Before You Begin: Dell Latitude D400 Service Manual
Before You Begin
Dell™ Latitude™ D400 Service Manual
Preparing to Work Inside the Computer
Preparing to Work Inside the Computer
CAUTION:
Only a certified service technician should perform repairs on your
computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions in the
System Information
Guide
that came with the computer.
CAUTION:
To prevent static damage to components inside your computer, discharge
static electricity from your body before you touch any of your computer's electronic
components. You can do so by touching an unpainted metal surface.
CAUTION:
Handle components and cards with care. Do not touch the components or
contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a
component such as a microprocessor by its edges, not by its pins.
NOTICE:
To avoid damaging the computer, perform the following steps before you begin
working inside the computer.
1. Ensure that the work surface is flat and 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:
Ensure that the computer is off and 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 to a docking device (docked), undock it.
5. Disconnect the computer from the electrical outlet.
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