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This is a detailed troubleshooting guide, focused on the most common problems that are reported by customers.

Boot Sequence


Stage 1 - Chip Booting [3 seconds]

As soon as you power up the Player, there is a 3-second delay because of booting. During this stage, nothing is shown on screen. This occurs on purpose, to allow the Player to auto-detect the connected screen in case there is a power failure affecting all equipment. The delay allows the screen to boot” first so that the Player can then detect the screen’s resolution.

Stage 2 - Firmware Booting [2 seconds]

The first picture that appears on screen is a multi-colored rectangular test image, shown for just 2 seconds. This indicates that the CPU has loaded the firmware and will commence booting right after.

By confirming that this screen is shown on boot, you confirm that:
  • The SD card is plugged in properly and read by the Player.
  • The Player is powered properly, at least with enough power for this stage.
  • The booting stage works and the next stage will (probably) work.
  • The screen is correctly connected to the Player, and colors appear normal.


Stage 3 - Bootloader Booting [3 seconds]

Right after the previous stage, a Searching for USB drives…” text message should appear in the top-left corner of the screen.
At this stage, if the Player detects a USB flash drive connected that has the zip file with the software image inside, it will re-write the whole software from scratch on the SD card. Check out the Recovery Procedure for exact details about this.
After the word done” appears right next to the dots, then you might see an error message. If the error is automatically recovered, then the boot sequence will proceed to the next stage. If there is an error message and the sequence stops here, then you need to use the Recovery Procedure to recover your Player.

Stage 4 - Boot Logo / Loading [3-15 seconds]

In this stage, the full-screen logo appears and a blinking message saying Loading” will eventually appear in the bottom-right corner of the screen. At some point, the full-screen logo will disappear and the screen will turn black, with the Loading” message still blinking. At some point, the Loading” message will stop and Playback will commence.
If the sequence stops at any time in this stage, then this error might be recoverable remotely by our Support Team.
Please note that if the black screen at the end of the boot sequence remains, then this does not indicate a problem with the boot sequence. Instead, you should check the corresponding paragraph that describes how to investigate an unexpected black screen.

Status Messages in the Lower-Right Corner of the Player’s Screen

These blinking messages provide good insight into the status of the player and might be useful for troubleshooting. These messages are located in the bottom-right corner of the screen.

“Loading”

Indicates that the Player’s software is being loaded and starting up.

“Configuring”

Indicates that the Player has to be reconfigured and that the new configuration is being applied. Note that re-registration might cause a re-configuration.

“Downloading”

Indicates that the Player has received some update in the Scheduling information and/or Media changes, and it is now downloading the new Media required. Note that a fresh version of the Scheduling information (called Schedule File”) is issued automatically every 15 days, so this message might appear for a few seconds every 15 days.
After the download is complete, playback is restarted.

“Updating”

Indicates that the Player has been alerted for a software update and is in the process of trying to update. A device might be updated in 3 cases:
  • When a device boots for the first time and comes online. If the device is an older version, then it updates at that point. Note that there is no need to register the device for it to update.
  • Regular software updates: Issued every 6 weeks on Tuesdays.
  • Emergency software updates: Issued on important hot-fixes that cannot wait until the next scheduled release, and might happen at any time (happens 1-2 times a year).
Updates take from 2 minutes to up to 30 minutes, depending on the size of the update and the network bandwidth. If a device is in an Updating” state for more than 1-2 hours, then this likely indicates an error in the update process that needs remote manual intervention to be recovered. Errors with updates might happen due to many factors, with the most common ones being:
  • The update process was interrupted. This usually happens on 1st boot.
  • There is some network filtering that does not allow the update process to download all the required updates.


Error Messages on Player’s Screen

In this section, all error messages that appear on the Player’s screen are described.

Blank Screen

Please note that the black screen is not an error message. Find and read the corresponding section on the Black Screen issue.

“Running startup diagnostics”


This error message is shown on boot only. After 2 minutes, if there is a valid schedule file and media stored in the Player, playback will start based on the already downloaded data. This message is an important troubleshooting method to identify a) the network details of the device and b) the reason that the device does not have internet access.

