with your Samsung QN85B or QN90B Neo QLED TV, then you may notice that the sound may get cut off. You may also notice that the output may sound distorted.

To see how you can fix these particular sound problems, you can check out this troubleshooting article from Seeking Tech.

How to fix cut off sound with QN85B and QN90B

If your speaker or soundbar keeps getting cut off when connected to your Samsung television, then you can try taking the following steps:

1. If you are using a wireless speaker or soundbar, then you need to make sure that there aren’t any physical objects that may be blocking the direct line of sight between your sound device and your television set.

2. You should also make sure that you don’t have any wireless devices nearby. A Wi-Fi router, for example, will cause interference with the sound output.

In this case, you can either reposition the Wi-Fi router, soundbar and/or speaker.

3. You can also try moving the wireless soundbar or speaker closer to the television set as the distance may be too long to establish a stable connection.

4. If possible, you can also try changing the Wi-Fi connection of your router to the 5 GHz frequency.

5. You can also simply try using a wired connection when connecting the speaker or sound as doing so should be more reliable than a wireless connection.

6. If using a wired connection is still causing issues, then you should make sure that the cable is correctly connected. You should also make sure that the cable hasn’t been damaged.

How to fix distorted sound issues with Samsung QN85B and QN90B

If your speaker or soundbar is outputting distorted sounds when connected to your QN85B or QN90B, then you can try doing the following:

1. If you are using a wireless sound device, then you can try moving it closer to the TV. You should also make sure that there aren’t any physical objects or other wireless devices that may cause interference with the connection.

2. If you are using a wired sound device, then make sure that it is properly connected to the television set. You should also check to see if the cable has any damaged.

3. If you are only getting distorted sound output when watching a television channel, then it may due to a weak broadcast signal.

To check the signal level, you need to press the home button on the remote control of your QN85B or QN90B and then select Menu > Settings > Support > Device Care > Self Diagnosis > Signal Information.

If the signal is weak, then you can try reposition the antenna.

4. You can also perform a sound test.

In order to do so, start by pressing the home button on the remote and then go to Menu > Settings > Support > Device Care > Self Diagnosis > Sound Test.

How to fix muted or no sound issues with Samsung QN85B and QN90B

When using your Samsung QN85B or QN90B Neo QLED television set, you may not hear any sound. To see how you can fix this issue, you can check out this troubleshooting guide from Seeking Tech.

1. The first step we recommend taking is to try changing the channel, watching another video or playing another game as the muted audio may be related to the content instead of your television screen.

2. If you have an external box, like a streaming box or game console, connected to your television set, then make sure that you didn’t accidentally mute the volume of these devices.

3. Of course, you should also make sure that you didn’t mute the sound of your QN85B or QN90B.

4. You can also try disconnecting and then reconnecting any video cables you have on your Samsung television set. When reconnecting, make sure that the connection is tight and secure.

5. You can try rebooting the connected device, as well as you television set, as doing so will reset the connection and potentially fix any temporary bugs that may have been causing the muted audio.

6. Furthermore, make sure that nothing is plugged into the headphone jack of your TV.

7. If you are using your QN85B or QN90B as a computer monitor, then make sure you set up the audio output settings of your computer correctly.

8. You should also check out the Sound Output settings of your Samsung television set to see if you have it set up correctly.

In order to do so, you need to press the home button on the remote controller and then head to Menu > Settings > All Settings > Sound > Sound Output.

9. If you are using the HDMI eARC, then we recommend that you try changing the Digital Output Audio Format to Pass-Through.

To find the menu, you need to press the home button on the remote controller and then select Menu > Settings > All Settings > Sound > Expert Settings > Digital Output Audio Format.

10. If your soundbar or A/V receiver supports HDMI eARC but not Dolby Digital+, then the sound will be muted.

In this case, you need to press the home button of the remote for your QN85B or QN90B and then go to Menu > Settings > All Settings > Sound > Expert Settings > Digital Output Audio Format. Afterwards, select Auto.

11. If you are still getting no sound when using your QN85B or QN90B after trying all of the aforementioned steps, then we recommend contacting Samsung for additional support.

What to do when Samsung QN85B or QN90B isn’t turning on

The QN85B and QN90B are the latest Neo QLED Television Sets released by Samsung in 2022. If your TV isn’t turning on, then you can take a look at this troubleshooting guide from Seeking Tech to see what you can do in order to potentially fix your problem.

