Conditional Formatting - General prob & how to change colour of a cell if text is in it

Hi,

I have two problems with conditional formatting.

1) I'm trying to change the colour of text in L43 to red if any cells in P33:P41 go below a figure of 80. Yet the below is not working.

=$P$33:$P$41<80

2) I need to change the colour of the green box (L46:O54) to red if there is text present in it. I have looked on the net but can't find the appropriate function.

Any help would be appreciated.

Many thanks

Sam