Summary
Windows 7 PCs with touch screen support, such as Tablet PCs, can run into scenarios where the effective border area is reduced to a point to prevent restoration of the taskbar when auto-hide has been enabled.
More Information
Auto-hiding of the taskbar is not supported on Tablet PCs where only touch or pen screen input is being utilized with no keyboard or mouse. Enabling auto-hide can result in the taskbar being minimized beyond the boundary of the touch screen area. This may be more apparent after configuring the Calibration option that can be found under Control Panel->Tablet PC Settings. Calibration can further reduce the touch screen surface area around the border of the display to exclude the range needed to activate and restore the hidden taskbar.
To deactivate the auto-hiding of the taskbar, open Control Panel and select Taskbar and Start Menu. Under the Taskbar tab, deselect the Auto-Hide the taskbar option. Note: The default setting for this option in Windows 7 is disabled.
To deactivate the auto-hiding of the taskbar, open Control Panel and select Taskbar and Start Menu. Under the Taskbar tab, deselect the Auto-Hide the taskbar option. Note: The default setting for this option in Windows 7 is disabled.