Operating system not found - Acer Aspire V5-571 - iFixit
XP x64 on Acer Aspire 5551G. There's a lot of missing drivers... but it runs, with 4GB of RAM and a mobile HD5650 no less. All bare metal, no VM involved whatsoever. :
résolu] [par abandon du DA] Problème : "Operating system not found" - Forum Windows
SOLVED: No Access to ACER ASPIRE V5 471 Bios (Operating System Not found) - Acer Aspire V5 - iFixit
Operating system not found FIX for acer aspire v5 - YouTube
How to Fix Operating System Not Found in Windows (No Bootable Device) - YouTube