Lenovo ThinkCentre 3231 Hardware Maintenance Manual page 144

Figure 50. Power connectors on the system board
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Hardware Maintenance Manual
2. Open the computer cover. See "Opening the computer cover" on page 128.
3. Pivot the drive bay assembly upward to gain access to the power supply.
4. Locate the power supply. See "Locating components" on page 130.
5. Disconnect the power supply cables from the power connectors 1 and 2
and from all drives.
Note: You might need to remove the hard disk drive for easier access to the
power connector 2 . See "Replacing the hard disk drive" on page 148.
6. Remove the power supply cables from the cable clips and ties.