Yikes! You've given us absolutely nothing to work with!

These would be a good start:
Version of Excel
Details of the Data Validations you've set up
Differences between the DV's that work and the ones that don't

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Regards,
Ron

XL2002, WinXP


"IDill95" wrote:

I have created several cells with data validation but one of the worksheets
in my workbook doesn't show the drop down list. I can't figure out why. Any
ideas?