I ask you: on the computer without the normal beep sound?

Users questions:After booting diskless machine without the normal beep sound. Power indicator light, fans are turning, but the display light has been flashing that can not enter the system. I began to suspect that the monitor, but I changed up a useful display, the phenomenon is still the same. I ask that how to solve ah?
Experts answer: First, the memory may be faulty, unplug and re plug in to try to not work on the first try for the other slot. Second, if the discrete graphics card to try to re-plug. If there is not, there may be a CPU or a power failure.
  • This information provided by the users.Thanks!