It doesn't sound like a charrting question, but in your worksheet (having
selected your 128*128 range & with cell A1 active), use Format/ Conditional
Formatting/ Formula Is:
=COUNTIF($A$1:$DX$128,A1)<1
and select a format to mark your duplicates.
--
David Biddulph

"Governor" wrote in message
...
I need to search my worksheet (128 X 128) rows for any repeated values,
anyone help?