2024年2月25日发(作者：鄞绮晴)
dell笔记本bios设置详解（Dell notebook BIOS settings detailed）
I. operation method
The new version of BIOS is based on Phoniex BIOS, compared with
other books on the same brand under the menu BIOS, Dell not only
joined the hardware diagnostic system, the interface is easy
to use, the level of detail on the text is also better. After
booting, when you appear on the top right corner of the screen
when prompted information, you can press the F2 button directly
into the BIOS; you can also press F12 to enter the boot device
selection menu, select the "BIOS SETUP" access.
BIOS interface as shown in Figure 1, the top display of the
book's model, the left is the function tree, the right side of
the current status and description text. The interface is the
same, and the operation direction is similar to the Windows
Explorer: move the cursor with the arrow keys up and down, use
the left and right arrow to expand / fold the sub item, press
enter to enter the setting, and then press enter to return.
After setting up, press the ESC key, select "Save/Exit", exit
for saving, and select "Discard/Exit" to exit without saving.
There is a small trick to press Alt+F to quickly restore factory
settings.
Two. Project definition
For each of the meanings of BIOS, see table 1:
This table is Vostro BIOS 1400, different hardware
configuration will lead to slightly different projects, such
as high-end Latitude book will have pointing rod, keyboard
light settings.
Three, each set item detailed explanation and establishment
suggestion
Below, the author carries on the detailed introduction to each
item, and embarks from the individual user, provides some set
suggestion. The Chinese meaning of the item on the screen will
be interpreted from left to right in the order of display.
1.1 System Info view system information
View the book model, current BIOS version, service number,
asset number, ownership number.
Individual users will only have service numbers, and large
numbers of machines purchased by large customers will have
asset numbers (Asset, Tag) and ownership numbers (Ownership,
Tag).
1.2 Processor Info view processor information
Look at the processor's type, number, current frequency,
minimum frequency, maximum frequency, cache size, and whether
it is dual core.
Intel mobile CPU in order to power considerations, there will
be a different frequency of work, note that the frequency change
here is only the design change value of CPU, allowing frequency
conversion in Performance to SpeedSetp Enable settings.
1.3 Memory Info view memory information
View the number of memory installed, the amount of memory
available, the memory, the frequency, and whether it is double
channel or memory type.
It is normal to use less memory than to install memory, and 32
bit Windows XP manages 2G memory at most.
1.4 Device Info view other device information
The primary hard disk capacity, detachable module, graphics
model, graphics BIOS version, memory, LCD screen type, optimum
resolution, sound card type, modem, wireless LAN equipment,
wireless network equipment, Bluetooth module, power adapter,
robson.
Removable modules usually display CD-ROM models.
1.5 Battery Info to see battery capacity
More intuitive battery capacity diagram.
1.6 Battery Health check battery health
When the battery is working, it is Normally.
One
7 Date/Time time and date settings
Needless to say, the amendment will take effect immediately.
1.8 Boot Sequence boot sequence settings
Support disk drive, hard disk, USB, CD-ROM drive, network five
boot methods.
Press space to disable a device boot, usually set HDD to the
first line, and when necessary start, press F12 and then
temporarily change.
2.1 Integrated NIC onboard integrated network card settings
You can set the network card to shutdown, allow, allow, and
support network boot.
Individual users do not need network guidance, and the advice
is set to allow (Enabled).
2.2, External, USB, Ports, USB port settings
Disable the USB port unless it is safe and secure to prevent
copying data from the U disk. Otherwise, set to allow (Enabled),
otherwise you so many USB devices plug in there?
2.3 Media Card and 1394 reader and 1394 interface
There are not many friends using tape Dv, and 1394 is not
necessary to open, but there are many friends with flash cards,
or Enabled.
2.4 SATA Operation hard disk SATA/AHCI mode setting
Windows XP does not support SATA hard disk, and SATA mode maps
SATA hard disk into IDE mode, so it doesn't need to install SATA
driver when loading XP. The AHCI model, in contrast to the SATA
model, requires the SATA driver to be installed when the XP is
loaded, while the AHCI mode is a prerequisite for the NCQ
(native command queue) function to turn on the hard disk.
