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15
Troubleshooting
Having trouble completing the guided setup? Don’t worry, it’s usually an easy fix.
8K Picture Quality
• For streaming services that support 8K resolution,
check with the content provider for network
bandwidth requirements to support 8K resolution
streaming.
• For devices like game consoles and computer
graphics cards that are capable of supporting 8K
resolution, make sure the device has the latest
software that supports 8K resolution output and
make sure that the game title or program is also
capable of supporting 8K resolution.
•
•
When connecting to devices that support 8K
resolution output, make sure to use an HDMI
cable that is marked as a certified “Ultra High
Speed HDMI Cable”. Older HDMI cables are not
capable of supporting 8K resolution, so only the
latest ultra high speed HDMI cables are required
to support 8K or even 4K / 120Hz.
Cannot connect to wireless network (WiFi)
• Select the correct wireless network name and
verify the password entered (case sensitive).
• Relocate the router from objects that interfere
with performance (cordless phones, baby
monitors, etc.).
• Reboot the router by disconnecting the power
for more than 2 minutes and reconnect.
Problems connecting my cable/satellite
box or antenna through a coax cable
• Make sure the cable connections to the TV and
your device are securely fastened.
• Select cable/satellite box or antenna TV input.
• Select “start finding channels” and follow the
on-screen instructions to perform a full
channel scan.
•
For best performance, use the HDMI connection.
If not available, then:
What is the remote code for programming
my Universal or Cable/Satellite box
remote control
Providers Codes for TCL Roku TVs
ATT U-verse 1346
Charter
2
/ Spectrum 11756
Comcast
3
11756
DIRECTV 11756
DISH 1756, 535
Time Warner / Spectrum 387, 1566, 268
Don’t see your provider listed, visit go.tcl.com/codes
1-877-300-9509
Need more help?
support.tcl.com/us
How do I turn the Text-to-Speech (TTS)
audio guide on or off?
• Press “*” key on the remote controller four times to
Select “Settings” at home screen
Select “Accessibility”
Or
1.
2.
3.
*
My picture is too small (black bars on the side)
• Play your movie/video and press the (*)
asterisk button.
•
Select Picture Size, select the picture size of
your preference.
How to install the Remote Control
Mobile App
• Download the Roku app to your phone or tablet
through Google Play or Apple App Store.
• Simply search for “Roku App” and choose the
Roku app by Roku Inc.
• Follow the onscreen prompts and you’re on
your way!
The free Roku app allows you to use your mobile
device as a full functioning remote control with
voice search & keypad.
https://go.tcl.com/tts-roku
Make sure that the TV is set to receive HDMI 2.1
signals by checking the menu setting under
Settings / TV Inputs / HDMI Mode / select either
“auto” or “HDMI 2.1”.
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