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

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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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Contents Regulatory Model P16F Regulatory Type P16F001 Page Contents Hard Drive Hold Switch 101 Before Working Inside Your Computer Working on Your ComputerPage Recommended Tools Turning Off Your ComputerAfter Working Inside Your Computer Page Removing The Battery BatteryInstalling The Battery Removing The Memory Card Memory CardInstalling The Memory Card Removing The Phone Subscriber Identity Module SIM Subscriber Identity Module SIM CardInstalling The Phone Subscriber Identity Module SIM Removing The Access Panel Access PanelInstalling The Access Panel Removing The Memory Module MemoryInstalling The Memory Module Removing The Optical Drive Optical DriveInstalling The Optical Drive Removing The Hard Drive Hard DriveInstalling The Hard Drive Removing The ExpressCard ExpressCardInstalling The ExpressCard Removing The ExpressCard Board ExpressCard BoardPage Installing The ExpressCard Board Page Removing The Wireless Wide Area Network Wwan Card Wireless Wide Area Network Wwan CardInstalling The Wireless Wide Area Network Wwan Card Removing The Keyboard KeyboardPage Installing The Keyboard Page Removing The Wireless Local Area Network Wlan Card Wireless Local Area Network Wlan CardInstalling The Wireless Local Area Network Wlan Card Removing The Palm Rest Palm RestPage Page Page Page Installing The Palm Rest Install the access panel Install the battery Page Removing The Fingerprint Reader Fingerprint ReaderPage Installing The Fingerprint Reader Page Hold Switch Removing The Hold SwitchInstalling The Hold Switch Follow the procedures in After Working Inside Your Computer Removing The Speakers SpeakerPage Install the display assembly Install the ExpressCard board Installing The SpeakersFollow the procedures in After Working Inside Your Computer Removing The Power-Button Board Power-Button BoardInstalling The Power-Button Board Removing The Quick-Launch Button Board Quick Launch Button BoardInstalling The Quick Launch Button Board Coin-Cell Battery Removing The Coin-Cell BatteryInstalling The Coin-Cell Battery Follow the procedures in After Working Inside Your Computer Removing The Heatsink Heat SinkLift up the heat sink and remove it from the system board Installing The Heat Sink Page Removing The Processor ProcessorLift up the processor and remove Installing The Processor Page Removing The Display Assembly Display AssemblyPage Page Installing The Display Assembly Removing The Display Bezel Display BezelInstall the display assembly Installing The Display BezelRemoving The Camera CameraInstalling The Camera Follow the procedures in After Working Inside Your Computer Page Removing The Display Brackets, Hinges And Panel Display Brackets and HingesPage Page Installing The Display Brackets, Hinges and Panel Install the display assembly Page Removing The System Board System BoardPage Installing The System Board Follow the procedures in After Working Inside Your Computer Removing The Left And The Right Input/Output Board Left Input/Output BoardPage Installing The Left And The Right Input/Output I/ O Board Page System Setup System Setup OverviewSystem Setup Enter Action System Setup ScreensSystem Information System Setup OptionsProcessor Information Memory InformationSata ODD Device InformationSecurity Exit Battery Status Lights DiagnosticsDiagnostic Beep Codes Device Status LightsBeep Possible Cause Troubleshooting Steps Memory SpecificationsPorts and Connectors VideoCommunications Keyboard TouchpadDisplay 1366 x 768 pixels at 263 K colors Maximum Brightness Nits Operating angle Closed to 107 Battery Battery AC Adapter Physical Environmental Contacting Dell Contacting Dell

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