Friends using XP, not installed before the SATA driver, do not
change to AHCI mode, otherwise the boot will be blue screen.
Vista supports AHCI, and friends with Vista can change to AHCI
mode to improve hard disk performance.
2.5 Module Bay Device removable module settings
Set to Disable, you can disable the removable module on the book,
usually your CD-ROM drive.
2.6 Flash Cache Module module set ready
Robson (Tubro Memory) technology is the use of large capacity
flash memory as a buffer to improve the overall performance of
disk performance and system, need to buy special Robson module
(Figure 2), can achieve ReadyBoost and ReadyDrive function. If
installed ready, will enable (Enalbed).
3.1 Brightness screen brightness adjustment (when using
batteries)
3.2 Brightness (AC) screen brightness adjustment (when using
power)
According to their own habits, here set two power supply mode,
the LCD screen default brightness.
4.1 Unlock Setup unlock BIOS
4.2 Admin Password manages password settings
4.3 System Password boot password settings
4.4 Interanl HDD PW hard disk password settings
Warning: remember to remember the password you typed before
entering the password class settings below.
Dell books password is divided into three kinds, management
password (Admin), boot password (System) and hard disk password
(Interanl HDD). If you set the admin password, change the BIOS
before you enter the admin password in Unlock Setup to unlock
the BIOS.
In the three password, the password authority is highest. When
you need to start the password and hard disk password, enter
the management password, you can pass;
When the password is cleared, both the boot password and the
hard disk password are cleared at the same time. Boot password,
by default, only in the boot, wake up, you need to verify. The
hard disk with the password can not be read on other computers.
And by default, the hard disk password needs to be verified as
long as the hard disk is powered on (for example, booting or
waking up).
Boot password and hard disk password, the role of different,
permissions equal, each other can not be replaced. Verify the
timing of the boot password and hard disk password, you can set
it in Password Bypass.
Proposed to set the management password, for the preservation
of confidential data on the hard disk, plus the hard disk
password, to prevent theft, resulting in data leakage. Boot
password settings as needed.
4.5 Password Change boot / hard disk password change
permissions
Do you need to verify the admin password before you change the
boot / hard disk password?. Instead of "Denied" for "need",
"Permitted" is not needed.
For security reasons, it is recommended to change to "Denied".
4.6 Password Bypass password free authentication time
The opportunity to verify the boot / hard disk password is not
verified. Bypass does not validate when you restart (Reboot
Bypass), Resume does not validate when you wake up, Off is not
validated when you restart and wake up (Reboot & Resume Bypass).
Instead of "Reboot & Resume Bypass", change your password a few
times.
4.7 Wireless Switch Change wireless device modify permissions
When you change your wireless settings, you do not need to
verify the admin password. Denied is the first to verify, and
Permitted is the direct modification without validation.
It's safer to change to Denied.
4.8, Wi-Fi, Catcher, Change, Wi-Fi, Catcher technology, modify
permissions
When you modify the Wi-Fi Catcher settings, you do not need to
verify the management password, Denied is the first to verify,
Permitted is not verified, Denied is more secure.
Wi-Fi Catcher is a wireless signal search technology developed
by Dell.
4.9 CPU, XD, Support, Cpu memory protection
Windows XP SP2 added a new function - security data execution
protection (Date Execution, Prevention, DEP, DEP) to monitor
the various procedures, prevent the virus from running memory
location protected harmful code. The CPU XD feature here is the
EDB (Execute, Disable, Bit, EDB) memory protection technology
developed by Intel for the purpose of matching Microsoft's DEP.
Proposed permission (Enabled).
4.10 Computrace stolen tracking service
Support Computrace notebook, after loading the Computrace
LoJack software, if the stolen laptop, the Computrace LoJack
software can automatically provide the books of the IP address
or telephone number to Absolute Software, a monitoring center,
this can help the police find the notes. Computrace LoJack
software can also automatically delete the contents of the hard
disk. Unfortunately, this service is currently being launched
only in the United states. Books sold in mainland China do not
support this service, all are Disable, can not be modified.
