w w w . d e l l . c o m | s u p p o r t . d e l l . c o m12 CAUTION: Safety Ins tr uctions• Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by itsedges or by its metal mounting bracket. Hold a component such as a microprocessor chip by its edges, not by itspins.CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the batteryonly with the same or equivalent type recommended by the manufacturer. Do not dispose of the batteryalong with household waste. Contact your local waste disposal agency for the address of the nearestbattery deposit site.SAFETY: Protecting Against Electrostatic DischargeStatic electricity can harm delicate components inside your computer. To prevent static damage, discharge staticelectricity from your body before you touch any of your computer’s electronic components, such as the microprocessor.You can do so by touching an unpainted metal surface on the computer chassis.As you continue to work inside the computer, periodically touch an unpainted metal surface to remove any static chargeyour body may have accumulated.You can also take the following steps to prevent damage from electrostatic discharge (ESD):• Do not remove components from their antistatic packing material until you are ready to install the component inyour computer. Just before unwrapping the antistatic packaging, discharge static electricity from your body.• When transporting an electrostatic sensitive component, first place it in an antistatic container or packaging.• Handle all electrostatic sensitive components in a static-safe area. If possible, use antistatic floor pads andworkbench pads.SAFETY: Ergonomic Computing HabitsCAUTION: Improper or prolonged keyboard use may result in injury.CAUTION: Viewing the monitor screen for extended periods of time may result in eye strain.For comfort and efficiency, observe the ergonomic guidelines in the Tell Me How help file when setting up and using yourcomputer. To access help files, see page 32.SAFETY: Battery DisposalYour computer uses a lithium coin-cell battery. The lithium coin-cell battery is a long-life battery, and it is very possiblethat you will never need to replace it. However, should you need to replace it, see page 94.Do not dispose of the battery along with household waste. Contact your local waste disposal agency for the address of thenearest battery deposit site.SAFETY: When Using Your Computer