Just had a short power failure, lasted about 3 seconds. now my computer will not boot up. (psu) pc restarts when booting up & shows power failure infoscreen. My insipron 2650 fails to pwer up. when i press the power button the fan turns on for a few seconds and then the computer switches off. nothing appears on the screen. i can see the power led is on and the battery is being charged. i tried removing the battery and power cord but nothing helped. when. Laptop acer aspire 5750 won’t turn on, won’t power on, there is no display, just a black screen. this is a general diagnostic and repair steps to fix those problems..
If, after following the above sections, your computer still receives no power, it is likely that a hardware component in the computer has failed. it is possible the power supply has failed. if you have a laptop or do not want to replace the power supply yourself, we suggest taking the computer to a repair center.. If the cord appears to be fine and the socket works, try replacing the power cord or, in a laptop, the ac adapter. you may have to buy one specific to your model. if the pc starts, but fails. Hello, i have a certain problem for some time now and i need advice. every time when i power off my pc i power it up from the start button it fails to start..
