Lenovo H520s Lenovo H520s Hardware Maintenance Manual - Page 21

Enabling or disabling a device - drivers

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To set a Power-On Password, do the following: 1. Start the Lenovo BIOS Setup Utility program (See "Starting the Lenovo BIOS Setup Utility program" on page 13.) 2. From the Security menu, select Set Power-On Password and press the Enter key. 3. The password dialog box will be displayed. Type the password, and press the Enter key. 4. Re-type the password to confirm, if you type the password correctly, the password will be installed. To change a Power-On Password, do the following: 1. Start the Lenovo BIOS Setup Utility program (See "Starting the Lenovo BIOS Setup Utility program" on page 13.) 2. From the Security menu, select Set Power-On Password and press the Enter key. 3. The password dialog box will be displayed. Type the current password then press the Enter key. 4. Type the new password, then press the Enter key. Re-type the password to confirm the new password, if you type the new password correctly, the new password will be installed. A setup notice will display that changes have been saved. To delete a previously set Power-On Password, do the following : 1. From the Security menu, select Set Power-On Password and press the Enter key. 2. The password dialog box will be displayed. Type the current password and press the Enter key. 3. To delete the Power-On Password, Enter blank fields for each new password line item. A setup notice will display that changes have been saved. 4. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option. 5. Select Save changes and Exit from the menu. Enabling or disabling a device The Devices options is used to enable or disable user access to the following devices: Serial Port Setup Select this option to enable or disable Serial Port (com). USB Functions Select whether to enable or disable USB (Universal Serial Bus) functions. If it is disabled, the USB keyboard and/or USB mouse may be not able to be used without device driver support. ATA Drive Setup Select IDE, ACHI mode or disable SATA controller. Device driver support is required for ACHI mode. Depending on how the hard disk image was installed, changing this setting may prevent the system from booting. Video Setup To configure video related functions. This option allows you to configure system's initiate graphic adapter from either IGD (Integrated Graphics Device) or PEG (PCI Express Graphics). Keep on the IGD enabled based on the setup options. Chapter 5. Using the Setup Utility 15

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To set a Power-On Password, do the following:
1. Start the Lenovo BIOS Setup Utility program (See ”Starting the Lenovo BIOS Setup Utility program” on
page 13.)
2. From the
Security
menu, select
Set Power-On Password
and press the
Enter
key.
3. The password dialog box will be displayed. Type the password, and press the
Enter
key.
4. Re-type the password to confirm, if you type the password correctly, the password will be installed.
To change a Power-On Password, do the following:
1. Start the Lenovo BIOS Setup Utility program (See ”Starting the Lenovo BIOS Setup Utility program” on
page 13.)
2. From the
Security
menu, select
Set Power-On Password
and press the
Enter
key.
3. The password dialog box will be displayed. Type the current password then press the
Enter
key.
4. Type the new password, then press the
Enter
key. Re-type the password to confirm the new password,
if you type the new password correctly, the new password will be installed. A setup notice will display
that changes have been saved.
To delete a previously set Power-On Password, do the following :
1. From the
Security
menu, select
Set Power-On Password
and press the
Enter
key.
2. The password dialog box will be displayed. Type the current password and press the
Enter
key.
3. To delete the
Power-On Password
,
Enter
blank fields for each new password line item. A setup
notice will display that changes have been saved.
4. Return to the Lenovo BIOS Setup Utility program menu and select the
Exit
option.
5. Select
Save changes and Exit
from the menu.
Enabling or disabling a device
The
Devices
options is used to enable or disable user access to the following devices:
Serial Port Setup
Select this option to enable or disable
Serial Port
(com).
USB Functions
Select whether to enable or disable
USB
(Universal Serial
Bus) functions. If it is disabled, the
USB
keyboard and/or
USB
mouse may be not able to be used without device
driver support.
ATA Drive Setup
Select IDE, ACHI mode or disable SATA controller. Device
driver support is required for ACHI mode. Depending on
how the hard disk image was installed, changing this
setting may prevent the system from booting.
Video Setup
To configure video related functions. This option allows
you to configure system's initiate graphic adapter from
either IGD (Integrated Graphics Device) or PEG (PCI
Express Graphics). Keep on the IGD enabled based on
the setup options.
Chapter 5
.
Using the Setup Utility
15