My Acer aspire v3-571g recently went belly up and refuses to post on start. I attempted many solutions including a hard bios update but nothing has work. Instead i shopped for a new motherboard.
http://skyline-eng.com/acer-aspire-v3-571g-gateway-nv56r-motherboard-i5-nb-y1x11-001-la-7912p/
This...