Before we start, it should be noted that this article is going to be based on the following screen sizes of the QN85B and QN90B series:

  • 55” QN85B Neo QLED 4K UHD TV(QN55QN85BAFXZA)
  • 65” QN85B Neo QLED 4K UHD TV (QN65QN85BAFXZA)
  • 75” QN85B Neo QLED 4K UHD TV (QN75QN85BAFXZA)
  • 85” QN85B Neo QLED 4K UHD TV (QN85QN85BAFXZA)
  • 55” QN90B Neo QLED 4K UHD TV (QN55QN90BAFXZA)
  • 65” QN90B Neo QLED 4K UHD TV (QN65QN90BAFXZA)
  • 75” QN90B Neo QLED 4K UHD TV (QN75QN90BAFXZA)
  • 85” QN90B Neo QLED 4K UHD TV (QN85QN90BAFXZA)

1. The first step that you may want to take is to make sure that your Samsung QN85B or Samsung QN90B is securely plugged into the power outlet as a loose connection may not be enough to power your Neo QLED.

2. You should also check for any potential damage on the power cable.

3. Furthermore, there is a possibility that the power outlet you are using may be damaged. In this case, you can try using a different power outlet.

4. If your TV still isn’t turning on after you make sure that it is connected properly to the power outlet, then the next step you can take is to try to press the power button that is located directly on the screen.

If the TV turns on, then you issue may be related to the TV remote. In this case, make sure that the remote has power and is able to communicate with your QN85B or QN90B. We recommend that you remove any physical objects that may be blocking the line of sight between the remote and television screen.

5. If you are trying to watch something or play a videogame from a connected device, then you should make sure that the device is turned on.

6. If you are using the One Connect Box, then make sure that it is properly connected to your QN85B or QN90B.

7. You can also try disconnecting any HDMI cables and then try to turn on your TV.

8. If none of the aforementioned potential solutions helped with powering on your QN85B or QN90B, then we recommend contacting Samsung for additional support.

If your TV is not powering on due to a hardware issue, then you may need to send it in to get repaired or replaced.

LG B2 wall mount specs

The B2 is part of a new line of OLEDs released by LG in 2022. If you want to mount this TV on a wall, then you can take a look at this wall mount bracket compatibility guide from Seeking Tech.

What is the LG B2?

The B2 series comes with a self-lit OLED screen that should display perfect black levels in addition to an infinite contrast ratio. It will also convert videos to HDR by using Dynamic Tone Mapping.

As for sound, this LG television is also capable of outputting 5.1.2 channel sound trough the built-in speakers. Furthermore, Dolby Atmos is supported.

For gaming, the B2 supports GSYNC, FreeSync and a 120 Hz refresh rate. Not to mention that GeForce Now and Stadia apps come pre-installed with this television set if you want to play games over a streaming service.

LG B2 Screen Sizes

Currently, the B2 series is available in 55-inch, 65-inch and 77-inch screen sizes. You can find the model number for each version below:

  • 55-inch LG B2 4K Smart OLED TV (OLED55B2PUA)
  • 65-inch LG B2 4K Smart OLED TV (OLED65B2PUA)
  • 77-inch LG B2 4K Smart OLED TV (OLED77B2PUA)

LG B2 Dimensions without Stand

Dimensions without Stand (in inches):

  • 55″ LG B2 4K Smart OLED TV: 48.3 inches x 27.9 inches x 1.8 inch
  • 65″ LG B2 4K Smart OLED TV: 57 inches x 32.8 inches x 1.8 inch
  • 77″ LG B2 4K Smart OLED TV: 67.8 inches x 39.1 inches x 2.2 inches

Dimensions without Stand (in millimeters):

  • 55″ LG B2 4K Smart OLED TV: 1228 mm x 708 mm x 46.9 mm
  • 65″ LG B2 4K Smart OLED TV: 1449 mm x 832 mm x 46.9 mm
  • 77″ LG B2 4K Smart OLED TV: 1723 mm x 992 mm x 55.3 mm

LG B2 Weight without Stand

Weight without Stand (in pounds):

  • 55″ LG B2 4K Smart OLED TV: 18.9 lbs.
  • 65″ LG B2 4K Smart OLED TV: 24 lbs.
  • 77″ LG B2 4K Smart OLED TV: 26.7 lbs.

Weight without Stand (in kilograms):

  • 55″ LG B2 4K Smart OLED TV: 8.6 kg
  • 65″ LG B2 4K Smart OLED TV: 10.9 kg
  • 77″ LG B2 4K Smart OLED TV: 12.1 kg

LG B2 VESA Mounting Pattern

In order for your B2 television set to be installed on a wall mount bracket, the VESA Mounting Patterns need to match. For the uninformed, this specification measures the horizontal and vertical distances of the four screw holes on the back of the television that you need in order to install the screen to a mounting bracket.

