In many laptops memory is shared with the video system. Since nothing is broke here, that's likely why you can't fix it.
I have an hp laptop with 6 gb of ram but in the proporties of my pc, it says 4.94 go are usable. I have looked at the resource monitor for my pc and it does say the a little over a gb is "reserved". I have tried many different solutions such as msconfig that have not worked. Anything helps at this point.