Lenovo ThinkCentre A30 Hardware Maintenance Manual (HMM) for ThinkCentre 2296, - Page 67
Replacing, microprocessor, machine, types
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4. Lift the power supply out. To replace the power supply, do the following: 1. Install the new power supply and insert the two screws that hold the power supply in place. 2. Reconnect all power supply cables to the system board and the drives. See "Identifying parts on the system board (all machine types)" on page 40. 3. Go to "Replacing the cover and connecting the cables" on page 64. Replacing a microprocessor (all machine types) To remove the microprocessor, do the following: 1. Turn off the computer and peripheral devices and disconnect all external cables and power cords; then, remove the cover. See "Removing the cover" on page 32. 2. Remove any air baffles or ducts that cover the microprocessor. 3. Disconnect the heat sink fan cable from the system board. Refer to "Identifying parts on the system board (all machine types)" on page 40. Chapter 6. Replacing FRUs 61