If you look to the extreme right of the task-bar - past the clock - you'll see a vertical bar, the same colour as the rest of the task-bar. Hover your mouse pointer over it, and the display will show your desktop. Moving the cursor off the bar will restore your original screen.
The buttons that appear on the taskbar when windows are opened are called "taskbar buttons" or "application icons." Each button represents an open application or window, allowing users to quickly switch between them. These buttons typically display the application's icon and may show a preview of the window when hovered over.
To minimize all open windows on the screen, you can use the "Show Desktop" icon, which is typically located in the bottom-right corner of the taskbar on Windows. Alternatively, you can press the "Windows key + D" keyboard shortcut to achieve the same effect. On macOS, you can use the "F11" key or the "Mission Control" gesture to show the desktop.
To re-create the Show desktop icon yourself, follow these steps:Click Start, click Run, type notepad in the Open box, and then click OK.Carefully copy and then paste the following text into the Notepad window: [Shell]Command=2IconFile=explorer.exe,3[Taskbar]Command=ToggleDesktopOn the File menu, click Save As, and then save the file to your desktop as "Show desktop.scf". The Show desktop icon is created on your desktop.Click and then drag the Show desktop icon to your Quick Launch toolbar.
There is a free portable tool called Windows 7 Battery Bar that monitors the battery status and displays it in the taskbar. The settings can be customized by clicking on the Battery icon in the system tray.
From the Start menu, open Control Panel Double-click Power Options Click the Advance tab Click the Always show icon on the taskbar. Click OK
This will show you how to turn a system icon on the taskbar on or off.
The button is included by default in the Quick Launch menu. Simply right-click the taskbar and select Toolbars > Quick Launch.
Try restarting the computer again. If that doesn't work, I can't help you. It has happened many times to me as well. I am having another problem in that there is a mysterious lowercase "i" icon in the McAfee icon n the taskbar.
Just left Click on the taskbar and go to properties you should be on the taskbar tab a the bottom there is costomize there it will show all the icons you should find it make shure you scroll all the way down click on it and on the right side there will be options ALWAYS SOW,NEVER SHOW,and HIDE WHEN INACTIVE.
To get your toolbar back in Windows, right-click on an empty area of the taskbar and select "Toolbars" from the context menu. From there, you can choose which toolbars to display, such as the Address or Links toolbar. If you're looking for the taskbar itself, ensure it's not hidden by moving your mouse to the bottom of the screen or checking the taskbar settings to ensure it’s set to "Always show taskbar." If the taskbar is missing completely, you may need to restart your computer or explore settings in the Taskbar settings under the Start menu.
There is a power icon on the taskbar. It shows whether the computer is plugged into the mains or on battery power. If you hover your cursor over the power icon, while it is running on battery power, it will show as a percentage how much battery life is left (along with an estimate of how much time you have left before the battery dies).
go on the taskbar hidden icon ,garena is also presented here ,so right click on it and u will show sign out. and click sing out