Hot swappable means the same thing whether the computer is a laptop, desktop or server. It means that you can remove and replace a drive (hard drive or removable media) while the computer is running.
hot-swappable
A common internal laptop component that is sometimes designed as a hot swappable device is the optical drive. This depends on the manufacturer and model, though.
Yes, HDMI is hot swappable, meaning that you can connect and disconnect devices without needing to power them off first.
Unplug the laptop and remove the battery.
There is no correct or in correct way to do it. A hot-swappable device can be removed while running the computer. i.e. if u have a faulty harddrive that is hot-swappable you can quickly remove it and slap the other one on and continue working.
Hot swappable
use a hardware removal tool
Yes, the HDMI port on this device is hot swappable, allowing for seamless connection and disconnection of devices without the need for a system restart.
It allows to use USB hot-swappable devices, the data transfer is not that bad, and supports huge number of devices.
Yes, PC Cards are hot swappable.
What should always be done prior to replacing components that are not hot-swappable in a laptop