HP KS159UT HP 550 Notebook PC - Maintenance and Service Guide - Page 77

Reverse the preceding procedure to install the system board., PATA or 495386-001 SATA.

Page 77 highlights

6. Remove the system board (4) from the base enclosure by sliding it back. 7. If it is necessary to replace the optical drive connector board, remove it from the connector on the system board. The optical drive connector board is available using spare part numbers 456805-001 (PATA) or 495386-001 (SATA). Reverse the preceding procedure to install the system board. Component replacement procedures 69

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6.
Remove the system board
(4)
from the base enclosure by sliding it back.
7.
If it is necessary to replace the optical drive connector board, remove it from the connector on the
system board. The optical drive connector board is available using spare part numbers 456805-001
(PATA) or 495386-001 (SATA).
Reverse the preceding procedure to install the system board.
Component replacement procedures
69