Try to :
Unplug battery and electricity.
press the startbutton 30 seconds.
Plug in electricity but not the battery.
Start, and let finish the boot.
If it works, turn off and connect the battery.
Start.
Good luck.
SOURCE: My Acer Aspire 5920 won t turn on
try pressing on fn+f5 or fn+f6 a couple of times each. Maybe the screen got switched to projector status by mistake.
SOURCE: acer aspire one black screen and no boot
Hello,
Contact with notebook repairing engineer. Might be coz of some short circuit, BIOS corruption or any malfunction of the hardware.
Regards;
Hassan
SOURCE: I HAVE A NEW ACER ASPIRE ONE 521 AND ALL OF A
Hi, I do understand your concern and do apologize for the inconvenience.In this regards what I would suggest you perform is please unplug all external devices from the netbook including the charger(Adapter) and the battery;then press and hold down the power button for 30 seconds without the charger or battery connected.After 30 seconds let go of the power button re-seat the battery and reconnect the charger and try powering on the netbook you should be able to get the netbook to turn on and get display. Thank you for your patience.Best wishes for your effort.
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