The 55” and 65” screen sizes use the same patterns while the 77” screen size use a wider pattern.

You can find the measurements for all screen size options of the B2 below:

  • 55″ LG B2 4K Smart OLED TV: 300 mm x 200 mm
  • 65″ LG B2 4K Smart OLED TV: 300 mm x 200 mm
  • 77″ LG B2 4K Smart OLED TV: 400 mm x 200 mm
VESA Mounting Pattern (example from different TV).

What third-party wall mounts are compatible with the LG B2?

When looking for a third-party mount, you need to make sure that it supports the 300 mm x 200 mm VESA Mounting Pattern of the 55-inch or 65-inch LG B2 4K Smart OLED TVs. For the 77-inch version, the mount needs to support the 400 mm x 200 mm VESA Mounting Pattern.

Furthermore, the mounting bracket needs to have a weight capacity limit that exceeds 18.9 pounds for the 55” version, 24 pounds for the 65” version and 26.7 pounds for the 77” version of the B2.

As for the wall mount type, a fixed mount is the most affordable option as it is designed to simply hold your B2 up on a wall in a fixed position. With a tilt mount, you can tilt the OLED screen up or down for better viewing angles and to eliminate glares. Last but not least, a full motion mount will let you extend, tilt and swivel your LG television.

If you are looking for specific product recommendations, then you can check out this guide to find what are the most suitable options for the LG B2.

Resource:

How to fix Samsung QN85B and QN90B inaccurate color issues

When watching videos and/or playing games on your Samsung QN85B or QN90B Neo QLED 4K TV, you may notice that the colors may look off.

You can take a look at this troubleshooting article from Seeking Tech to see how you can potentially fix inaccurate display colors with both of these television sets.

Before we begin, it should be noted that this guide is going to be based on the following model numbers:

  • 55” Samsung QN85B Neo QLED (QN55QN85BAFXZA)
  • 65” Samsung QN85B Neo QLED (QN65QN85BAFXZA)
  • 75” Samsung QN85B Neo QLED (QN75QN85BAFXZA)
  • 85” Samsung QN85B Neo QLED (QN85QN85BAFXZA)
  • 55” Samsung QN90B Neo QLED (QN55QN90BAFXZA)
  • 65” Samsung QN90B Neo QLED (QN65QN90BAFXZA)
  • 75” Samsung QN90B Neo QLED (QN75QN90BAFXZA)
  • 85” Samsung QN90B Neo QLED (QN85QN90BAFXZA)

1. The first step you can take is to try resetting the picture settings.

In order to do so, you need to press the home button on the remote controller and then head to Menu > Settings > All Settings > Picture > Expert Settings > Reset Picture.

2. You can also try disabling the Brightness Optimization setting by first pressing the home button on the QN85B or QN90B remote and then selecting Menu > Settings > All Settings > General & Privacy > Power and Energy Saving > Brightness Optimization.

Afterwards, make sure that Brightness Optimization is currently turned off.

3. We also recommend that you disable Brightness Reduction, which you can do by pressing the home button on the remote and then going to Menu > Settings > All Settings > General & Privacy > Power and Energy Saving > Brightness Reduction.

You should then make sure that Brightness Reduction is turned off.

4. If the colors still do not look right, then you may want to change the picture mode of your Samsung QN85B or QN90B.

In order to do so, you need to press the home button and then go to Menu > Settings > All Settings > Picture > Picture Mode.

5. You can also try manually adjusting several expert picture settings.

To do so, you need to press the home button on the remote and then head to Menu > Settings > All Settings > Picture > Expert Settings.

You can then try changing the following from the Expert Settings menu in order to get more accurate colors:

  • Contrast
  • Brightness
  • Sharpness
  • Color
  • Tint (G/R)

6. We also suggest that you perform a picture test by first pressing the home button on the remote control and then going to Menu > Settings > Support > Device Care > Self Diagnosis Picture Test.

If the test shows that there is nothing wrong with your QN85B or QN90B screen, then the inaccurate colors may be caused by the device that is connected to your TV.

In this case, you should refer to the instruction’s manual of the connected device to see what you can do in order to get better colors.

How to prevent Samsung QN85B or QN90B from turning off by itself

When using your QN85B or QN90B, you may notice that the Samsung Neo QLED 4K Television Set may randomly turn off by itself.

To see how you can stop this phenomenon from happening, you can take a look at this troubleshooting guide from Seeking Tech.

