Can I use a lcd display from an alarm clock for a computer case mod? How do I wire it?

I just want it to show system status like ';ON'; or ';OFF';Can I use a lcd display from an alarm clock for a computer case mod? How do I wire it?
That depends on whether it has a proprietary controller, a controller with available info or no controller. You can only use the second type. Look for an Hitachi chip on the display board, That can be talked to by a computer.