vProduct servicingDo not attempt to service this product yourself, as opening or removing coversmay expose you to dangerous voltage points or other risks. Refer all servicing toqualified service personnel.Unplug this product from the wall outlet and refer servicing to qualified servicepersonnel when:• the power cord or plug is damaged, cut or frayed• liquid was spilled into the product• the product was exposed to rain or water• the product has been dropped or the case has been damaged• the product exhibits a distinct change in performance, indicating a needfor service• the product does not operate normally after following the operatinginstructionsNote: Adjust only those controls that are covered by the operatinginstructions, since improper adjustment of other controls mayresult in damage and will often require extensive work by aqualified technician to restore the product to normal condition.Replacing the battery packThe notebook uses lithium batteries. Replace the battery with the same type asthat which came bundled with your product. Use of another battery maypresent a risk of fire or explosion.Warning! Batteries may explode if not handled properly. Do notdisassemble or dispose of them in fire. Keep them away fromchildren. Follow local regulations when disposing of usedbatteries.Telephone line safety• Disconnect all telephone lines from the equipment when not in use and/orbefore servicing.• To avoid the remote risk of electric shock from lightning, do not connectthe telephone line to this equipment during lightning or thunderstorms.Warning! For safety reasons, do not use non-compliant partswhen adding or changing components. Consult your reseller forpurchase options.