Fear of oversleeping at work, or fear of missing a date with friends, we will habitually set an alarm clock on the phone every few minutes. The list of alarms is not enough to fill the screen, so you can't sleep with peace of mind.

When the "device in use" message appears when ejecting a USB flash drive, it is usually due to a program using files from the device. To do this, we need to close the program or window that is using the data on the USB drive and then try to eject it again.