Dell Latitude C840 User Guide - Page 109

Commonly Used Options

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l Battery charge status l Power management settings l System security and hard drive password settings NOTE: Certain options require that you reboot the computer for new settings to take effect. Commonly Used Options Changing the Boot Sequence The boot sequence, or boot order, tells the computer where to look to find the software needed to start the operating system. You can control the boot sequence using the Boot Order page of the system setup program. The Boot Order page displays a general list of the bootable devices that may be installed in your computer, including but not limited to the following: l Diskette Drive l Modular bay HDD l Internal HDD l CD/DVD/CD-RW drive During the boot routine, the computer starts at the top of the list and scans each enabled device for the operating system startup files. When the computer finds the files, it stops searching and starts the operating system. To control the boot sequence, you can select (highlight) devices using the the and keys and then enable or disable them or change their order in the list. l To enable or disable a device, highlight the item and press disabled items appear blue or dimmed without a triangle. . Enabled items appear as white and display a small triangle to the left; l To reorder a device in the list, highlight the device and then press or (not case-sensitive) to move the highlighted device up or down. Boot sequence changes take effect as soon as you save the changes and exit the system setup program. Changing Printer Modes Set the Parallel Mode option according to the type of printer or device connected to the parallel connector. To determine the correct mode to use, see the documentation that came with the device. Setting Parallel Mode to Disabled disables the parallel port and the port's LPT address, freeing its interrupt for another device to use. Changing COM Ports Serial Port allows you to map the serial port COM address or disable the serial port and its address, freeing that interrupt for another device to use. Enabling the Infrared Sensor 1. Enter the system setup program: a. Turn on your computer. b. Press when the Dell™ logo appears.

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l
Battery charge status
l
Power management settings
l
System security and hard drive password settings
Commonly Used Options
Changing the Boot Sequence
The
boot sequence,
or
boot order,
tells the computer where to look to find the software needed to start the operating system. You can control the boot
sequence using the Boot Order page of the system setup program.
The Boot Order page displays a general list of the bootable devices that may be installed in your computer, including but not limited to the following:
l
Diskette Drive
l
Modular bay HDD
l
Internal HDD
l
CD/DVD/CD-RW drive
During the boot routine, the computer starts at the top of the list and scans each enabled device for the operating system startup files. When the computer
finds the files, it stops searching and starts the operating system.
To control the boot sequence, you can select (highlight) devices using the the
and
keys and then enable or disable them or change their order in
the list.
l
To enable or disable a device, highlight the item and press
. Enabled items appear as white and display a small triangle to the left;
disabled items appear blue or dimmed without a triangle.
l
To reorder a device in the list, highlight the device and then press
or
(not case-sensitive) to move the highlighted device up or down.
Boot sequence changes take effect as soon as you save the changes and exit the system setup program.
Changing Printer Modes
Set the
Parallel Mode
option according to the type of printer or device connected to the parallel connector. To determine the correct mode to use, see the
documentation that came with the device.
Setting
Parallel Mode
to
Disabled
disables the parallel port and the port's LPT address, freeing its interrupt for another device to use.
Changing COM Ports
Serial Port
allows you to map the serial port COM address or disable the serial port and its address, freeing that interrupt for another device to use.
Enabling the Infrared Sensor
1.
Enter the system setup program:
a.
Turn on your computer.
b.
Press
when the Dell™ logo appears.
NOTE:
Certain options require that you reboot the computer for new settings to take effect.