What is POST (Power-On Self-Test)? - Definition from WhatIsWhen power is turned on POST PowerOn SelfTest is the diagnostic testing . the BIOS issues an error message which may be text on the display screen and/or . will halt the boot process, since the hardware checked is absolutely essential for.what are process of power screen,Laptop turns on/off repeatedly, doesn't display anything on screen .My HP DV6700 turns on and off repeatedly after pressing the power button. . and then it turns off and then turns on again and repeats the process. .. What happens if you plug a display into one of the display outputs? Score.
what are process of power screen