If you want to increase your computers memory or are having trouble with speed, the RAM is simple to replace in HP Mini 311.
Lay the laptop on a flat surface, bottom side up and slide the two battery release latches toward the outside of the case.
Slide the battery away from the device to remove.
With the device still in a bottom side up position, proceed to unscrew the two 4.8mm Phillips 00 screws from the memory shield.
Lift the memory shield up and remove from the laptop.
Firmly press on the metal pins located on both sides of the RAM.
Simply grab and remove the RAM from the device.