Hanging/Freezing

While working on a system sometimes it happens that the computer stops taking commands and becomes still. This situation is called getting hanged or Freezing of computer. There are some common reasons why computer keeps freezing. Reason 1: Sometimes  old hardware (eg. Hard disc, RAM) cause slow read of memory and resulting hang of laptop. Reason 2: Because of several programs running on the system can also make it unresponsive. Reason 3:  Dust, overheating and high temperature can also cause your system hang. Reason 4: This may be because of virus infection to your system and outdated antivirus.