Dell 3550 Recommended Tools, Turning Off Your Computer, After Working Inside Your Computer

11.Remove any installed ExpressCards or Smart Cards from the appropriate slots.

Recommended Tools

The procedures in this document may require the following tools:

•Small flat-blade screwdriver

•#0 Phillips screwdriver

•#1 Phillips screwdriver

•Small plastic scribe

•Flash BIOS update program CD

Turning Off Your Computer

CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

1.Shut down the operating system:

•In Windows Vista :

Click Start , then click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down.

•In Windows XP:

Click Start → Turn Off Computer → Turn Off . The computer turns off after the operating system shutdown process is complete.

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.

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