5.1 Multi Core Support multicore processor support
Since you spent money for dual core, why not allow (Enabled)
it? Unless you use a non mainstream system like Linux,
Compatibility issues exist for dual core processors. The BIOS
of the single core book does not have this option.
5.2 Dynamic Acceleration IDA dynamic acceleration support
Is IDA, for the new generation of Centrino four technology. For
a single thread, or a wide range of non parallel instruction
multi threading task, IDA technology can distribute tasks
better, only by a core processor, thereby improving performance,
and other core free to enter a dormant state, reduce processor
power consumption, extend the life time. When a new thread
enters the queue, the sleeping core starts working as needed.
Unless compatibility issues are allowed, (Enabled).
5.3, HDD, Acoustic, Mode, hard disk noise control
Is the hard drive Quiet or Performance?. If you have any
compatibility issues with your old hard drive, select bypass.
The noise and the speed really can not be reconciled? The author
measured the two modes of transmission speed is not comparable,
but there are obvious differences between the size of the noise,
so it is recommended to set for the quiet (Quiet).
5.4 SpeedSetp Enable SpeedSetp technology settings
Intel SpeedSetp technology can adjust the working frequency of
Cpu according to the load of Cpu, so as to achieve the purpose
of saving electricity. Not set for Enabled. Is it also called
mobile Cpu?
6.1 Power Management power management
6.2 Auto On Mode auto boot mode setting
6.3, Auto, On, Time, automatic boot time
Need books automatically boot, then set in Auto On Mode into
Day (Every), or Monday through Friday (Weekdays) automatically
boot, and in Auto On Time, set the boot time.
6.4, USB, Wake, Support, USB, wake-up support
Keep the data in memory, let the notebook into the low-power
waiting state, called standby. Let the standby status restore
work, called wake-up, Dell Book wake up method is to press the
power button.
If you are not convenient to press the power button and want
to use an external USB keyboard to wake up the book, please set
it here as Enabled. It should be noted that when the battery
is used, the USB device will not be powered in standby mode,
and the USB can be awakened only when the external power is
supplied.
7.1 Load Defaults restore BIOS factory defaults
If BIOS is out of tune, select Continue from here to restore
the factory defaults.
7.2 Service Tag view service encoding
The code needed to provide the Dell is the same as what System
Info saw.
8.1 Adapter Warnings power adapter power warning
Vostro 1400 this notebook has integrated graphics and graphics
card points, power IC card is 65W, the only significant books
need to use the 90W adapter, if you are alone and this power
plug in the 65W boot, the machine will give you a warning. The
question is: who is going to buy a power that does not work for
their own unique books? So set it to Off.
8.2 Fn, Key, Emulation, Fn key simulation
The external keyboard usually does not have the Fn key, allowing
the Scroll Lock to replace the function of the Fn. Sounds very
intimate to the user,
But with the USB keyboard, it can't be simulated under Windows
XP, only in a non ACPI like Dos system. The keyboard with the
PS/2 interface can be used under the XP, but where is the PS/2
interface of Vostro 1400? Set it to Off.
8.3 Fast Boot power on self test mode selection
There are many steps in the notebook power on self test. The
minimum mode (Minimal) can skip certain steps to speed up the
startup, and the full mode (Thorough) performs a full self check.
The proposal is set to minimal mode. When the hardware is
unstable, it is changed to full mode, and the automatic (Auto)
mode is not considered.
Minimum mode is strongly recommended, reducing startup time.
8.4 Keypad (Embedded) built in small keyboard settings
Set to By Num LK, then press the Num LK key, open the built-in
keypad, or set to Fn Key Only, then press Num LK key, so that
after the lights are lit, you also need to hold down the Fn key
to use the small keyboard.
For users who rarely use keypads, it is recommended as "Fn Key
Only"".
