Bought campaq laptop few months back. It comes with Vista (license version). Problem is it has only 512 MB RAM so working slow in compare to my desktop which has XP on it with sam 512 MB RAM . Can anyone from India tell me how to upgrade it to 1 GB or 2 GB ? How much cost for upgrade to 1 GB and how much for 2 GB ? Can i do it myself or i have to contact laptop provider for this.