Dell Inspiron 3700 Reference Manual page 69

<Fn> + up arrow
<Fn> + right arrow
<Fn> + left arrow
<Fn><F5>
<Fn><F7>
<Fn><F8>
<Fn><d>
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True Simul-mode (the ability to simultaneously display video of the same content and resolution on both the computer display screen and
the external display) is not supported if the system is booted to MS-DOS®, using a full-screen MS-DOS session under a Microsoft®
Windows® operating system, or the ATI Mobility M1 video driver is not loaded. This limitation may also be noted in operating systems other
than Microsoft Windows.
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Certain key combinations may not function with the Advanced Configuration and Power Interface (ACPI) or may require configuration with
the Power Management Properties window in the Control Panel. See
Power Conservation Key Combinations
NOTE: On an external keyboard, use <Scroll Lock> with the appropriate keys if the External Hot Key option is enabled in the System
Setup program.
Use the key combinations in Table 3 to activate or turn off the computer's power conservation features.
Table 3. Power Conservation Key Combinations
Key Combinations
<Fn><d>
<Fn><h>
<Fn><Esc>
<Fn><a> or
<Fn><q> on French
keyboards
* This key combination does not function with ACPI if the settings have not been configured with the Power Management Properties window in
the Control Panel. See Power Management
Processing Speed Key Combinations
NOTE: On an external keyboard, use <Scroll Lock> with the appropriate keys if the External Hot Key option is enabled in the System
Setup program.
Use the key combinations in Table 4 to change the computer's processing speed.
Table 4. Processing Speed Key Combinations
<Fn><\> Switches between the microprocessor's maximum speed and a slower
compatibility speed
<Ctrl><\> In full MS-DOS mode or in a full-screen DOS box, switches between the
microprocessor's maximum speed and a slower compatibility speed
Incrementally increases brightness.
Decreases contrast, which has no effect on an active-matrix display.
Increases contrast, which has no effect on an active-matrix display.
Toggles the computer's display between regular video mode and reverse video mode
(white on black). This key combination works only if the computer is in text mode; it has no
effect if the computer is running a graphical operating system or application program.
Toggles the computer's display between expanded mode and regular video mode.
Switches the video image to the next display in the following sequence: the display, an
external monitor, or both displays simultaneously. This key combination may not be
supported under certain conditions.
Turns off the display. This key combination may not be supported under certain conditions.
Function
Turns off the display*
Turns off the hard-disk drive*
Activates sleep or standby mode
Activates save-to-disk suspend (S2D) mode*
Settings.
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Power Management Settings.
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