Deleting Or Changing An Existing System Setup Password; Clearing Cmos Settings; Clearing Bios (System Setup) And System Passwords - Dell Inspiron 15-5578 Service Manual

Table of Contents

Advertisement

1. In the System BIOS or System Setup screen, select Security and press Enter.
The Security screen is displayed.
2. Select System/Admin Password and create a password in the Enter the new password field.
Use the following guidelines to assign the system password:
● A password can have up to 32 characters.
● The password can contain the numbers 0 through 9.
● Only lower case letters are valid, upper case letters are not allowed.
● Only the following special characters are allowed: space, ("), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).
3. Type the system password that you entered earlier in the Confirm new password field and click OK.
4. Press Esc and a message prompts you to save the changes.
5. Press Y to save the changes.
The computer reboots.

Deleting or changing an existing system setup password

Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing
System and Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is
Locked.
To enter the System Setup, press F2 immediately after a power-on or reboot.
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, alter or delete the existing system password and press Enter or Tab.
4. Select Setup Password, alter or delete the existing setup password and press Enter or Tab.
NOTE:
If you change the System and/or Setup password, re enter the new password when prompted. If you delete the
System and 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

CAUTION:
Clearing CMOS settings resets the BIOS settings on your computer.
1. Remove the
base
cover.
2. Remove the battery.
3. Disconnect the
coin-cell
4. Wait for one minute.
5. Connect the
coin-cell
6. Replace the battery.
7. Replace the
base
cover.

Clearing BIOS (System Setup) and System passwords

Contact Dell technical support to clear the forgotten passwords. For more information, see www.dell.com/contactdell.
battery.
battery.
System setup
89

Advertisement

Table of Contents
loading

This manual is also suitable for:

P58f

Table of Contents