POST Error 1962: No operating system found will reboot in 1 sec
After installing VMWare ESXi and rebooting the system, the user experiences the following POST error “Error 1962 No operating system found will reboot in 1 sec?” in Lenovo ThinkCenter (M62z, M72e, M72e Tiny, M72z, M78, M82, M83, M92, M92p, M92p Tiny, M92z, M93, M93p, M93p Tiny, M93z, Edge 62z, Edge 72z, Edge 92, Edge 92z, E93) and Lenovo ThinkStation E31
To resolve this issue, the user should follow the steps as following :-
1. Press F1 during POST to enter the BIOS Setup screen.
2. Go to the EXIT tab and change “OS optimal defaults” to “Disabled”.
3. Go to the STARTUP tab and change “Boot Mode” to “Legacy” (the default setting is AUTO).
4. Save changes and exit the BIOS. (NOTE: User may use the F10 keystroke).