Computer useless black screen display for a period of time

Computer useless black screen display for a period of time so why?

Power strategy, in order to save, you can attribute right-screen desktop power To remove Desktop> Properties> screen saver> Power> all options enough to “never”
screen and then canceled, it will never be a black.Chief strategy system of power Do not have time to use the internal humid air at the same time also the accumulation of static electricity, resulting in soft boot failure, when the board will carry out the battery discharge operation (simple power will be the host, the button will be 5 minutes and then remove the battery loaded), generally at this time OK boot on the 1 ~!
is not enough memory card, then will be off, wipe Goldfinger (by wet air oxidation) and then installed on.