Acer laptop not starting black screen repair - YouTube
Specs Acer Aspire 7540G-324G50Mn M320 43.9 cm (17.3") HD+ AMD Athlon II 4 GB DDR2-SDRAM 500 GB AMD Radeon HD 4570 Windows 7 Home Premium Black Notebooks (LX.PJC02.055)
Fix acer aspire black or dead screen problem - YouTube