LG 42PM4700 Owner's Manual page 65

Step 3. Upgrade TV
a. Make a folder
b. Save the software in "LG_DTV" folder
c. Insert USB memory drive into USB port on TV
d. Select "Start" if "TV Software Upgrade" Pop-up appears.
e. TV upgrade will start and restart automatically after completed
"LG_DTV"
on USB drive
Note)
If current software on TV is same with or newer than
that on USB drive, TV Software Upgrade menu won't be opened.
(Some USB memory devices may not be compatible with TV)
Please wait while the update is copied to TV.
Don't remove USB drive while this message is displayed.
Do not unplug TV power cord while this message is displayed.
Software upgrade is on progress.
Do not unplug TV power cord while this message is displayed.
After the upgrade is completed, this message is displayed.
TV will restart automatically in 5 sec., then TV is ready to use.
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