2. Click the arrow in the lower-right corner of the
Start
menu as shown below, and then
click
Shut Down.
.
2.
Ensure that the computer and all attached devices are turned off. If your computer and attached
devices did not automatically turn off when you shut down your operating system, press and hold
the power button for about 4 seconds to turn them off.
After Working Inside Your Computer
After you complete any replacement procedure, ensure 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.
Connect any external devices, such as a port replicator, battery slice, or media base, and replace
any cards, such as an ExpressCard.
2.
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.
3.
Replace the battery.
4.
Connect your computer and all attached devices to their electrical outlets.
5.
Turn on your computer.
7
Summary of Contents for Precision M3800
Page 1: ...Dell Precision M3800 Owner s Manual Regulatory Model P31F Regulatory Type P31F001 ...
Page 8: ...8 ...
Page 42: ...42 ...
Page 50: ...50 ...