CAUTION:
Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage
due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came
with the product.
CAUTION:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an
unpainted metal surface, such as a connector on the back of the computer.
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 processor by its edges, not by its pins.
CAUTION:
When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have
connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the
cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a
cable, ensure that both connectors are correctly oriented and aligned.
NOTE:
The color of your computer and certain components may appear differently than shown in this document.
To avoid damaging your computer, perform the following steps before you begin working inside the computer.
1
Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
2
Turn off your computer (see
3
If the computer is connected to a docking device (docked), undock it.
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 base cover.
8
Remove the main battery.
9
Turn the computer top-side up.
10 Open the display.
11 Press and hold the power button for few seconds, 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.
12 Remove any installed ExpressCards or Smart Cards from the appropriate slots.
GUID-52C8386F-7013-4A8E-912D-2DF589CA6CA4
Turning off your computer
Working on your computer
9
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