This error has been known to occur as a result of one of the following causes: Cause 1: Bad BIOS configuration This error is also very common on Sony Vaio Laptops. It may be caused by an error in BIOS configuration, a faulty hard drive, or a damaged Master Boot Record.Īnother possible error message is “ Missing operating system“. However, if it is unable to find one, then an “Operating system not found” error is displayed. When a PC is booting, the BIOS tries to find a operating system on a hard drive to boot from. Symptom 1: “Operating System not found” error screen on startup
The error messages, alerts, warnings, and symptoms below are tied to this error. The following information on this error has been compiled by NeoSmart Technologies, based on the information gathered and reported by our global network of engineers, developers, and technicians or partner organizations. 3.5 Fix #5: Reset BIOS settings on Sony VAIO Laptop.3.4 Fix #4: Rebuild the BCD using bootrec.exe.3.2 Fix #2: Change or reset the BIOS configuration.3.1 Fix #1: Rebuild BCD via Easy Recovery Essentials.3 Fixing “Operating system not found” on Windows.1.2 Symptom 1: “Operating System not found” error screen on startup.
