Hi friends i have a problem with this acer one d270 the first problem is no power but all voltages present so i flashed the bios now can power on, but the problem if you shutdown you have to wait for at least 10 minutes before you can power on. and also when i connect internal screen it shows display and after a minutes goes off, but with external monitors it shows fine, but after i shutdown cannot power on again need to wait 10 minutes to turn on again.Anyone can help on this please