Turning Off Your Computer; After Working Inside Your Computer - Dell Latitude 3390 2-in-1 Owner's Manual

CAUTION: Make sure that you place the cooler outlet side of your system at least 5 cm away from wall to prevent system
overheat.
CAUTION: Your system cannot be placed crosswise and make sure that there is no equipment on the side cover.

Turning off your computer

After working inside your computer

After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your
computer.
CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries
designed for other Dell computers.
1 Replace the battery.
2 Replace the base cover.
3 Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard.
4 Connect any telephone or network cables to your computer.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
5 Connect your computer and all attached devices to their electrical outlets.
6 Turn on your computer.
8 Working on your computer