8.5 Numlock LED keypad light control
Turn on the keypad light automatically when you start. It's
recommended as "Off"".
8.6, USB, Emulation, USB, bootstrap simulation
If you want to boot with the USB floppy disk or the U disk, set
it to "Enabled", or "Off"".
9.1 Internal Bluetooth built-in Bluetooth switch
If you have a Bluetooth module, you can (Enable), and you want
to save some electricity and turn it off.
9.2 Internal Wi-Fi built-in wireless network card switch
Wireless network card switch. The suggestion is "Enable". Turn
off if you want to save electricity.
9.3 Internal Cellular wireless WAN switch
Take off the laptop battery and you'll see a SIM card slot, which
is the Cellular device, a wide area wireless Internet
technology. The Cellular device must be used in conjunction
with the WWAN (wireless WAN) card. Therefore, inserting a SIM
card alone does not allow wireless WAN connections. China does
not provide 3G band mobile access, and now does not begin to
sell WWAN. Therefore, the implementation of this function will
take time. At present, this service is proposed to be closed.
9.4 Wireless Switch wireless switch signal control
There is a wireless switch in front of the Vostro 1400 machine,
where the switch is set to control the radio signal type. Wi-Fi
is a wireless LAN signal, that is, 802.11a/b/g, BT are Bluetooth
signals, and Cell is wireless WAN signals. The proposal is set
as "All"".
9.5, Wi-Fi, Catcher, Wi-Fi, Catcher technology settings
When searching for wireless signals, whether to use Wi-Fi
Catcher technology, it is recommended to set to Enabled. If set
to "Reset, to, Basic, Mode", use the settings in the QuickSet
software.
If you use the Wi-Fi Catcher (the author is easy to cause death),
it is set to Off.
OK, the new version of Dell's BIOS is over here. Set up BIOS,
not only can prevent unauthorized use, improve the safety of
information; in BIOS, shut down non essential equipment, but
also reduce the power consumption of the equipment, extend the
life time.
2024年2月25日发(作者：鄞绮晴)
dell笔记本bios设置详解（Dell notebook BIOS settings detailed）
I. operation method
The new version of BIOS is based on Phoniex BIOS, compared with
other books on the same brand under the menu BIOS, Dell not only
joined the hardware diagnostic system, the interface is easy
to use, the level of detail on the text is also better. After
booting, when you appear on the top right corner of the screen
when prompted information, you can press the F2 button directly
into the BIOS; you can also press F12 to enter the boot device
selection menu, select the "BIOS SETUP" access.
BIOS interface as shown in Figure 1, the top display of the
book's model, the left is the function tree, the right side of
the current status and description text. The interface is the
same, and the operation direction is similar to the Windows
Explorer: move the cursor with the arrow keys up and down, use
the left and right arrow to expand / fold the sub item, press
enter to enter the setting, and then press enter to return.
After setting up, press the ESC key, select "Save/Exit", exit
for saving, and select "Discard/Exit" to exit without saving.
There is a small trick to press Alt+F to quickly restore factory
settings.
Two. Project definition
For each of the meanings of BIOS, see table 1:
This table is Vostro BIOS 1400, different hardware
configuration will lead to slightly different projects, such
as high-end Latitude book will have pointing rod, keyboard
light settings.
Three, each set item detailed explanation and establishment
suggestion
Below, the author carries on the detailed introduction to each
item, and embarks from the individual user, provides some set
suggestion. The Chinese meaning of the item on the screen will
be interpreted from left to right in the order of display.
1.1 System Info view system information
View the book model, current BIOS version, service number,
asset number, ownership number.
Individual users will only have service numbers, and large
numbers of machines purchased by large customers will have
asset numbers (Asset, Tag) and ownership numbers (Ownership,
Tag).
1.2 Processor Info view processor information
Look at the processor's type, number, current frequency,
minimum frequency, maximum frequency, cache size, and whether
it is dual core.
