Press F5, F9, or F11 to turn on or off a backlit keyboard ... Most modern HP laptops only require that you press a single key to toggle the keyboard light on and off. Make sure your laptop is ...

And it can take awhile to fix because you have to find the problem cell. The F5 key saves time in Excel by letting you jump to specific cells or named ranges. But that isn't all it can do.

And it can take awhile to fix because you have to find the problem cell. The F5 key saves time in Excel by letting you jump to specific cells or named ranges. But that isn't all it can do.