Alba 22 inch hd readydigital lcd tv l22p1

unplug tv, take batteries out of remote. plug tv back in, replace batteries. best idea i have. sometimes that resets the devices. good luck

I just read the manual for this TV. The initial password set at factory is 0000
If you changed it, you will have to remember what you changed it to, because the menus do have a factory reset option, but it will not reset the password.

Zenith TV unlock [Child lock]
Tune the television to a channel blocked by a child lock. The words "Enter Lock Code" will appear on the screen with four dashes underneath
Press the numbers on the remote control to enter the child lock pass code to unlock your Zenith television. When the code is entered correctly, the blocked channel becomes visible. The words "Enter Lock Code" remain on the screen if the password is not correct

Enter "0000" if you did not change the password on the television prior to enabling the child lock feature. This number is the default pass code for the child lock.
Push "7777" if you changed the pass code for the television but no longer remember the code. This number allows you to bypass the child lock and watch the programming.
Key lock
Press the "Menu" button on the remote control to access the "Main Menu" screen on the television.
Scroll to "Special" using the up or down arrow buttons and press the right arrow button to access the "Special" sub-menu.
Push the up or down arrow button to highlight "Key Lock" and then press the right arrow button.
Press the up or down arrow button to change "Key Lock" to "No" and then press the "Menu" button to save the setting.
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Download the user manual to your tV from net, and refer it about how you can make a factory reset to this TV. Do it. It will make all things right.

Try to download its user manual from internet. It will have all the details you want, including the procedure to unlock it.

I have an Alba 24 inch 720p HD and I have inserted a male to female ariel cable from wall socket to tv. However, I am not able to scan any channels. Do z I need to buy a seperate ariel to get channels.

Well there is the brute force way , if the lock consists of 4 digits try going , 0001,0002,0003,etc until you get the code

1. Turn the television on.
2. Hold VOL - ON TELEVISION and SLEEP on the REMOTE.
3. When self-check is displayed, press any button.