Http://www tomshardware com/forum/231766-45-windowsxp-recognizing

[Guest]

Hello,
I have Windows XP with original 256 Ram. Later purchased512MB memory, but system is very slow and properties only show 256MB. Could the installed 512 have become unseated?

 

[saint19]

Hi Phyl73 and welcome to THG.

What mobo do u have?