Please fill out the "My System Specs" so that we can be of more assistance. I use Speccy.
You will definitely benefit from increases the amount of ram in your system. 2 GB is, in my opinion, the minimum when using Windows 7. I increased the ram in my laptop to 4 GB.
SPECCY- System Information Tool http://www.piriform.com/speccy
Operating System, CPU and Temp, Ram, Motherboard, Graphics, Hard Drives, Optical Drives, Audio, Peripherals, Network info.
Simply put—this is the best and it’s free!