Lenovo 4157 - ThinkStation S20 - 2 GB RAM, Hardware Maintenance Manual

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Replacing the hard disk drive fan assembly
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkStation
Safety and Warranty Guide , go to:
http://www.lenovo.com/support.
Your computer might have a hard disk drive fan assembly installed. To replace the hard disk drive fan
assembly:
1. Remove the computer cover. See “Removing the cover” on page 76.
2. Locate the hard disk drive fan assembly. The hard disk drive fan assembly is attached to the side of
the hard disk drive bay.
3. Disconnect the hard disk drive fan assembly cable from the system board. See “Locating parts on the
system board ” on page 79.
4. Press the two latches on the hard disk drive fan assembly bracket and then slide the fan assembly
bracket free from the chassis.
5. Connect the new hard disk drive fan assembly cable to the hard disk drive fan assembly connector
on the system board.
6. Install the new hard disk drive fan assembly bracket into the chassis by aligning the four latches 1 on
the bracket with the corresponding holes in the chassis and pushing the bracket inward until it snaps
into position.
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ThinkStation Hardware Maintenance Manual