Important notes
Notes on installing and removing boards and components
Only qualified technicians should repair the device. Unqualified users who open the
notebook’s case expose themselves to electric shock and fire hazards.
!
Boards with electrostatic sensitive devices (ESD) are identifiable by the label shown.
When you handle boards fitted with ESDs, you must, under all circumstances, observe the following
points:
● You must statically discharge yourself before working with boards (e.g. by touching a grounded
object).
● The equipment and tools you use must be free of static charges.
● Pull out the power connector and remove the battery before you install or remove boards.
● Always hold boards with ESDs by their edges.
● Never touch pins or conductors on boards fitted with ESDs.
4 A26391-K220-Z122-1-7619, edition 1
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