“Invalid Schedule File”


This error message is shown in a few cases:
  • The Player has been offline for more than 30 days. It might take up to 45 (or even more) days for the Player to stop Playback. If the Player is rebooted, it might restart playback for up to 1 hour and then change to that message again. This is the most common cause for this message. Check the Last Online” date in the Portal to verify that the Player has been offline for over 30 days in order to confirm that this is the cause of the message.
  • The Player has been deleted from an Account and has been registered to another Account. In this case, the message should go away after the Player downloads the latest schedule file and media from the cloud.
  • The storage of the Player (SD card) has been interchanged from another Player. In this case, the message should go away within 2 minutes after the device is online, and a Registration Code message should appear.

The below message will be displayed on the bottom right side of your TV screen 3 days before the Schedule file gets expired. 


“Registration Code”


For a newly imaged Player to be registered with the Service, the user needs to enter the Registration Code of the device in the Monitor section of the Portal. Besides this typical case, if the SETTINGS.txt” file is modified, or the SD card has been changed for the specific Raspberry Pi, then the device needs to be re-registered.

“Device Deactivated”


The Device Deactivated” message appears when the Monitor in the Account has been disabled because the Quota (maximum number of Monitors for the Account) has been lowered. If a Player is deactivated because the Quota has been lowered, then the Player displays the Device Deactivated” message.
Note that if the Monitor is deleted, then a Registration Code message appears, not a Device Deactivated” message. Only when the Monitor is automatically disabled because the Quota has been lowered could the Device Deactivated” message appear.

“Could Not Get Video from YouTube”


There are cases when a YouTube video cannot be downloaded. This might happen due to several reasons:
  • Random network issue
  • Slight changes to the YouTube site, making it impossible for the software that Yodeck uses internally to download some videos.
  • Blocking of YouTube site in the Internet connection that the Player is using to access the Internet.
In the case that a YouTube video cannot be downloaded, a message saying Could Not Get Video from YouTube” is displayed instead of the Video itself.

Overview of Network Issues


WiFi Configuration

The recommended way to configure WiFi is to do so through the Portal with the device connected via Ethernet. If this option is not available, then you will need to use the Manual Configuration guide to type in the details of the WiFi directly in the configuration file of the Player.

HTTP Proxy

HTTP Proxies can cause trouble in network communications. Transparent HTTP Proxies cause issues with SSL certificates. Other proxies might also incorporate web filtering, blocking some types of files or sites (e.g. downloading video files or the YouTube site).

SSL Certificates

SSL is used in HTTPS for secure communications. SSL Certificates are checked by the Player, so having custom certification not signed by a well-known CA can cause headaches. If an organization employs its own certificates or CA, then this needs to be stored in the Player, so that communications can be flawless.

DNS Servers

By default, Players also use Google DNS in addition to local DNS entries. This is to allow for easier configuration and so as not to rely on local DNS servers or relays. This behavior can be disabled through the UI. Some networks block outbound DNS queries towards the Internet (see Google DNS), so this makes it impossible for the Players to work correctly without the proper configuration first.

DHCP vs Static IP

DHCP is another source of trouble in really crowded networks. Leases might be retained and collisions might occur. Players are an embedded 24/7 device, it might be difficult to recover from a DHCP issue. So, in crowded networks where IP addresses are crammed, it might appear like the device conflicts with other devices.

WiFi HotSpots

Hotspots have what is called a captive portal. This is a web page that you get redirected to initially to accept the Terms of Use for the WiFi network. Then, your computer is allowed to go online.
This type of interactivity is not possible with an embedded device. The administrator of the network must set the captive portal to allow for the MAC addresses of the Player to directly access the Internet without any captive portal acknowledgment.
Players currently support WPA-PSK, WEP, and Open Standards. The embedded adapter works on 802.11 b/g/n networks at 2.4GHz. 802.11a or 5GHz networks won’t work with the embedded WiFi adapter. WPA Enterprise can be configured but needs to be done manually on each Player by the support team.

Remote Support Access (VPN)

Players are connected 24/7 to our remote access service (VPN). You have the option to deactivate that for each Player individually.

SSH Service

SSH is the only active service enabled on the Player.

Device Firewall

The Players have a software firewall embedded that filters inbound traffic to everything besides SSH. In case any third-party software needs inbound communication, this must be set up.

HDMI-in Multicasting

The HDMI-in adapter (LKV373A), like many IP streaming adapters, does IP Multicasting of video data. For most simple networks, this means that the video data is broadcast in the local network. This might cause delays in the network or even excessive usage behavior.

