Partial blue

Users questions: Sometimes, partial boot blue screen will appear, then, normal, recurring from time to time; often have the normal time: monitor tried normal cables are also normal; do not know whether it is related with the electrical supply Yuan? Thank you, Kai-A.
Experts answer: 2 a data line connection is bad, depending on the three primary colors or put great white-level potentiometer oxygen Technology, poor contact 3, the data line, as put open socket board display welding repair
  • This information provided by the users.Thanks!