Dell Dimension 2010 - Manual (Page 68)

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Appendix A: Safety, Environmental, and Regulatory Information
When Working Inside Your
Device
Do not attempt to service the equipment
yourself, except as explained in your Dell
documentation or in instructions otherwise
provided to you by Dell.
Always follow installation and service
instructions closely.
Some internal components, such as PC Cards,
may become very warm during normal operation.
Before touching any internal components, allow
time for them to cool.
This product may contain Optical Disk Drives
(ODD), such as a CD-ROM, CDR/W, DVD drive,
etc., which have built-in laser devices. To
prevent any risk of exposure to laser radiation,
do not disable or open any ODD assembly for
any reason.
These ODDs comply with safety requirements
and are classified as Class 1 Laser Products,
under IEC/EN60825-1 Laser Safety Standard.
These ODD devices contain no user adjustments
nor any user serviceable or replaceable parts.
NOTE: Additional user information for your
optical storage device may be available
under the “Manuals” section at support.
dell.com.
Protecting Against Electrostatic
Discharge
Electrostatic discharge (ESD) events can harm
electronic components inside your equipment.
To prevent ESD damage, you should discharge
static electricity from your body before you
interact with any of your equipment’s internal
electronic components by touching a metal
grounded object, such as an unpainted metal
surface on your computer’s I/O panel. In
addition, as you work inside the equipment,
periodically discharge any static charge your
body may have accumulated.