Replacing The System Board; Types 7816, 7817, 9686 And 9687 - Lenovo J200 Hardware Maintenance Manual

Replacing the system board

This procedure describes how to remove and replace the system board. The
procedure varies depending upon the machine type.

Types 7816, 7817, 9686 and 9687

10. Disconnect the heat sink and fan assembly cable from the system board. See
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Hardware Maintenance Manual
Important
The heat sink and microprocessor might be very hot. Make sure these
components are cool enough to safely handle before continuing this
procedure.
1. Remove the side cover. See "Removing the cover" on page 123.
2. Place the computer on its right side to help make the system board more
accessible.
3. Remove any adapter cards installed in the PCI connectors.
4. Disconnect the signal and power cables from the hard disk drive.
5. Press the release tab 1 down, slide the hard drive cage 2 back, and pivot
the hard disk drive outward as shown.
6. Carefully take note of the location of all cable connections on the system
board and disconnect all cables. See the system board illustration for your
machine type at "Locating parts on the system board" on page 125.
7. Remove the screws that secure the system board to the chassis.
8. Lift the system board out of the chassis.
9. Remove the memory modules from the failing system board and install them
in the same location on the new system board.
the system board illustration for your machine type at "Locating parts on the
system board" on page 125.