Lenovo 57323748, B550 manual Important safety information, Service and upgrades, Danger

Models: B550 57323748

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Service and upgrades

Important safety information

Do not drop, bump, scratch, hit or place heavy objects on the liquid crystal display (LCD) of your computer.

￿Attention:

Direct contact with liquid crystal material from a broken LCD is hazardous; if contact occurs, rinse with large amount of running water for more than 15 minutes.

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.

Do NOT remove the cover of CD/DVD drive, power adapter, battery pack or other unserviceable parts.

￿Danger:

Open the cover of CD/DVD drive or power adapter may result in an electric shock, laser radiation or even a explosion.

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Lenovo 57323748, B550 manual Important safety information, Service and upgrades, Danger