i shut down my acer aspire e1-510-4457 one night and my sister closed it halfway through. now i turn it on and the acer logo comes up and the screen goes black but is still on. help!!
Try booting to safe mode w/networking (tap f8 when booting). If you get there, download and run ccleaner. https/www.piriform.com/ccleaner
Do the Clean and Registry portions both. Then see if it will boot normally.