Player Shows a Black Screen

  1. If the Player is Online” in the Portal, check the last screenshot to see what should be showing.
    1. Check the date that the screenshot was last taken, to make sure the screenshot is fresh. You may have to wait up to 3 minutes to make sure that the screenshot is not being updated. If the screenshot is old, then the Player is probably having some networking issues.
    2. Make sure the screen is powered on.
    3. Make sure the screen is set to the proper HDMI input. Perhaps someone changed the selected HDMI input and nothing is shown.
    4. Make sure the HDMI cable is connected on both sides.
    1. Check that the Assigned Schedule and Default Content for the specific Monitor in the Yodeck Portal has some content. If unsure, then:
      1. If the Downloading” message is flashing on the screen for more than 5 minutes, then there is some Network Issue.
      2. If the screen stops being black, then there is some scheduling/content problem. Investigate the Assigned Schedule and Default Content to make sure what content should be shown. To check Schedules, also confirm that the timezone is correct (both for the specific Player as well as for the User Account). Make sure you check expiration times for content.
      1. Note down the current Assigned Schedule and Default Content.
      2. Create a new Show with a simple full-screen Image that does not have an expiration start/end date.
      3. Select None” as the Assigned Schedule and select the newly created Show as the Default Content”.
      4. Push to Players and wait to see what happens.
    1. If the screenshot has some content that is not black, then:
    2. If the screenshot appears black, then:
    3. Try rebooting the device (locally or remotely), while keeping an eye on the screen. If the multicolored rectangle appears on the screen, along with the boot logo, then the Player works, but cannot playback content. If after a reboot the Player stays online on the Portal, you should contact support.
  2. If the Player is Offline” in the Portal, then this cannot troubleshoot easily. We need to make sure that the device just has some temporary difficulty getting online or has some internal failure.
    1. Make sure the screen is powered on. If the TV is being turned off, then the Turned Off” show might have been scheduled in the past and does not work properly now because the device was offline and doesn't have an accurate clock.
    2. Make sure the screen is set to the proper HDMI input. Perhaps someone changed the selected HDMI input and nothing is shown.
    3. Make sure the HDMI cable is connected on both sides.
    1. Check the Last Seen Online date: If the date is older than 30 days, there is a strong chance that the device has been automatically disabled due to excessive timeout.
    2. Do a pre-check with the basics:
    3. Try to reboot the device and see if it gets online. Otherwise, record the error message and try to troubleshoot using that.


Player Stops at Black Screen with Small Text/Code (boot sequence)

Usually, this indicates a problem with the software. This might be due to a recoverable software corruption, or a storage (SD card) corruption. 
  1. First, try rebooting to see if the error happens repeatedly. If at any point the device is seen as online in the Portal, then the remote access can help recover the device remotely. 
  2. If the device is offline and continues to have the same status, then try using the Recovery Procedure through the USB Flash drive. If the USB Recovery Procedure works without error messages, then this should have solved the problem.
  3. If the procedure issued any warning messages, or if the Player failed to boot after completing the procedure, or if the device has the same issue within 5-10 days from the recovery, then this is probably a permanent corruption of the storage medium (SD card), which will need a replacement.

Player Does Not Turn On

  1. First, make sure that that the Player indeed is the problem and not the screen. There are 2 LED indicator lights on the Player, right next to each other. One should be lit solid when the Player is connected to power, the other one should be blinking at random intervals when the Player works normally. If both have the expected behavior, then, before doing anything else, follow the steps for the Player Shows a Black Screen”. If that troubleshooting does not solve the issue, continue with the steps below.
  2. For the 2 LED indicator lights described above:
    1. Make sure you see the power LED light permanently lit. Otherwise, there is some issue with power not reaching the Player.
    2. If the other LED light is off for more than 20 consecutive seconds, then the Player has some kind of problem.
  3. Try rebooting (power-cycling) the Player. If the LED lights continue to behave as above (1 LED on, the other one-off for more than 20 seconds), then the issue is confirmed. Try the following:
    1. Make sure that the SD card is secured in place. Try removing and replacing the SD card.
    2. Try using a different PSU.
    3. Try unplugging the screen, and then power-cycling. Some screens are not grounded properly and this might cause issues with power.
    4. Try using a different SD card.


