Lenovo S200 Hardware Maintenance Manual - Page 106
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Types 7814, 7815, 9682, 9683, 9684, and 9685 Important The heat sink and microprocessor might be very hot. Make sure these components are cool enough to safely handle before continuing this procedure. Note: When replacing the system board you must also order a new retention module for the new system board. Make sure you have a retention module for the new system board before continuing with this procedure. 1. Remove the cover. See "Removing the cover" on page 85. 2. Lift the fan duct off the heat sink fan. 3. Remove any adapter cards installed in the PCI connectors. 4. You might have to remove the drive bay assembly to access the system board. See "Accessing system board components and drives" on page 90. 5. 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 87. 6. Remove the hard disk drive. See "Replacing the hard disk drive" on page 112. 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. 10. Disconnect the heat sink and fan assembly cable from the system board. See the system board illustration for your machine type at "Locating parts on the system board" on page 87. 11. Remove the four screws 1 securing the heat sink and fan assembly to the system board. 12. Lift the heat sink and fan assembly off the failing system board. Place the heat sink on its side so that the thermal grease does not come in contact with anything. 100 Hardware Maintenance Manual