The system tray on Win 10, also known as the notification area, is located in the bottom right corner of the bar Taskbar, contains battery, volume, OneDrive, and antivirus program icons.
Just drag and drop the icon from the system tray to the Taskbar to hide the icon (appears in the overflow on the system tray). If you want to see a hidden icon, just click the small arrow icon next to the system tray, refer to how to customize the taskbar in Windows to know more.
Sometimes in some cases the arrow icon on the Taskbar may be lost and all icons (including those in the overflow section) will show in the system tray. When you try to hide an icon by dragging and dropping the icon outside the Taskbar but it does not work. Sometimes the taskbar position is not at the bottom of the screen because it has been changed position, you can return the taskbar to the old position by following the article. change the position of the Taskbar here
If you do not hide the icons in the system tray, it may be because you or the program you have recently installed are configured to always display all the icons in the system tray on the Taskbar.
Fix the error of not hiding the icon in the Windows 10 system tray
If you can’t hide the system tray icons on the Windows 10 Taskbar, follow the steps below to hide the icons again.
Step 1: Right-click on any empty space on the Taskbar, select Taskbar settings to open the Task Properties page. Or alternatively you can navigate to the application Settings =>Personalization =>Taskbar to access the Task Properties page.
Step 2: Section Notification area, click the link Select which icons appear on the taskbar.
Step 3: Here you turn off the option Always show all icons in the notification area to hide all icons on the system. On the Taskbar you will see the small arrow icon, click on the arrow to see all hidden icons.
As you can see in the image above, there are options to hide or show the system icons. Also you can show or hide the clock, OneDrive, battery icon, volume and other programs icons on the Task Properties page.
Above Taimienphi.vn has instructed you on how to fix the error of not hiding the icon on the Windows 10 system tray. Hopefully the article will provide you with more useful knowledge. If you want to turn off notifications on the Win 10 system tray, you can refer to how turn off notifications in the Win 10 system tray here