Microprocessor 163
18 Close the computer cover.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then
plug it into the computer.
19
Connect your computer and devices to electrical outlets, and turn them on.
Removing the Microprocessor
NOTE: It is recommended that only a technically knowledgeable person perform this procedure.
CAUTION: The processor can get very hot during normal operation. Ensure that
the processor has had sufficient time to cool before you touch it.
CAUTION: Before you perform this procedure, follow the safety instructions in
the
System Information Guide
.
1 Shut down the computer through the Start menu.
2 Ensure that your computer and attached devices are turned off. If your computer and
attached devices did not automatically turn off when you shut down your computer,
turn them off now.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then
unplug it from the network wall jack.
3
Disconnect any telephone or telecommunication lines from the computer.
4 Disconnect your computer and all attached devices from electrical outlets, and then
press the power button to ground the system board.
5 If you have installed a padlock through the padlock ring on the back panel, remove the
padlock.
CAUTION: To guard against electrical shock, always unplug your computer from
the electrical outlet before opening the cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an
unpainted metal surface, such as the metal at the back of the computer. While you work,
periodically touch an unpainted metal surface to dissipate any static electricity that could harm
internal components.
6
Open the computer cover.
7 Remove the microprocessor airflow shroud (for the Dell Precision 650 computer, see
"Microprocessor Airflow Shroud" or for the Dell Precision 450 computer, see
"Microprocessor Airflow Shroud").
To Next Page
Loading...
