Dell Precision 490 - Manual (Page 10)

l Access information about your computer, such as how many processors it has and what operating system it is running
l Monitor the status of your computer, such as listening for thermal alerts from temperature probes or hard-drive failure alerts from storage devices
l Change the state of your computer, such as updating its BIOS or shutting it down remotely
A managed system is one that has Dell OpenManage Client Instrumentation set up on a network that uses IT Assistant. For information about Dell
OpenManage Client Instrumentation, see the Dell OpenManage Client Instrumentation User's Guide available on the Dell Support website at support.dell.com.
Security
Chassis Intrusion Detection
This feature, if installed and enabled, alerts the user if the chassis has been opened. To change the Chassis Intrusion setting:
1. Enter the system setup program. See System Setup .
2. Press the down-arrow keys to move to the Security option.
3. Press <Enter> to access the menu.
4. Use the down-arrow key to select Chassis Intrusion.
5. Use the left- and right-arrow keys to select an option setting.
6. Exit the system setup program.
Option Settings
l On — If the computer cover is opened, the setting changes to Detected, and the following alert message displays during the boot routine at the next
computer start-up:
Alert! Cover was previously removed.
l On-Silent (default) — If the computer cover is opened, the setting changes to Detected. No alert message appears during the boot sequence at the
next computer start-up.
l Off — No intrusion monitoring occurs and no messages appear.
To reset the Detected setting:
1. Enter the system setup program. See System Setup .
2. Press the down-arrow keys to move to the Security option.
3. Press <Enter> to access the menu.
4. Use the down-arrow key to select Intrusion Alert.
5. Use the left- and right-arrow keys to select Acknowledge.
6. Restart the computer and implement your changes.
Padlock Ring and Security Cable Slot
Use one of the following methods to secure your computer:
l Use a padlock alone or a padlock and looped security cable with the padlock ring.
A padlock alone prevents the computer from being opened.
A security cable looped around a stationary object is used in conjunction with a padlock to prevent unauthorized movement of the computer.
l Attach a commercially available antitheft device to the security cable slot on the back of the computer.
NOTE: When the administrator password is enabled, you must know the administrator password before you can reset the Chassis Intrusion setting.