TCL 43P20US/50E17US, Operation Manual

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Chapter 6 

Other Information

5.  The video from a mobile hard disk (USB) is 

playing with no sound.

-

The audio format of the video in your mobile hard 

disk is not supported by the TV player.

6.  Some videos fail to play.

-

The formats of the videos may not be supported 

by the TV, especially videos shot by certain kinds 

of cameras, generally with their private protocol of 

formats, which are not compatible with your TV.

7.  Video stops playing midway.

-

Mistakes may occur when videos are copied or 

compressed, so they may automatically stop playing 

during playback.

8.  What should I pay attention to, when I do SW 

updating?

-

No power cuts when SW updating;

-

Avoid any operations with your remote control when 

SW updating;

-

Depending on your internet connection speed, the 

software updating process may take some time.

9.  There

are no distinct changes of TV interface 

after SW updating.

-

Under certain conditions, SW updating may not only 

update or add new functions but also improve the 

performance of the TV set, without distinct changes 

of interface. Also, there may be no changes to the 

user interface at all.

10. 

Wh

at should I do when SW updating process 

stops due to a sudden power-off?

-

If you do SW updating by USB, do not pluck the 

USB from your TV, and restart your TV to continue 

SW updating; If you do SW updating by Network, 

also restart your TV and check if it is well functioned.

11. With a USB device being inserted into the TV in 

advance, I am prompted that no USB devices are 

detected after I access Media, why?

-

There may be something wrong with your mobile 

hard disk(s), damaged or with low voltage. You could 

increase power supply by inserting the two plugs 

on one end on the USB wire into TV's USB port 

simultaneously.

12. 

External device cannot be recognized.

-

Some external devices (e.g. webcam, smart phone, 

tablet, game handle, and external wireless adapter) 

may not be compatible with the TV and cannot be 

supported for certain functions (nScreen, wireless 

display, gesture control, face recognition, if any). 

Please try a similar device. If it does not work, 

contact your local dealer.

1.  Fail to link to the network.

-

Check if your TV is connected with the network;

-

Reboot your TV;

-

Consult your internet service provider, to confirm 

if access of your router is supported. Refer to the 

operation manual of your router, and activate its 

DHCP function after linking the network to your TV.

-

Make sure your TV is connected to a router, and 

make sure your router is powered on. Check that 

your router/modem has an internet connection, and 

that your Ethernet cables/wireless connection is OK. 

Test your connection with a computer to make sure it 

is OK. Should the problem persist, contact customer 

service.

2.  How to use the wireless USB adapter?

-

When connecting to wireless network, inserted the 

wireless USB adapter into your TV's USB port, it will 

work together with your wireless router. For details, 

please refer to Network Connection.

3.  The video could not be played smoothly.

-

Videos from your USB flash drive --- It may result 

from data transmission, or its code flow is far beyond 

the supported formats of this TV set.

-

Videos downloaded from internet, or online videos.
a. It may be caused by the lower bandwidth of your 

network. A high network speed is required to  

handle online videos.

b. Peak internet usage times may affect the 

bandwidth.

c. Check if any other computers on the same 

network are also operating, as they may be using 

up bandwidth. Especially if they are downloading 

or displaying on-line videos.

d. The video may not be smooth itself, it is not the 

problem of your TV or network. may consider 

some content inappropriate for unsupervised 

viewing by children aged 8-13. Violence 

Guidelines: Depictions of conflict and/or 

aggression will be limited and moderate; may 

include physical, fantasy, or supernatural violence. 

Other Content Guidelines: May contain infrequent 

mild profanity, or mildly suggestive language. 

Could also contain brief scenes of nudity.

4.  When two mobile hard disks are connected 

with the TV at the same time, they will not be 

recognized some times.

-

All mobile hard disks consume a lot of power, 

which may result in power supply problems. We 

recommend inserting only one hard disk, or a low 

power consumption mobile hard disk.

Problems & Solutions

Note

: Problems & solutions 1 to 2 are for the TV models which have network functions, so users of non-connected 

TV models can disregard them.