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).
Summary. When you try to start a Windows XP-Based computer, you may receive an error message that the operating system
Symptoms. When you start a Windows XP-Based computer, you may receive one of the following error messages. Operating
Cause. The basic input/output system (BIOS) does not detect the hard disk. The hard disk is damaged. Sector 0 of the
Resolution. To resolve this issue, use one
More Information.
[Solution] Fix OS not found in Windows One Fix #1: Rebuild BCD using Easy Recovery Essentials 2 Fix #2: Change or reset BIOS configuration Fix #3: Start automatic repair 4 Fix #4: Rebuild BCD using bootrec .exe 5 Fix #5: Restoring BIOS settings on Sony VAIO laptops Learn more.
The “Missing operating system” or “Operating system not found” error message usually appears in a black window when someone starts a Windows computer. This can probably prevent you from starting Windows. This error is very common on Dell, Lenovo, Acer, HP and Sony desktop or laptop computers. You can continue reading and get detailed error information or skip the related solutions. fix 1
Which error will be raised when you want to import a package using Python but it doesn’t installed in your computer import error module not found error Index Error File Not Found error?
The ModuleNotFoundError error occurs when Python cannot find the error. The most common cause of some errors is forgetting to install a custom module or a wrong course import.
How do I fix operating system not found missing operating system?
Carefully follow the calculations below before repairing the MBR.
How do you fix an operating system wasn’t found Try disconnecting any drives that don’t contain an operating system?
Try disabling certain drives that don’t have the new operating system. Press Ctrl+Alt+Delete to reboot.
Which software helps to load an operating system when a computer system is switched on when a computer starts into which memory is the operating system loaded?
Loader
The loader is an awesome little program that does one thing: loads an operation thread into memory and lets it get started. In its most typical form, a bootloader hosts small driver programs that interact with and control various hardware subsystems in a computer.
Which of the following is not an operating system which of the following is not an operating system?
The correct answer is only the router. The router does not work as a system.
What is Windows Mobile operating system write some features of Windows Mobile operating system?
Functions. Most versions of Windows Mobile have a standard set of features such as multitasking and the ability to view a file model similar to Windows 9x and Windows NT, including support for many identical list types.
What is the difference between the Windows Server operating system and Windows 7 operating system?
The system used by Windows can only handle 10 or 20 connections while Windows Server has a much higher number of connections in that regard. Some hosting servers can handle up to 65535 to allow them connections.
What kind of error occurred in class failed to load either due to not being on the classpath or due to failure in static initialization Noclassdeffound error stackoverflow error out of memory error file found error?
NoClassDefFoundError – This exception means that the class has failed either because the classpath is not being used or because the static initialization failed. OutOfMemoryError – This type of exception means that the JVM has run out of memory that you can allocate for objects.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.