Question 20 points ~! Computer system problems ~!

Users questions: System is re-installed, and normal, with very smooth, not found any problems ~ but yesterday and today have tried: sudden crashes, no reboot, the screen can not move ~ host issue "drip drip * ** drop ** * drip drip ** **- "sound, I press" restar "has returned to normal after restart ~ ! Ask the expert who can diagnose the basis of this problem? Yesterday, I re-installed after the accident has made another over Le ~ but they still yes it ~!
Experts answer: uninterrupted long "beep" sound: Memory is not a chip inserted Hao or damage. Stop sound: display and graphics card is not connected. Repeat short "beep" sound: power supply failure . I do not know what you are
  • This information provided by the users.Thanks!