Dell Vostro 3550 (Early 2011) - Manual (Page 9)

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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