I need to know how to reset my monitor to factory defaults

Here is the manual

is your lcd in english? what do you mean you ccant find indonesia on the menu? are you looking for the language or the indonesian channel? well if your looking for the language you should go the settings menu and go to language..from there try to find indonesia and enter,then the language will be indonesian..or if your wondering why you cant scan the channels on your lcd..you should try settings menu again and go to the channel set up..find auto scan and click it..then your lcd should be scanning and remembering all the channels thats been scanned,but before you do the scanning make sure that your antenna or your cable provider is connected to your tv..otherwise you wont scan anything

Sounds like you have some bad electrolytic capacitors.
If you are tech savvy, open up the unit and look for capacitors that have bulging tops or leaking electrolyte / bulging at the bottom and replace any/all that look like this.
In most cases, this will fix you right up quick.
It's the right age for this to be the most likely issue.
The capacitors will be near the power input and the inverter stages of the circuitry.

Sounds like you have some bad electrolytic capacitors.
If you are tech savvy, open up the unit and look for capacitors that have bulging tops or leaking electrolyte / bulging at the bottom and replace any/all that look like this.
In most cases, this will fix you right up quick.
It's the right age for this to be the most likely issue.
The capacitors will be near the power input and the inverter stages of the circuitry.

what system is it connected to laptop or desktop? if a laptop try using the Fn+ Monitor buttton ...it may be in a different mode .. if desktop try another monitor if it works then the issue is something else or if it still does not work then it could be a loose video card try reseating the Video card

Acces :tv.manualsonline.com and the flat panel section you acces Hyundai L19T.

hello, mine lcd it is extinguished continually. I have tried to open it and seems us or a problem on a condenser dell' inverter. Someone you would know dirmi where to find the outline in order to understand like repairing it?

Do a factory reset and see if that works.By the way Irish is english

Press the Select/Auto button. The monitor will then automatically adjust to match the incoming signal and will save that setting in the internal memory of the monitor.

reset setting to factory defaults