Adding and Replacing Parts 157
5
Connect your computer and devices to electrical outlets, and then turn
them on.
Resetting the Chassis Intrusion Detector
1
Enter System Setup (see "Entering System Setup" on page 81).
2
Use the up- or down-arrow keys to highlight the
Chassis Intrusion
menu
option, then press <Enter>.
3
Use the left- or right-arrow keys to select
Reset
.
4
Change the setting to
On
,
On-Silent
, or
Off
.
NOTE: The default setting is On-Silent.
5
Press <Esc>.
6
Press the left- and right-arrow keys to highlight
Save/Exit
, and then press
<Enter> to exit System Setup and restart your computer.
Memory
For information on the type of memory supported by your computer, see
"Specifications" on page 31.
NOTICE: Before you install new memory modules, download the most recent BIOS
for your computer from support.dell.com.
Memory Overview
• Memory modules should be installed in
pairs of matched memory size,
speed, and technology
. If the memory modules are not installed in matched
pairs, the computer will continue to operate, but with a slight reduction in
performance. See the label in the upper-right corner of the module to
determine the module’s capacity.
