Chapter 9 Troubleshooting and Component Replacement
U disk cannot
update content
U disk cannot
load the video or
picture
1. confirm that the U disk is able to read and
write normal data and check the format of
the U disk (default FAT32)
2. confirm whether the format of the video is
correct and the format of the picture
WiFi work
anomaly
PC can't connect
to the screen
1. confirm that the screen is in the same LAN
with the computer
2. check if the screen is dropped
3. reference software manual, correctly
configuring WiFi information
4. close the computer end firewall and
antivirus software
Network mode
cannot work
can't find the
screen
1. confirm that the computer and the screen
are in the same LAN
2. network lines to be connected to the
router, not directly connected to the
computer
Whether or not the line sequence
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