Dell Precision T1600 (Early 2011) - Manual (Page 9)

b. Select the and then select Shut down
* Using a mouse:
a. Point to upper-right corner of the screen and click Settings.
b. Click the and select Shut down.
– In Windows 7:
1. Click Start .
2. Click Shut Down.
or
1. Click Start .
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 6 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.
1. Replace the cover.
CAUTION: To connect a network cable, first plug the cable into the network
device and then plug it into the computer.
2. Connect any telephone or network cables to your computer.
3. Connect your computer and all attached devices to their electrical outlets.
4. Turn on your computer.
5. If required, verify that the computer works correctly by running the Dell Diagnostics.
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