Intel mobile CPU in order to power considerations, there will
be a different frequency of work, note that the frequency change
here is only the design change value of CPU, allowing frequency
conversion in Performance to SpeedSetp Enable settings.
1.3 Memory Info view memory information
View the number of memory installed, the amount of memory
available, the memory, the frequency, and whether it is double
channel or memory type.
It is normal to use less memory than to install memory, and 32
bit Windows XP manages 2G memory at most.
1.4 Device Info view other device information
The primary hard disk capacity, detachable module, graphics
model, graphics BIOS version, memory, LCD screen type, optimum
resolution, sound card type, modem, wireless LAN equipment,
wireless network equipment, Bluetooth module, power adapter,
robson.
Removable modules usually display CD-ROM models.
1.5 Battery Info to see battery capacity
More intuitive battery capacity diagram.
1.6 Battery Health check battery health
When the battery is working, it is Normally.
One
7 Date/Time time and date settings
Needless to say, the amendment will take effect immediately.
1.8 Boot Sequence boot sequence settings
Support disk drive, hard disk, USB, CD-ROM drive, network five
boot methods.
Press space to disable a device boot, usually set HDD to the
first line, and when necessary start, press F12 and then
temporarily change.
2.1 Integrated NIC onboard integrated network card settings
You can set the network card to shutdown, allow, allow, and
support network boot.
Individual users do not need network guidance, and the advice
is set to allow (Enabled).
2.2, External, USB, Ports, USB port settings
Disable the USB port unless it is safe and secure to prevent
copying data from the U disk. Otherwise, set to allow (Enabled),
otherwise you so many USB devices plug in there?
2.3 Media Card and 1394 reader and 1394 interface
There are not many friends using tape Dv, and 1394 is not
necessary to open, but there are many friends with flash cards,
or Enabled.
2.4 SATA Operation hard disk SATA/AHCI mode setting
Windows XP does not support SATA hard disk, and SATA mode maps
SATA hard disk into IDE mode, so it doesn't need to install SATA
driver when loading XP. The AHCI model, in contrast to the SATA
model, requires the SATA driver to be installed when the XP is
loaded, while the AHCI mode is a prerequisite for the NCQ
(native command queue) function to turn on the hard disk.
Friends using XP, not installed before the SATA driver, do not
change to AHCI mode, otherwise the boot will be blue screen.
Vista supports AHCI, and friends with Vista can change to AHCI
mode to improve hard disk performance.
2.5 Module Bay Device removable module settings
Set to Disable, you can disable the removable module on the book,
usually your CD-ROM drive.
2.6 Flash Cache Module module set ready
Robson (Tubro Memory) technology is the use of large capacity
flash memory as a buffer to improve the overall performance of
disk performance and system, need to buy special Robson module
(Figure 2), can achieve ReadyBoost and ReadyDrive function. If
installed ready, will enable (Enalbed).
3.1 Brightness screen brightness adjustment (when using
batteries)
3.2 Brightness (AC) screen brightness adjustment (when using
power)
According to their own habits, here set two power supply mode,
the LCD screen default brightness.
4.1 Unlock Setup unlock BIOS
4.2 Admin Password manages password settings
4.3 System Password boot password settings
4.4 Interanl HDD PW hard disk password settings
Warning: remember to remember the password you typed before
entering the password class settings below.
Dell books password is divided into three kinds, management
password (Admin), boot password (System) and hard disk password
(Interanl HDD). If you set the admin password, change the BIOS
before you enter the admin password in Unlock Setup to unlock
the BIOS.
In the three password, the password authority is highest. When
you need to start the password and hard disk password, enter
the management password, you can pass;
When the password is cleared, both the boot password and the
hard disk password are cleared at the same time. Boot password,
by default, only in the boot, wake up, you need to verify. The
hard disk with the password can not be read on other computers.
And by default, the hard disk password needs to be verified as
long as the hard disk is powered on (for example, booting or
waking up).
Boot password and hard disk password, the role of different,
permissions equal, each other can not be replaced. Verify the
timing of the boot password and hard disk password, you can set
it in Password Bypass.
