I have a Mac mini Snow Leopard. In Numbers the grid lines are so faint that they are barely visible. Please could someone help me sort out this problem.

Question

I have a Mac mini Snow Leopard. In Numbers the grid lines are so faint that they are barely visible. Pleease could someone help me sort out this problem?

Answer 1

The User Manual has this:
Formatting Table Cell Borders
You can change the line thickness and color of table cell borders. Or you can hide the border of any cell.
To format table cell borders:
1 Select the cell border segments you want to format.
2 Use the controls in the format bar or in the Table inspector.
Click to choose a stroke color.
Click to choose a stroke style.
Click to choose a line thickness.
Stroke pop-up menu:  Lets you choose a stroke style. Choose None to hide borders.
Line thickness:  Controls the thickness of the stroke.
Color well:  Lets you choose a stroke color.
When you click the color well in the format bar, a color matrix appears. Select a color by clicking it in the matrix, or click Show Colors to open the Colors window for additional color options.
When you click the color well in the Table inspector, the Colors window opens.
User Guide: http://manuals.info.apple.com/en_US/Numbers09_UserGuide.pdf