Installing System Components 99

Installing a Processor

CAUTION: Many repairs may only be done by a certified service technician.
You should only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
1
If you are upgrading your processors, prior to upgrading your system,
download and install the latest system BIOS version from
support.dell.com
. Follow the instructions included in the file download to
install the update on your system.
NOTE: In single-processor configurations, socket CPU1 must be used.
2
Unpack the processor if it has not been used previously.
If the processor has already been used, remove any thermal grease from the
top of the processor using a lint-free cloth.
3Align the
p
rocessor with the
socket keys on t
he ZIF socket.
See
Figure 3-19.
CAUTION: Positioning the processor incorrectly can permanently damage the
system board or the processor. Be careful not to bend the pins in the ZIF socket.
4
With the release lever on the processor socket in the open position, a
lign
the
p
rocessor with
the
socket
keys
and set the processor lightly in the
socket.
CAUTION: Do not use force to seat the processor. When the processor is
positioned correctly, it engages easily into the socket.
5
Close the processor shield.
6
R
otate the socket release lever down until it snaps into place.
7
Using a clean lint-free cloth, remove the thermal grease from the heat sink.
8
Open the grease packet included with your processor kit and apply thermal
grease evenly to the center of the top of the new processor.
CAUTION: Using excess thermal grease can cause grease to contact the
processor shield, which can cause contamination of the processor socket.
9Place the heat sink on the processor. See
Figure 3-18
.
book.book Page 99 Friday, January 6, 2012 2:11 PM