Windows 10: my pc wont turn on only the light is blinking. it turns on for a second and then turns off

i have not opened it yet, tried basics like holding for sometime and in and out but it isnt workingits a all in one DESKTOP-4K7J8UF and dosnt seem to keep on it turns on for a sec before going back into blinking lights with a interval of 1 sec pls help on this

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pc wont turn on orange light blinking

hello im Using Dell outiplex GX 280 windows xp when i was turning on my computer it wont turn on and orange light is blinking in there anything to do in order to fix this problem and even when installing updates and it messes evrying up

 

Pc wont turn on.

My desktop is not turning on... there has been this thing happening for a while where any game i load up i would get black artifacts with a flashing green color, or a black screen with DVI No signal, which means i need to hard restart, so i turn it off, but now whwn i try to turn it on, the power button light comes on, the the fans turn on for about 2 seconds then turn off, with the power button still on.

 

my laptop wont turn on

my laptop is the white hp 15-r23ne. it was working one hour ago. it was on battery and the battery was about to empty. i was busy somewhere else. i heard the laptop beep a few times and then it switched off

now it wont switch on. when i press the power button the red light on the f12 button will turn on and then the white light on the capslock button will start to blink. it blinks twice then a short pause and then it blinks twice again and then another short pause and it repeats. the fan is on, the screen is off and there are no beeps when i try to turn the laptop on

i removed the battery and i disconnected the power wire and then i help the power button for 15 seconds and then i put back the battery and the power wire and i tried to turn it on. still the same issue. what is happening?