Steps
1. In the
System BIOS
or
System Setup
screen, select
System Security
and press Enter.
The
System Security
screen is displayed.
2. In the
System Security
screen, verify that
Password Status
is
Unlocked
.
3. Select
System Password
, update, or delete the existing system password, and press Enter or Tab.
4. Select
Setup Password
, update, or delete the existing setup password, and press Enter or Tab.
NOTE:
If you change the System and/or Setup password, reenter the new password when prompted. If you delete the
System and/or Setup password, confirm the deletion when prompted.
5. Press Esc and a message prompts you to save the changes.
6. Press Y to save the changes and exit from System Setup.
The computer restarts.
Clearing CMOS settings
About this task
CAUTION:
Clearing CMOS settings will reset the BIOS settings on your computer.
Steps
1. Turn off your computer, while keeping the AC adapter plugged in.
2. Press and hold the power button for around 25 to 40 seconds until the power LED shows blinking white light.
When you release the power button, the CMOS settings are cleared and the computer restarts. A dialog box is displayed,
with options to run
BIOS-Setup
and
Diagnostics
.
Clearing BIOS (System Setup) and System passwords
About this task
To clear the system or BIOS passwords, contact Dell technical support as described at
.
NOTE:
For information on how to reset Windows or application passwords, refer to the documentation accompanying
Windows or your application.
Updating the BIOS
Updating the BIOS in Windows
Steps
.
2. Click
Product support
. In the
Search support
box, enter the Service Tag of your computer, and then click
Search
.
NOTE:
If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You
can also use the product ID or manually browse for your computer model.
3. Click
Drivers & Downloads
. Expand
Find drivers
.
4. Select the operating system installed on your computer.
5. In the
Category
drop-down list, select
BIOS
.
6. Select the latest version of BIOS, and click
Download
to download the BIOS file for your computer.
7. After the download is complete, browse the folder where you saved the BIOS update file.
8. Double-click the BIOS update file icon and follow the on-screen instructions.
For more information, see knowledge base article
.
System setup
81
Содержание Inspiron 24 5410 All-in-One
Страница 51: ...Removing and installing components 51 ...
Страница 54: ...54 Removing and installing components ...