Mac answer: Your hard drive might be damaged. Boot up your mac with the DVD-disc or USB-drive that came with your mac and let Disk Utility try to repair your drive.
If successful you will be able to start your Mac again as normal.
If you are on Apple Care or if you are on your first year within purchase, it is advised to backup as much data as possible before taking it to an Apple Certified Repair shop to get yourself a new Hard drive. Save
Without an operating system, a computer would not operate, and a blank screen with a message (something like) system not found, would be the result.
A computer without an operating system will not operate.
An operating system manages the working operation of a computer
operating system is a complete operating system that works on a desktop computer, a notebook computer, or mobile computing device.
Most operating systems native to the computer system allows users to communicate with the computer system
operating system startup error
If you do not have msmgr open and you still get the message then it means your computer needs to be patched . You need to update your windows operating system
Without an operating system, a computer would not operate, and a blank screen with a message (something like) system not found, would be the result.
A computer without an operating system will not operate.
An operating system is like Windows, Windows 2000, Windows XP, it's the controlling software of your computer. A microprocessor is the CPU, the brain of the computer. It does all the commands, does all the math, and displays the answers on you monitor. So the CPU is called hardware because it is an actual chip, while the operating system is called software because it is millions of lines of computer code.
operating system decide what your computer will do
An operating system manages the working operation of a computer
operating system is a complete operating system that works on a desktop computer, a notebook computer, or mobile computing device.
It sits doing nothing, usually displaying a message from the BIOS that an operating system could not be found.
Most operating systems native to the computer system allows users to communicate with the computer system
An operating system runs common services for computer programs and manages the computer hardware resources. An operating system is necessary to run application programs.
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. The operating system is a component of the system software in a computer system. Application programs usually require an operating system to function.