The taskbar is suddenly not automatically hidden when applied in full screen, usually caused by setting errors, software conflicts, or graphics issues. First, check whether the "automatic hidden taskbar" is enabled in the taskbar settings; second, check whether there are software (such as Steam, browser, etc.) to prevent the taskbar from hiding, and you can turn off the test one by one; then update the graphics card driver, confirm that the resolution is the recommended value, and restart the Explorer if necessary; finally, if you use multiple monitors, check and adjust the "Multiple Monitor" settings to ensure that the taskbar is hidden normally.

Sometimes the full screen application is used well, and the taskbar suddenly stops automatically hidden, which is really annoying. This problem is not uncommon on Windows, especially when playing games or watching videos, which particularly affects the experience. The solution is actually not difficult, but several possible reasons need to be investigated.

Check whether the taskbar settings are enabled for automatic hiding

First, confirm whether the system itself has correctly set the "auto-hide taskbar". Once this function is turned off, the taskbar will be displayed all the time, even in full screen.

• Right-click the blank space of the taskbar → Make sure "Taskbar Settings" is turned on (if not, click to enter)
• Or right-click the taskbar → select "Taskbar Settings"
• In the settings page that opens, check "Auto Hide Taskbar"

This option is turned off by default. Many people may accidentally change it, or the system has reset the configuration after it is updated.

Some programs prevent taskbar from hiding

Some software or games will actively interact with the taskbar when running, causing it to not be hidden automatically. For example, Steam, some browsers, video players and even antivirus software may interfere with the behavior of the taskbar.

You can try:

• Close the currently running full-screen program to see if the taskbar returns to normal
• Then reopen the program test one by one to find the "culprit"
• If it is a problem with a specific software, you can go to the settings of the software to find out whether there is an option of "covering window" or "always in front" and try to close it

In this case, there is no need to modify the system settings, just avoid conflicting software.

Display driver or resolution issues may also affect

Sometimes problems with graphics drivers can also cause the taskbar to display abnormally in full screen mode. This phenomenon may occur especially when you switch different monitors and adjust the resolution.

Suggest you:

• Update the graphics card driver to the latest version (can be downloaded through the Device Manager or the official website)
• Check whether the current resolution is set to the recommended value
• Try to restart Explorer: Press Ctrl Shift Esc to open Task Manager → Find "Windows Explorer" → Right-click to select "Restart"

If the taskbar returns to normal after these operations, it is basically a problem with the graphics-related settings.

Small details in multi-monitor settings

If you use dual or multi-screens, the taskbar does not display properly on only one screen, which may be that the multi-monitor settings are not adjusted properly.

• Go to "Taskbar Settings" → View "Multiple Monitors" section
• Confirm whether Show Taskbar on All Monitors is enabled, sometimes this will cause the taskbar on some screens to not be hidden
• You can try turning off this option and then test the full screen effect of each monitor one by one.

This setting is easily overlooked, especially when external monitors are often plugged in and removed.

Basically, these common causes and solutions are all there. In most cases, check the taskbar settings first, then troubleshoot software conflicts and graphics driver problems, which should be done.

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