LG 16T90Q Series Easy Manual page 194

194
Recovering the System
3
Check the current settings and select [Next] to perform the recovery according to the instructions.
TIP
If you select [Change Settings], you can change the current settings.
Remove everythings
Removes all items from the system and restores the system to its initial pre-purchase state.
CAUTION
All data is lost during the initialization, so you must backup all critical data in advance.
It may take about 5 hours or longer depending on the system conditions.