Lenovo GP20N Bedienungsanleitung PDF herunterladen (Seite 9)

General safety guidelines

Always observe the following precautions to reduce the risk of injury

and property damage.

Service

Do not attempt to service a product yourself unless instructed to do

so by the Customer Support Center. Use only a service provider who

is approved to repair your particular product.

Note: Some parts can be upgraded or replaced by the customer.

These parts are referred to as Customer Replaceable Units, or

CRUs. Lenovo expressly identifies CRUs as such, and

provides

documentation

with instructions when it is appropriate for

customers to replace those parts. You must closely follow all

instructions when performing such replacements. The Off

state of a power indicator does not necessarily mean that

voltage levels inside a product are zero. Always make sure

that the power is turned off and that the product is unplugged

from any power source before you attempt the replacement. If

you have any questions or concerns, contact the Customer

Support Center.

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Lenovo GP20N Bedienungsanleitung Seite 9