My screen is locked and I do not have a remote control

1. Check the Remote: Make sure you have the remote control for the projector.
2. Press the Menu Button: On the remote, press the "Menu" button.
3. Navigate to Security or System Lock: Use the arrow keys on the remote to navigate through the menu options. Look for a section related to "Security" or "System Lock."
4. Enter the Unlock Code: If you previously set a system lock code, you will need to enter it using the remote control. If you haven't set a code before, try the default code (often 0000 or 1234).
5. Disable System Lock: Once you've entered the correct code, navigate to the option to disable or unlock the system lock.
6. Confirm: Follow the on-screen instructions to confirm your choice, and the system lock should be disabled.

Samsung cannot open battery cover Remote Controls ...

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How can I solve if the remote control is not ... - Samsung

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Samsung ElectronicsDec 11, 2014 - 1) Open the battery compartment on the back of the remote and ... If you have any digital camera (including a camera phone), you can test any ...

Remote Control Issues - samsung product support network

When an Insignia TV is locked, it keeps you from watching all of your channels by only displaying a black screen. Insignia TVs are locked from a single button command on the remote control, so it is easy for you to lock the TV by accident. Since Insignia TVs can be locked so easily, it's important to know how to undo this command and unlock the TV yourself. So, unlock your Insignia TV with the push of a button and once again enjoy watching your favorite programs.
• Find the lock button on the Insignia remote control. The lock button is located on the third column from the left on the second row from the top of the remote.

•Stand within operating range of the Insignia TV, then aim the remote at the TV's receiver and press the "Lock" button on the remote control.

• Aim the remote at the TV and press the channel buttons to make sure the TV is unlocked. When the TV is locked, it shows a black screen and does not allow you to view anything else. If the screen remains black, press the "Lock" button again. If this doesn't work, change the batteries in the remote and start over at step .

Hello
When an Insignia TV is locked, it keeps you from watching all of your channels by only displaying a black screen. Insignia TVs are locked from a single button command on the remote control, so it is easy for you to lock the TV by accident. Since Insignia TVs can be locked so easily, it's important to know how to undo this command and unlock the TV yourself. So, unlock your Insignia TV with the push of a button and once again enjoy watching your favorite programs.
· Find the lock button on the Insignia remote control. The lock button is located on the third column from the left on the second row from the top of the remote.

·Stand within operating range of the Insignia TV, then aim the remote at the TV's receiver and press the "Lock" button on the remote control.
· Aim the remote at the TV and press the channel buttons to make sure the TV is unlocked. When the TV is locked, it shows a black screen and does not allow you to view anything else. If the screen remains black, press the "Lock" button again. If this doesn't work, change the batteries in the remote and start over at step
OK

Programming
When
Remote control added or replaced. System malfunction.
How
Obtain all remote controls. A maximum of 3 remote controls can be programmed. Switch ignition ON. Repeat procedure below 3 times: Within 4 seconds: Press lock or unlock button. Within 4 seconds: Switch ignition OFF. Within 4 seconds: Switch ignition ON. Within 4 seconds: Press lock or unlock button. System should now lock or unlock vehicle. Within 4 seconds: Press lock or unlock button. Within 10 seconds: Press lock or unlock button of first remote control. System should now lock or unlock vehicle. Press lock or unlock button of second remote control. System should now lock or unlock vehicle. Press lock or unlock button of third remote control. System should now lock or unlock vehicle. Switch ignition OFF. Remove key. Check operation of all programmed remote controls.
IMMOBILIZER CAN ONLY BE SET BY DIAGNOSTIC EQUIPMENT

Programming
When
Remote control added or replaced. System malfunction.
How
Obtain all remote controls. A maximum of 3 remote controls can be programmed. Switch ignition ON. Repeat procedure below 3 times: Within 4 seconds: Press lock or unlock button. Within 4 seconds: Switch ignition OFF. Within 4 seconds: Switch ignition ON. Within 4 seconds: Press lock or unlock button. System should now lock or unlock vehicle. Within 8 seconds: Press lock or unlock button of first remote control. System should now lock or unlock vehicle. Press lock or unlock button of second remote control. System should now lock or unlock vehicle. Press lock or unlock button of third remote control. System should now lock or unlock vehicle. Switch ignition OFF. Remove key. Check operation of all programmed remote controls.
NOTE: If less than 3 remote controls are to be programmed, remove ignition key after programming last remote control
NOTE THIS IS FOR YEAR 99-02

Programming
When
Remote control added or replaced. System malfunction.
How
Obtain all remote controls. A maximum of 3 remote controls can be programmed. Switch ignition ON. Repeat procedure below 3 times: Within 4 seconds: Press lock or unlock button. Within 4 seconds: Switch ignition OFF. Within 4 seconds: Switch ignition ON. Within 4 seconds: Press lock or unlock button. System should now lock or unlock vehicle. Within 4 seconds: Press lock or unlock button. Within 10 seconds: Press lock or unlock button of first remote control. System should now lock or unlock vehicle. Press lock or unlock button of second remote control. System should now lock or unlock vehicle. Press lock or unlock button of third remote control. System should now lock or unlock vehicle. Switch ignition OFF. Remove key. Check operation of all programmed remote controls.
NOTE: If less than 3 remote controls are to be programmed, remove ignition key after programming last remote control.

I am having the same problem ,your TV has been child locked.In order to unlock it , on the remote control,there is a MUSIC BUTTON.You must press and hold this button for about 10 seconds and it will unlock your TV

you will need your original remote control and go through the menu to unlock it. find your original remote control by typing in your TV model number in the search on www.replacementremotes.com and your original remote will pop right up. very easy to use.

If you forgot your password for this feature, press the following buttons on the remote, one at a time. (Note: You must be in the password entry screen) Press, Mute, Display,Clear and Reset, this unlocks parental controls and you can now re-enter a new password.
OR TRY THIS..
Press and hold Menu on the TV AND volume down on the remote for 3 seconds. Nothing will appear on the screen, and the Parental Controls will unlock, and you can re-enter a new password with the LOCK PARENTAL CONTROLS
Bill