Clicking Push to Players” does not change Playback on Players

  1. If the Player is Online” in the Portal, then a Push might take up to 3 minutes to occur on screen.
  2. If the Player is Offline” in the Portal, then there is no way for the Player to receive the Push” command. This is a Network Issue, so please see other procedures that deal with networking and an Offline” state.
  3. Clicking Push to Players” should restart playback on all affected devices. Try using a Force Push (clicking the Push” button while gray). This should restart playback on all Players. If you want to troubleshoot a specific Player, there is a button called Push Again to this Monitor” in each Monitor entry in the Portal. This button should trigger a playback restart. This way, you can identify if there is a working communication between the Player and the Portal. If Playback does not restart within 3 minutes AND you do not see the Downloading” message in the bottom-right corner, then there is some network issue. If Playback does restart but it does not show what the user wants, then this is some sort of scheduling issue. Try doing the following:
    1. If the Downloading” message is flashing on the screen for more than 5 minutes, then there is some Network Issue.
    2. If the screen stops being black, then there is some scheduling/content problem. Investigate the Assigned Schedule and Default Content to make sure what content should be shown. To check Schedules, also confirm that the timezone is correct (both for the specific Player as well as for the User Account). Make sure you check expiration times for content.
    1. Note down the current Assigned Schedule and Default Content.
    2. create a new Show with a simple full-screen Image that does not have an expiration start/end date.
    3. select None” as the Assigned Schedule and select the newly created Show as the Default Content”.
    4. Push to Players and wait to see what happens.
  4. There is a case with web filtering where the Player might appear as Online” in the Portal and still be unable to download content. This can only be investigated through the command-line and advanced troubleshooting. Make sure that the network has no Transparent HTTP Proxy or Web Filtering of any sort.


The Player is Offline”, while connected to the Internet

  • Are there any HTTP Proxies on the network? HTTP proxies can cause problems with communication. You will need to get someone from your IT department or network to retrieve more information.
  • Is there any filtering or outbound connection firewall? If yes, try adding an exception for the MAC address of the Player. MAC addresses can be retrieved by booting the Player without any network connected (the Portal Connection error message will appear with data on the MAC and IP addresses).
  • Confirm that the Internet connection is up and running.
  • Try rebooting the Player. If it comes back online and then back offline after 15-20 minutes or more, then this can be investigated remotely while the player is online.
  • If you are using a WiFi connection try using a wired connection for the remote support team to investigate the issue.


YouTube Videos are not working

Check the section regarding the Cannot download YouTube video” screen message.

Downloading Takes too Long

Excessive time for downloading a video can indicate that there is a network issue with the Player. If bandwidth is extremely bad, it can cause the download process to completely fail and not be able to complete the download no matter what, after any amount of time has passed.

There is an icon in the top-right corner of the screen

There are two types of warning icons that can appear in the right-hand corner of the screen when the Player is not functioning optimally.
Let's have a look at their significance and how you can troubleshoot these problems:

1. Lightning / Thunderbolt / Thunder Icon

  
This is an indication that power supply is unstable, the player is under-powered and this situation could lead to corruption of the SD card and overall instability. It would be best, in this case, to change the power adapter as soon as possible.
The Raspberry Pi 2 needs a 5V/2A power adapter, whereas the Raspberry Pi 3 needs a 5V/2.5A power adapter.

2. Temperature / Thermometer Icons

  
  
The thermometer icons mean that the Player's main chip is hotter than normal.
The half-red thermometer icon means that the Player's chip temperature is between 80 and 85 and the Player will throttle the CPU (decreasing performance) in an effort to keep the temperature below 80.
The completely red thermometer icon means that the Player's chip temperature is above 85 and the Player will throttle both the CPU and GPU (decreasing performance even further) in an effort to keep the temperature below 85.
Why the overheating? Most probably, content pushed to players is somehow too heavy. You might not realize it, but adding too many Playlists, or transparent content, might put too much of a burden on the Player.
What can you do? Here are some possible solutions:
  • Try removing some content, combine multiple Widgets into single Widgets, or reach out to our support team and ask for help in order to optimize your Show or content in general.
  • Add a passive heat-sink. They are really cheap. Note that our Playboxes come pre-installed with a heat-sink.
  • Try using a metal case instead of a plastic one. If using a case with a cover (like the Official Raspberry Pi case we ship over with our Playboxes), try removing the cover to allow the chip to cool.
  • Place the Player in a well-ventilated space.
You can override standard behavior and disable both icons. Make sure that you understand the risks of doing so.
  • Go to the "Monitors" list and edit the monitor in question.
  • Click on the "Advanced" tab.
  • Make sure the "Allow Raspberry config.txt Override" toggle is set to "ON".
  • In the "Raspberry config.txt Override Directives" text area, you will have to enter the following configuration line:
avoid_warnings=1
  • After you are finished, click the "Save" button.
  • The Player will reboot, and you are set to go.
Keep in mind that we do not recommend that you remove the warning icons without troubleshooting. You should investigate and remedy the issue, rather than hide the warnings.