Proposed to set the management password, for the preservation
of confidential data on the hard disk, plus the hard disk
password, to prevent theft, resulting in data leakage. Boot
password settings as needed.
4.5 Password Change boot / hard disk password change
permissions
Do you need to verify the admin password before you change the
boot / hard disk password?. Instead of "Denied" for "need",
"Permitted" is not needed.
For security reasons, it is recommended to change to "Denied".
4.6 Password Bypass password free authentication time
The opportunity to verify the boot / hard disk password is not
verified. Bypass does not validate when you restart (Reboot
Bypass), Resume does not validate when you wake up, Off is not
validated when you restart and wake up (Reboot & Resume Bypass).
Instead of "Reboot & Resume Bypass", change your password a few
times.
4.7 Wireless Switch Change wireless device modify permissions
When you change your wireless settings, you do not need to
verify the admin password. Denied is the first to verify, and
Permitted is the direct modification without validation.
It's safer to change to Denied.
4.8, Wi-Fi, Catcher, Change, Wi-Fi, Catcher technology, modify
permissions
When you modify the Wi-Fi Catcher settings, you do not need to
verify the management password, Denied is the first to verify,
Permitted is not verified, Denied is more secure.
Wi-Fi Catcher is a wireless signal search technology developed
by Dell.
4.9 CPU, XD, Support, Cpu memory protection
Windows XP SP2 added a new function - security data execution
protection (Date Execution, Prevention, DEP, DEP) to monitor
the various procedures, prevent the virus from running memory
location protected harmful code. The CPU XD feature here is the
EDB (Execute, Disable, Bit, EDB) memory protection technology
developed by Intel for the purpose of matching Microsoft's DEP.
Proposed permission (Enabled).
4.10 Computrace stolen tracking service
Support Computrace notebook, after loading the Computrace
LoJack software, if the stolen laptop, the Computrace LoJack
software can automatically provide the books of the IP address
or telephone number to Absolute Software, a monitoring center,
this can help the police find the notes. Computrace LoJack
software can also automatically delete the contents of the hard
disk. Unfortunately, this service is currently being launched
only in the United states. Books sold in mainland China do not
support this service, all are Disable, can not be modified.
5.1 Multi Core Support multicore processor support
Since you spent money for dual core, why not allow (Enabled)
it? Unless you use a non mainstream system like Linux,
Compatibility issues exist for dual core processors. The BIOS
of the single core book does not have this option.
5.2 Dynamic Acceleration IDA dynamic acceleration support
Is IDA, for the new generation of Centrino four technology. For
a single thread, or a wide range of non parallel instruction
multi threading task, IDA technology can distribute tasks
better, only by a core processor, thereby improving performance,
and other core free to enter a dormant state, reduce processor
power consumption, extend the life time. When a new thread
enters the queue, the sleeping core starts working as needed.
Unless compatibility issues are allowed, (Enabled).
5.3, HDD, Acoustic, Mode, hard disk noise control
Is the hard drive Quiet or Performance?. If you have any
compatibility issues with your old hard drive, select bypass.
The noise and the speed really can not be reconciled? The author
measured the two modes of transmission speed is not comparable,
but there are obvious differences between the size of the noise,
so it is recommended to set for the quiet (Quiet).
5.4 SpeedSetp Enable SpeedSetp technology settings
Intel SpeedSetp technology can adjust the working frequency of
Cpu according to the load of Cpu, so as to achieve the purpose
of saving electricity. Not set for Enabled. Is it also called
mobile Cpu?
6.1 Power Management power management
6.2 Auto On Mode auto boot mode setting
6.3, Auto, On, Time, automatic boot time
Need books automatically boot, then set in Auto On Mode into
Day (Every), or Monday through Friday (Weekdays) automatically
boot, and in Auto On Time, set the boot time.
6.4, USB, Wake, Support, USB, wake-up support
Keep the data in memory, let the notebook into the low-power
waiting state, called standby. Let the standby status restore
work, called wake-up, Dell Book wake up method is to press the
power button.
