Before You Begin; Preparing To Work Inside The Computer - Dell Latitude C540 Service Manual

Before You Begin: Dell Latitude C540/C640 Service Manual
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Before You Begin

Dell™ Latitude™ C540/C640 Service Manual

Preparing to Work Inside the Computer

Recommended Tools
Screw Identification
Preparing to Work Inside the Computer
CAUTION:
instructions in your System Information Guide.
CAUTION:
your computer. Damage due to servicing that is not authorized by Dell
is not covered by your warranty.
NOTICE: To avoid damaging the computer, perform the following steps before
you begin working inside the computer.
1. Ensure that the work surface is clean to prevent scratching the computer cover.
2. Save any work in progress and exit all open programs.
3. Turn off the computer and all attached devices.
NOTE: Before turning off the computer, ensure that the computer is not in a
power management mode. If you cannot shut down the computer using the
computer operating system, press and hold the power button for 4 seconds.
4. If the computer is connected (docked) to a docking device, undock it. See the
documentation that came with the docking device for instructions.
5. Disconnect the computer and any attached devices from electrical outlets.
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Before working inside your computer, read the safety
Only a certified service technician should perform repairs on