Samsung NP-R620E User Manual page 12

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Never disassemble the power
supply or AC adapter.
There is a danger of electric shock.
When removing the RTC (Real
Time Clock) battery, keep it out
of the reach of children as they
could touch and/or swallow it.
There is a danger of choking. If a
child has swallowed it, contact a
doctor immediately.
Use only authorized parts (multi-
plug, battery and memory) and
never disassemble parts.
There is a danger of damaging
the product, electric shock or fire
hazard.
11
Shut down the computer and
disconnect all cables before
disassembling the computer. If
there is a modem, disconnect
the phone line. If you are
disassembling a notebook
computer, make sure to remove
the battery.
Failing to do so, may cause electric
shock.