open an elevated command prompt (type cmd in the search box, right click the restult and choose 'Run As Administrator')
This brings up the configuration utility.
Click the Boot tab, and then click the Advanced Options button.
In that window, there is a setting for Maximum Memory - Make sure the checkbox for it is clear (not checked), then reboot your computer.
your right it was set at 2.5 Gig
when it boots in the black screen ram reads
2.50 again so could something in bios be holding it down
and is it running a 2.50 or all 4.00 Gig
what do you think?