Weegy: Hi what is your question?
User: Operating System not found
Weegy: This issue may occur if one or more of the following conditions are true:
The basic input/output system (BIOS) does not detect the hard disk.
The hard disk is damaged.
Sector 0 of the physical hard disk drive has an incorrect or malformed master [ boot record (MBR).
Note Some third-party programs or disk corruption can damage an MBR.
An incompatible partition is marked as Active.
A partition that contains the MBR is no longer active. ]
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