First guess; the BIOS.
Second guess; the CPU.
There are various commands associated with computer window that is: Run (Win+R), Windows Explorer (Win+E), Show Desktop (Win+D), Search (Win+F) Locked (Win+L)
window bar
task pane
Task pane.
Ribbon
task bar
window
An area at the top of an office program window that contains commands for working with the open file; the commands are organized under tabs
On a Windows machine it's typically called "My Computer".
A window
The element of the Word program window that contains buttons for saving a document and for repeating a change is the Quick Access Toolbar. This toolbar is typically located at the top left corner of the window and provides easy access to frequently used commands, such as Save and Repeat. Users can customize this toolbar to include additional commands as needed.
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