Dell Latitude 14 Rugged Extreme Dell 7404Series Owners Manual - Page 14

Turning Stealth Mode On/Off, Disabling Stealth Mode in the System Setup (BIOS)

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3. Key NOTE: Lock affects only the above keys . Secondary functions will not require the key to be pressed while enabled. Activating the Function (Fn) lock 1. Press the + keys NOTE: Other secondary functions on keys below the top row are not affected and requires the use of the key. 2. Press the + keys again to deactivate the function lock feature. The function keys return to their default actions. Turning Stealth Mode On/Off 1. Press the + key combination ( key not needed if Fn lock is activated) to turn on stealth mode. NOTE: Stealth mode is a secondary function of the key. The key can be used to perform other functions on the computer when not used with the key to activate stealth mode. 2. All the lights and sounds are turned off. 3. Press the + key combination again to turn off the stealth mode. Disabling Stealth Mode in the System Setup (BIOS) 1. Power off the computer. 2. Power on the computer and at the Dell logo, tap the key repeatedly to bring up the System Setup menu. 3. Expand and open the System Configuration menu. 4. Select Stealth Mode Control. NOTE: Stealth mode is enabled by default. 5. Select Disable to disable the stealth mode. 6. When complete, Apply changes and Exit the BIOS or system setup. 14

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3.
<Fn> Key
NOTE:
<Fn> Lock affects only the above keys . Secondary functions will not require the <Fn> key to
be pressed while enabled.
Activating the Function (Fn) lock
1.
Press the <Fn> + <Esc> keys
NOTE:
Other secondary functions on keys below the top row are not affected and requires the
use of the <Fn> key.
2.
Press the <Fn> + <Esc> keys again to deactivate the function lock feature.
The function keys return to their default actions.
Turning Stealth Mode On/Off
1.
Press the
<Fn> + <F7>
key combination (<Fn> key not needed if Fn lock is activated) to turn on
stealth mode.
NOTE:
Stealth mode is a secondary function of the <F7> key. The key can be used to perform
other functions on the computer when not used with the <Fn> key to activate stealth mode.
2.
All the lights and sounds are turned off.
3.
Press the
<Fn> + <F7>
key combination again to turn off the stealth mode.
Disabling Stealth Mode in the System Setup (BIOS)
1.
Power off the computer.
2.
Power on the computer and at the Dell logo, tap the
<F2>
key repeatedly to bring up the
System
Setup
menu.
3.
Expand and open the
System Configuration
menu.
4.
Select
Stealth Mode Control
.
NOTE:
Stealth mode is enabled by default.
5.
Select
Disable
to disable the stealth mode.
6.
When complete,
Apply
changes and
Exit
the BIOS or system setup.
14