I upgraded from Win 8 to 8.1 on my Sony Vaio S15 laptop and everything seemed to go fine. The only problem was that text was displaying oddly. I noticed that Sony had an updated Win 8.1 NVidia ...

How to fix Operating system not found Windows Lenovo? To fix the Operating System not found error on a Lenovo Windows 11/10 PC, use a Windows installation or recovery disc.

If you’re experiencing unusual system behavior like the Network path was not found error, it could be that the system clocks are set to different times.