![](/images/new-backgrounds/1112637/112637247x1.webp)
5.Connect the power cord to the power cord connector on the new
6.If you are instructed to return the old
Installing or replacing a heat sink
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information” on page iii and “Guidelines” on page 69.
This topic provides instructions on how to install or replace a heat sink.
CAUTION:
The heat sink might be very hot. Turn off the server and wait three to five minutes to let the server cool before removing the server cover.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another computer for reference.
Note: Depending on the model, your server might look slightly different from the illustrations in this topic.
To install or replace a heat sink, do the following:
1.Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the server.
2.If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a flat, clean, and
3.Remove the server cover. See “Removing the server cover” on page 71.
4.Remove the cooling shroud. See “Removing and reinstalling the cooling shroud” on page 76.
5.Locate the heat sink or the place for installing the second heat sink. See “Server components” on page 29.