Dell M3800 owner manual Turning off Your Computer, After Working Inside Your Computer

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CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.

4.Disconnect all network cables from the computer.

5.Disconnect your computer and all attached devices from their electrical outlets.

6.Close the display and turn the computer upside-down on a flat work surface.

NOTE: To avoid damaging the system board, you must remove the main battery before you service the computer.

7.Remove the main battery.

8.Turn the computer top-side up.

9.Open the display.

10.Press the power button to ground the system board.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the display.

CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.

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

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.

You can turn off your computer in two ways :

1.Using the power button

2.Using the charms menu

Using power button

1.Press and hold the Power button to turn off the screen.

Using charms

1.Swipe from the right edge of the display to access the Charms menu.

2.Touch Settings —> Power —> Shut down to turn off the computer.

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 Dell Precision M3800 Page Contents Diagnostics Working on Your Computer Before Working Inside Your ComputerTurning off Your Computer After Working Inside Your ComputerPage Recommended Tools System OverviewRemoving the Base Cover Front ViewPage Installing the Base Cover Removing the System Badge FlapInstalling the System Badge Flap Removing the Battery Installing the BatteryRemoving the Memory Modules Installing the Memory Modules Removing the TouchpadInstalling the Touchpad Removing the Hard DriveInstalling the Hard Drive Installing the Speakers Removing the SpeakersInstalling the Wlan Card Removing the Wlan CardRemoving the Coin-Cell Battery Installing the Coin-Cell BatteryRemoving the mSATA Card Installing the mSATA Card Removing the FansInstalling the Fans Removing the HeatsinkInstalling the Heatsink Removing the Power ConnectorInstalling the Power Connector Removing the Input/Output I/O BoardInstalling the I/O Board Removing the System BoardPage Installing the System Board Removing the Keyboard Installing the Keyboard Removing the Display Assembly Page Installing the Display Assembly Removing the Palmrest AssemblyPage Installing the Palmrest Assembly Boot Sequence Navigation KeysSystem Setup Options CPU IDAdvanced Security Boot Updating the Bios System and Setup PasswordAssigning a System Password and Setup Password Page Diagnostics Enhanced Pre-Boot System Assessment ePSA DiagnosticsDevice Status Light Technical Specifications Audio Feature Specification Active Area Axis 105 mm 80 mm Battery Physical Dimensions Page Contacting Dell