My computer does not start?

Users questions: Press the switch, the machine can self-test, can hear the DI crash, the machine displayed may be due to hardware or software problem not start and enter the safe mode can enter the system, if you select Last Known Good Configuration, shows a progress bar, but slowly and soon restarted automatically, please master enlighten ! Thank you
Experts answer: or use memory bad impact of contact with the dust a long time, you pull down the memory, the contacts with a clean rubber Sassafras clean, then the memory socket with a clean brush hairs, and then again after a clean blow to the memory Sassafras good. Try. If still not, then we must consider the bad memory or memory socket Broken.
  • This information provided by the users.Thanks!