If you are not convenient to press the power button and want
to use an external USB keyboard to wake up the book, please set
it here as Enabled. It should be noted that when the battery
is used, the USB device will not be powered in standby mode,
and the USB can be awakened only when the external power is
supplied.
7.1 Load Defaults restore BIOS factory defaults
If BIOS is out of tune, select Continue from here to restore
the factory defaults.
7.2 Service Tag view service encoding
The code needed to provide the Dell is the same as what System
Info saw.
8.1 Adapter Warnings power adapter power warning
Vostro 1400 this notebook has integrated graphics and graphics
card points, power IC card is 65W, the only significant books
need to use the 90W adapter, if you are alone and this power
plug in the 65W boot, the machine will give you a warning. The
question is: who is going to buy a power that does not work for
their own unique books? So set it to Off.
8.2 Fn, Key, Emulation, Fn key simulation
The external keyboard usually does not have the Fn key, allowing
the Scroll Lock to replace the function of the Fn. Sounds very
intimate to the user,
But with the USB keyboard, it can't be simulated under Windows
XP, only in a non ACPI like Dos system. The keyboard with the
PS/2 interface can be used under the XP, but where is the PS/2
interface of Vostro 1400? Set it to Off.
8.3 Fast Boot power on self test mode selection
There are many steps in the notebook power on self test. The
minimum mode (Minimal) can skip certain steps to speed up the
startup, and the full mode (Thorough) performs a full self check.
The proposal is set to minimal mode. When the hardware is
unstable, it is changed to full mode, and the automatic (Auto)
mode is not considered.
Minimum mode is strongly recommended, reducing startup time.
8.4 Keypad (Embedded) built in small keyboard settings
Set to By Num LK, then press the Num LK key, open the built-in
keypad, or set to Fn Key Only, then press Num LK key, so that
after the lights are lit, you also need to hold down the Fn key
to use the small keyboard.
For users who rarely use keypads, it is recommended as "Fn Key
Only"".
8.5 Numlock LED keypad light control
Turn on the keypad light automatically when you start. It's
recommended as "Off"".
8.6, USB, Emulation, USB, bootstrap simulation
If you want to boot with the USB floppy disk or the U disk, set
it to "Enabled", or "Off"".
9.1 Internal Bluetooth built-in Bluetooth switch
If you have a Bluetooth module, you can (Enable), and you want
to save some electricity and turn it off.
9.2 Internal Wi-Fi built-in wireless network card switch
Wireless network card switch. The suggestion is "Enable". Turn
off if you want to save electricity.
9.3 Internal Cellular wireless WAN switch
Take off the laptop battery and you'll see a SIM card slot, which
is the Cellular device, a wide area wireless Internet
technology. The Cellular device must be used in conjunction
with the WWAN (wireless WAN) card. Therefore, inserting a SIM
card alone does not allow wireless WAN connections. China does
not provide 3G band mobile access, and now does not begin to
sell WWAN. Therefore, the implementation of this function will
take time. At present, this service is proposed to be closed.
9.4 Wireless Switch wireless switch signal control
There is a wireless switch in front of the Vostro 1400 machine,
where the switch is set to control the radio signal type. Wi-Fi
is a wireless LAN signal, that is, 802.11a/b/g, BT are Bluetooth
signals, and Cell is wireless WAN signals. The proposal is set
as "All"".
9.5, Wi-Fi, Catcher, Wi-Fi, Catcher technology settings
When searching for wireless signals, whether to use Wi-Fi
Catcher technology, it is recommended to set to Enabled. If set
to "Reset, to, Basic, Mode", use the settings in the QuickSet
software.
If you use the Wi-Fi Catcher (the author is easy to cause death),
it is set to Off.
OK, the new version of Dell's BIOS is over here. Set up BIOS,
not only can prevent unauthorized use, improve the safety of
information; in BIOS, shut down non essential equipment, but
also reduce the power consumption of the equipment, extend the
life time.