Recovering your Player through a USB flash drive

The Player is resilient to hardware and system failures. But, as with any device, there is a slight chance that the Player may fail.
In the case of a software failure, you might be able to recover your Player by "reflashing" it with the latest software. Reflashing will erase all of the content inside the Player (re-writing the whole SD card from scratch). Your settings will be retained, so your Player should re-apply all settings in the system, re-download all content required and resume playback without you doing anything.
If you are an advanced user, keep in mind that the only thing retained from the existing content is the "SETTINGS.txt" file containing all settings. Any manual changes you have made to the image through the command line will be lost (e.g. manually changing passwords, changing config.txt manually, adding other software, etc).

Resetting Settings before Recovery

The recovery procedure retains your Player's settings. If you wish to remove settings, you can also follow other instructions before following the Recovery procedure.

Preparing a USB flash drive

To perform this procedure, you will be needing a USB flash drive. Here are the requirements and some info on this:
  • It would be best to use a FAT32-formatted flash drive (most USB flash drives are by default formatted as FAT32). ext2/3/4 also works, and NTFS might also work.
  • The Yodeck Player does not change anything on the flash drive, so you can leave any other files you have on the stick.
  • Download the latest software zip file (about 800MB in size).
  • DO NOT RENAME OR EXTRACT THE ZIP FILE! Copy it (as is) into the base folder of the USB flash drive.


IMPORTANT: Some flash drives may not work properly. During start-up, the USB flash drive might not start quickly enough, so it might not be functional within the first seconds of the startup procedure, so Yodeck cannot detect it. This case is detailed below. If that is the case with your flash drive, try a flash drive of a different make/model and find one that works.

Reflashing your Player

After you have prepared a USB flash drive, follow these instructions to recover your Playbox:
  1. Plug the USB flash drive into the Playbox.
  2. Power up (or reboot) the Playbox.
  3. Upon start-up, and before showing the Yodeck logo, the Playbox always displays a message saying "Searching for USB drives..." while searching for the flash drive.
  4. If the Playbox finds the flash drive, it should display a message saying "USB drive detected".
  5. If the Playbox does not show the "USB drive detected" message, then you will need to use a different USB flash drive because the Playbox cannot detect the flash drive you used.
  6. If you have prepared correctly the USB flash drive as described above, the verification and writing procedure should start. If you get any error message, check that you have properly prepared the USB flash drive.
  7. At this point, DO NOT REMOVE POWER FROM YOUR PLAYBOX! Also, do not remove the USB flash drive! Allow the procedure at least 30' to complete.
  8. When the procedure has been completed, you will be prompted to remove the USB drive. Once you remove it, the Playbox will automatically reboot.
  9. After reboot, the Playbox will re-apply all retained settings in the system.
  10. The software might also need to be updated online, so make sure you do not unplug the Playbox to ensure everything is completed smoothly.
  11. Please allow enough time for it to perform all the required initialization procedures. Allow at least 15-20 minutes before worrying if nothing comes up.

After the procedure is completed, your Player should recover, connect to the Internet, and start downloading content. Eventually, it will start playback.

Security Notice


For the advanced IT security-aware readers:
Yodeck Playbox Image files are digitally signed. The ZIP files contain information that verifies that the specific SD card image was issued by Yodeck. You cannot perform this procedure with an arbitrary image file, so an attacker cannot inject their own code into the system just by plugging in a USB drive and rebooting.

Reset all Settings on your Player

To reset all Settings on your Player, you need to delete a file from the SD card of the Player. This will force the system to apply the default settings.
IMPORTANT: Keep in mind that if your Player requires some special network configuration in order to get online, you will lose Internet connectivity. This might render the Player unreachable and you might end up going on-site and performing a manual configuration.

