FRU Removals and Replacements

  FRU Removals and Replacements

This section contains information about removals and replacements.

See >   Writing the VPD Data

  1.  Do not damage any parts. Only certified and trained personnel should service the computer.
  2.  The arrows in this section show the direction of movement to remove a FRU, or to turn a screw  to release the FRU. The arrows are marked in numeric order, in square callout, to show the  correct sequence of removal.
  3.  Any FRUs that must be removed before removing the failing FRU are listed at the top of the page.
  4.  To replace a FRU, reverse the removal procedure and follow any notes that pertain to replacement.  See 'Locations' for internal cable connections and arrangement information.
  5.  When replacing a FRU, use the correct screw size, as shown in the procedure.

Safety Notice 1:
Before the computer is powered-on after FRU replacement, make sure all screws, springs, or other small parts, are in place and are not left loose inside the computer. Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical short circuits.

Safety Notice 3:
The battery pack contains small amounts of nickel.
Do not disassemble it, throw it into fire or water, or short-circuit it.
Dispose of the battery pack as required by local ordinances or regulations.

Safety Notice 8:
Before removing any FRU, power-off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables.

  - Attention - The system board is sensitive to, and can be damaged by, electrostatic discharge.
Establish personal grounding by touching a ground point with one hand before touching these units.

An electrostatic discharge (ESD) strap (P/N 6405959) must be used to establish personal grounding.

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