Lenovo 10BN, Руководство по техническому обслуживанию аппаратной части

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7. Remove the eight screws that secure the system board.
Figure 41. Removing the eight screws that secure the system board
8. Carefully slide the system board so that it can be released from the mounting studs that secure the
system board in place.
9. Lift the system board out of the chassis.
10. Remove the microprocessor from the failing system board and install it on the new system board. See
“Replacing the microprocessor” on page 102.
11. Install the new system board into the chassis by aligning the eight mounting studs in the chassis with the
corresponding holes in the new system board. Carefully slide the new system board into the chassis until
it is secured in place by the mounting studs. Then, install the eight screws to secure the system board.
12. Install the heat sink and fan assembly and connect the heat sink and fan assembly cable to the new
system board. See “Replacing the heat sink and fan assembly” on page 100.
13. Install all memory modules and PCI cards removed from the failing system board on the new system
board. See “Installing or replacing a memory module” on page 85 and “Installing or replacing a PCI
card” on page 82.
14. Reconnect all remaining cables to the system board. See “Locating parts on the system board”
on page 71.
15. To complete the replacement, go to “Completing the parts replacement” on page 132.
Replacing the primary hard disk drive
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important safety information”
on page 1.
Chapter 9
.
Replacing FRUs (machine types: 1562, 1565, 1662, 1663, 1765, 1766, 2011, 2110,
2111, 2112, 10BN, 10BQ, and 10BR)
105