Lock unlock cell depending condition

Good afternoon;

I need the help of somebody.

I need one code to lock some especific range of cells depending of the value of other cell in the same row.

If the value of the cell X in the column F is null or empty, the ranges AGX:AIX; AKX:AMX; CDX:CFX; CHX:CJX is locked, if not is not unlocked.

The code used is:

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But dont lock and unlock nothing.

Could somebody to help me?

Is it possible no to use "Worksheet_Change" in order that allways works without changing nothing in the worksheet?

Thanks in advance.

Administrative Note:

Welcome to the forum.

We would very much like to help you with your query, however you need to include code tags around your code.

Please take a moment to add the tags. Posting code between tags makes your code much easier to read and copy for testing, and it also maintains VBA formatting.

Please see Forum Rule #2 about code tags and adjust accordingly. Click on Edit to open your post, then highlight your code and click the # icon at the top of your post window. More information about these and other tags can be found here

I did it for you this time. Please read forum rules. Thanks