What is the operating system?
The operating system is short for OS, is a
program used to enable the computer hardware communicate with computer
software. And it also enables the computer user to communicate with computer
hardware. The OS manage all programs, computer’s memory and processes. Without
the OS system, your computer is useless.
What does the operating system manage?
Management of primary memory and Main
memory.
Processor scheduling.
Device communications.
Manage the file system.
Other functions like detecting errors,
security and so on.
The operating system types
Generally, there are main three types of
operating system: Linux, Microsoft Windows(Windows 7,8,9,10, Windows Vista and
Windows XP) and Mac OS.
How to recover files from hard drive how
to fix windows problems
Computer cannot boot into windows
If your computer cannot boot into windows,
you can boot from an installation disc.
If your computer cannot boot by itself,
you should use a Windows installation disc to boot it. In the installation
window, you will see a Install now button and Repair you computer link. Click
the link to repair your computer.
If you want to reinstall system, you also
need this installation disc. But notice to back up all your data before that,
or you will lost all your data on the system drive. Reinstall system is one of
the best way to fix system issues, get rid of virus infection and slow down
running speed.
How to repair operating system?
1. Use cmd command
prompt to check
Use the windows built-in tool to check.
Click start menu and then input cmd in the search box. Click the cmd.exe and
choose to run as administrator. Open the window. Press ENTER: sfc/scannow.
After the scan ends, the problem may has been solved. If the problem still
doesn’t solved, you then should try the system restore tool.
2. Use the System
Restore tool
The System Restore tool use the system
restore points to restore the system files to an earlier time when there is
nothing wrong with your operating system. If your system problem is result from
an updated Windows, it will restore your computer to a time point before you
update your Windows.
How to uninstall Windows updates?
Uninstall Windows update can help solve
the issues caused by updating Windows.
How to solve blue screen issues?
Factory reset of
computer
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