More RAM not recognized -

[Michael Schwendt]

On Fri, 29 Jul 2011 10:38:15 -0400, BG (Bob) wrote:

> 
>     This Dell DM4700 came with 2-256 mb strips, some time ago I added
>     2-1 gb strips for a total of 2.5 gb.
> 
>     This morning I replaced the 256 mb strips with 2-2 gb for a total of
>     6. The bios setup screen shows 6 gb but apparently Linux is only
>     using half that amount, not much of an improvement!:

Install the  kernel-PAE  package, then reboot to the PAE kernel and remove
the normal  kernel  package.