Lenovo U-550 Lenovo IdeaPad U550 UserGuide V1.0 - Page 14
Important safety information, Service and upgrades, Attention - battery
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Important safety information Service and upgrades Do NOT attempt to service a product yourself unless instructed to do so by the customer support center or your documentation. Attention: • DO NOT take risks or attempt to diagnose the situation yourself. Contact the customer support center for further guidance. For a list of service and support phone numbers, go to http://consumersupport.lenovo.com. Lenovo provides documentation with instructions when it is appropriate for customers to install options or replace units (CRUs). Closely follow all instructions when installing or replacing parts. Disconnect the attached power cords, battery pack, and all the cables before you open the device covers, unless instructed otherwise in the installation and configuration procedures. Keep the covers closed whenever the computer is plugged in. viii
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