Excerpt: I am using this laptop since 9 months, My relative brought it from Quatar, now am using it in UK. In reality, I was quite satisfied on it, I have use it almost effectively. But in the recent days it becomes hang when I watch DVD film or other videos in youtube I had installed 2(two 1/1GB) GB RAM by removing its original 512 RAM, now I again put that back but still same problem. I format computer and install Windows XP still I am suffered from same. I dont know why?