For Regular Users

  1. Power off your Player (by removing the power cable).
  2. Remove the microSD card from your Player.
  3. Access the MicroSD card with your PC. You might need a microSD-to-SD card adapter, or a USB memory card reader.
  4. You will see one or more storage filesystems. On the first one (the smallest, around 100MB of space), you will find a file called "SETTINGS.txt".
  5. Delete the "SETTINGS.txt" file.
  6. Remove the microSD card from your PC.
  7. Place the microSD card into your Player.
  8. Power up your Player.
Upon start-up, the Player will apply all default settings to the system. It may require up to 10 minutes and a reboot might occur.

For Advanced Users

If you have remote (SSH) or local shell access, just issue these two commands:
sudo rm -f /boot/SETTINGS.*
sudo reboot
  Upon start-up, the Player will apply all default settings to the system. It may require up to 10 minutes and a reboot might occur.  

Video Seems a Bit Blocky/ Pixelated

Check the status tab of the Monitor’s status on the Portal. If the resolution indicated there is 640x480, then this means that the Player is running in VGA mode (640x480). This would appear as low quality, or even as a 4:3 layout with black bars above/below or on the right/left (or even both).
Try power-cycling the Player. If this fixes the situation, then this is just an issue of auto-detecting the resolution of the screen. 
The Yodeck Playbox (based on Raspberry Pi) automatically detects on start-up the "preferred" resolution of the connected monitor (usually, its native resolution). In some cases, the preferred resolution is not detected properly:
  • Powering up your Player without a screen connected.
  • Powering up your Player and screen at the same time (e.g. after a power failure). If your screen is slow on startup, it does not report its resolutions in time to the Player.
In this case, the standard VGA resolution of 640x480 is used. Rebooting your Player will resolve this issue (temporarily).
If you are having constant issues like this, then you have two options for a permanent solution:
  1. Set the resolution of the Player to a standard one. Your Player will always use this resolution, regardless of if you have attached a screen or not, or if the attached screen supports it or not.
  2. Increase the time the Player waits for detecting the screen. This delay is by default set to 3 seconds. You can increase it, to allow your screen to properly start and allow the Player to detect it. To do this:
    1. go to your Monitor entry in the Yodeck Portal,
    2. go to the "Advanced" tab,
    3. make sure the "Allow Raspberry config.txt Override" toggle is set to "ON",
    4. add the following line to the "Raspberry config.txt Override Directives", using the number of seconds that works for you:
bootcode_delay=8
      1. make sure you click the "Save" button so that the configuration you did is saved.
Reach out if you are still having problems.

The video is stretched/letterboxed

Check the status tab of the Monitor’s status on the Portal. If the resolution indicated there is 640x480, then this means that the Player is running in VGA mode (640x480). This would appear as low quality, or even as a 4:3 layout with black bars above/below or on the right/left (or even both). If this is the case, check the previous question.
If the resolution is different than the Monitor’s natural resolution, you can change that so that it better fits the actual hardware. Sometimes, resolution auto-detection might not be optimal, so manually setting it will be required.

The video is being cut-off at the edges

Check the status tab of the Monitor’s status on the Portal. If the resolution indicated there is 640x480, then this means that the Player is running in VGA mode (640x480). This would appear as low quality, or even as a 4:3 layout with black bars above/below or on the right/left (or even both). If this is the case, check the previous question.
The most usual case is overscan. Most TVs are set by default to have overscan enabled. What does this do?
If the resolution is different than the Monitor’s natural resolution, you can change that so that it better fits the actual hardware. Sometimes, resolution auto-detection might not be optimal, so manually setting it will be required.
Try uploading this image into your account and set it up to full-screen.
Here is what you should normally be seen in all 4 corners of each screen.
And here is what a screen doing overscan looks like.
Overscan will interfere with Video-Wall alignments, so you need to remove it. Use the TV menu to adjust picture settings and change the option usually referenced as P.SIZE”, Aspect Ratio”, Format”, or similar. These settings should have options like 16:9”, 4:3”, Widescreen”, Pixel Scan”, and so on. Cycle through the options to find the correct one that eliminates overscan.
Then, you need to make sure that the Players are configured with the proper orientation. If a screen in the Video-Wall is mounted vertically like a portrait or upside-down, you need to set this in the configuration of the respective Monitor in Yodeck's Portal. Screens should then reconfigure and appear rotated after a few minutes.
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