These problems occur from overuse of either the storage device (HDD, SSD, eMMC) or the memory.
Select and right-click a drive you want to clean up (C: or D:). Select the items to delete in [Properties] > [Disk Cleanup] and select [OK].
Delete all icons not used in the desktop.
Run 5 programs or less in the task bar. When there are too many programs in the task bar, the system may become slow due to the workload.
Select the Start button [
] > [All apps] > [Windows Tools] > [Defragment
and Optimize Drives] > [Optimize] and optimize the drive.
If you installed Windows without using LG Recovery Center RE, use LG Update Center or LG DnA Center Plus to install the Chipset Driver. If the Chipset Driver is not installed, the system may become slow.
Whether to provide LG Update Center or LG DnA Center Plus depends on the model.
Press [Ctrl] + [Esc] and see if the task bar appears. If this does not work, restart the system and check it again.
When the taskbar appears, right-click and uncheck [Automatically hide the taskbar] in [Taskbar Settings] > [Taskbar behaviors].
If you cannot see the taskbar and icons, press [Ctrl] + [Alt] + [Delete] and press the [Power] button to restart the system.
Right-click the Desktop and select [Personalize] > [Themes] > [Desktop icon settings]. Then, select the icons to display on the Desktop and press [OK].
Select the Start button [
] > [Settings].
Press the [
/
] key or [Ctrl] + [Esc] on the keyboard
to display the Start screen.
Select the [Personalization] > [Background].
Select a background or photo to use it as the wallpaper.
If you want to use your own picture as the background, select [Browse photos].
Select the Start button [
] > [Settings].
Press the [
/
] key or [Ctrl] + [Esc] on the keyboard
to display the Start screen.
Select [Personalization] > [Lock Screen] > [Screen Saver].
Enter the desired time under the [Wait] menu and check [On resume, display logon screen].
The password for this option is the same as the password for Windows log on.
Select [OK] to save the settings.