30 Before Working on Your Computer
FILE LOCATION: C:\Documents and Settings\sarah_cook\Desktop\Tsing
Ma\SM\A01\EN\Source\before.fm
DELL CONFIDENTIAL – PRELIMINARY 9/4/09 - FOR PROOF ONLY
NOTICE: 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.
NOTICE: 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.
NOTICE: When disconnecting a cable, pull on the cable's connector or on its
strain-relief loop, not on the cable itself. For cable connectors with locking tabs,
press inward on the locking tabs to release the connector. When connecting a
cable, ensure that the connectors are correctly oriented and aligned to avoid
damage to the connector and/or the connector's pins.
1
Ensure that the work surface is flat and clean to prevent the computer
cover from being scratched.
2
Shut down your computer.
• In Windows XP, click
Start
→
Shutdown
→
Shutdown
.
• In Windows Vista, click
Start
, click the arrow
icon,
and then
click
Shut Down
to turn off your computer.
NOTE: Ensure that the computer is off and not in a power management mode.
If you cannot shut down the computer using the operating system, press and
hold the power button for 4 seconds.
3
Disconnect your computer and all attached devices from their electrical
outlets.
NOTICE: To disconnect a network cable, first unplug the cable from your computer,
and then unplug it from the network wall jack.
4
Disconnect any telephone or network cables from the computer.
5
Remove any installed cards from the ExpressCard slot and the 8-in-1
memory card reader.
NOTICE: To help prevent damage to the system board, you must remove the battery
from the battery bay before you service the computer.
NOTE: To avoid damage to the computer, use only the battery designed for this
particular Dell computer. Do not use batteries designed for other Dell computers.
6
Turn the computer upside down.
7
Slide the battery lock to the open position.
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