Dell Inspiron One 2305 Service Manual page 7

Before You Begin: Dell Inspiron One 2305/2310 Service Manual
before connecting to the power source.
CAUTION: Only a certified service technician is authorized to remove the computer cover and access any of
the components inside the computer. See the safety instructions for complete information about safety
precautions, working inside your computer, and protecting against electrostatic discharge.
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 your computer).
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.
CAUTION: 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 the computer display from being scratched.
2. Turn off your computer (see
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the
cable from the network device.
3. Disconnect all telephone or network cables from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets.
5. Disconnect all attached devices from your computer.
6. Press and hold the power button while the computer is unplugged to ground the system board.
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.
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Turning Off Your Computer) and all attached devices.