66Appendix A: Safety, Environmental, and Regulatory InformationWhen Working Inside YourDeviceDo not attempt to service the equipmentyourself, except as explained in your Delldocumentation or in instructions otherwiseprovided to you by Dell.Always follow installation and serviceinstructions closely.Some internal components, such as PC Cards,may become very warm during normal operation.Before touching any internal components, allowtime 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. Toprevent any risk of exposure to laser radiation,do not disable or open any ODD assembly forany reason.These ODDs comply with safety requirementsand are classified as Class 1 Laser Products,under IEC/EN60825-1 Laser Safety Standard.These ODD devices contain no user adjustmentsnor any user serviceable or replaceable parts.NOTE: Additional user information for youroptical storage device may be availableunder the “Manuals” section at support.dell.com.Protecting Against ElectrostaticDischargeElectrostatic discharge (ESD) events can harmelectronic components inside your equipment.To prevent ESD damage, you should dischargestatic electricity from your body before youinteract with any of your equipment’s internalelectronic components by touching a metalgrounded object, such as an unpainted metalsurface on your computer’s I/O panel. Inaddition, as you work inside the equipment,periodically discharge any static charge yourbody may have accumulated.