To begin, we should note that this article is based on the following versions of the QN85B and QN90B:

  • 55” QN85B Neo QLED (QN55QN85BAFXZA)
  • 65” QN85B Neo QLED (QN65QN85BAFXZA)
  • 75” QN85B Neo QLED (QN75QN85BAFXZA)
  • 85” QN85B Neo QLED (QN85QN85BAFXZA)
  • 55” QN90B Neo QLED (QN55QN90BAFXZA)
  • 65” QN90B Neo QLED (QN65QN90BAFXZA)
  • 75” QN90B Neo QLED (QN75QN90BAFXZA)
  • 85” QN90B Neo QLED (QN85QN90BAFXZA)

1. The first step we recommend taking is to make sure that your QN85B or QN90B is properly plugged into the power outlet.

2. You can also try using a different power outlet to see if the random shut downs are still occurring.

3. Moreover, you need to make sure that Sleep Timer isn’t being used. This feature will automatically shut down your QN85B or QN90B at a set time of the day.

In order to disable it, you need to take the following steps:

  • Press the home button on the remote for your television set.
  • Select Menu.
  • Select Settings.
  • Select All Settings.
  • Select General & Privacy.
  • Select System Manager.
  • Select Time.
  • Select Sleep Timer.
  • Lastly, make sure that Sleep Timer is turned off.

4. Auto Power Off may also be causing your Samsung Neo QLED to turn off.

To remove this feature, you need to do the following:

  • Press the home button on the remote controller of your TV set.
  • Next, you need to go to Menu.
  • Go to Settings.
  • Go to All Settings.
  • Go to General & Privacy.
  • Got to Power and Energy Saving.
  • Go to Auto Power Off.
  • Finally, you need to make sure that Auto Power Off is disabled.

5. The Off Timer may also be causing your Samsung QN85B or QN90B to seemingly shut down at random.

In order to stop this from happening, you need to take the following steps:

  • Start by pressing the home button on the remote of your Samsung TV.
  • Next, you need to head to Settings.
  • Head to All Settings.
  • Head to General & Privacy.
  • Head to System Manager.
  • Head to Time.
  • Head to Off Timer.
  • Lastly, make sure that the Off Timer has been disabled.

6. If your QN85B or QN90B is still randomly shutting down after you try all of the aforementioned potential solutions, then we recommend contacting Samsung for additional support.

How to fix dimming and flickering issues with Samsung QN85B and QN90B

When using the Samsung QN85B or QN90B Neo QLED 4K Smart Television Sets, you may experience dimming and/or flickering problems.

To see how you can fix these issues for the 55-inch, 65-inch, 75-inch and 85-inch screen sizes of both models, you can take a look at this troubleshooting article at Seeking Tech.

In order to fix the dimming and flickering problems with your Samsung QN85B or QN90B, you can try doing the following:

1. The first step you can take is to try turning off your QN85B or QN90B and then turn it back on again.

2. You can also try unplugging your TV set from the power outlet, wait a few minutes, and then re-plug it back into the power outlet.

3. You should make sure that the HDMI and other cables aren’t damaged and are properly connected to your Samsung television set.

4. If your screen is still dimming or flickering, then you can try to disable Brightness Optimization by first pressing the home button on your remote controller.

You then need to select Menu > Settings > All Settings > Power and Energy Saving > Brightness Optimization.

Afterwards, make sure that the Brightness Optimization feature is turned off.

2. You can also try disabling Brightness Reduction by pressing the home button on the TV remote and then going to Menu > Settings > All Settings > Power and Energy Saving > Brightness Reduction.

Finally, make sure that the Brightness Reduction setting is disabled.

3. You should disable Motion Lighting as well.

In order to do so, press the home button on the remote and then select Menu > Settings > All Settings > Power and Energy Saving > Motion Lighting.

Next, you need to make sure that Motion Lighting has been turned off.

4. Moreover, you can also try turning off Contrast Enhancer by pressing the home button on the remote and then selecting Menu > Settings > All Settings > Picture > Expert Settings > Contrast Enhancer.

You then need to make sure that you have Contrast Enhancer disabled.

5. You can also try running the Picture Test to see if the dimming and/or flickering is related to your Samsung Neo QLED TV or with the connected device.

In order to run a test, press the home button on the remote and then go to Menu > Settings > Support > Device Care > Self Diagnosis > Picture Test.

If the screen appears to be operating normally, then the dimming or flickering may be related to the input device you have connected to your television set.

In this case, you can either connect a different device or refer to the user manual of the troublesome device to see how you can get rid of the dimming and/or flickering.

6. If your television set is still flickering and/or dimming after trying all of the aforementioned solutions, then we recommend contacting Samsung for additional support.

The cause for these screen issues may end up being hardware related, which means that your TV may need to be repaired or replaced.