Display when playing a game jumping out why the old?

Users questions: Recently installed a new host, but display or use the old 15-inch, 1. First of all, the boot time is not displayed, press the reset button to restart the computer will display. 2. I play a game, while display will jump out, but the game continues, because the voice is still. For such monitors is . Note the host in question. But the online display will not jump out. 3. The computer is sometimes a period of time not in use, will be automatically closed, but you will not press any key to wake up and can only be restarted. Annoyed Well, I hope master guiding how to solve.
Experts answer: suspect is your power supply problems, another major rating Power supply to try.
  • This information provided by the users.Thanks!