Dell Alienware Area-51 R4 Service Manual - Page 124

Deleting or changing an existing system and or setup password, Clearing Forgotten Passwords

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Deleting or changing an existing system and or setup password Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or 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 promoted. If you delete the System and/or Setup password, confirm the deletion when promoted. 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 reboots. Clearing Forgotten Passwords NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. 1. Lay the chassis on the left side. 2. Remove the stability foot 3. Remove the left and right side-panels. See "Removing the side panels". 4. Locate the password reset jumper (PASSWORD_CLR1) on the system board. See "system-board components". 5. Remove the jumper plug from pins 2 and 3 and fix it on pins 1 and 2. 6. Wait for approximately five seconds to clear the password setting. 7. Remove the jumper plug from pins 1 and 2 and replace it on pins 2 and 3. 1. pin 1 3. pin 3 2. pin 2 4. jumper plug 8. Replace the left and right side panels. See "Replacing the side panels". 9. Replace the stability foot. Clearing CMOS Settings NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: The computer must be disconnected from the electrical outlet to clear the CMOS setting. 1. Lay the system on the right side. 2. Remove the stability foot 124

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Deleting or changing an existing system and or setup password
Ensure that the
Password Status
is Unlocked (in the System Setup) before attempting to delete or change the existing System
and/or 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 promoted. If you delete the
System and/or Setup password, confirm the deletion when promoted.
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 reboots.
Clearing Forgotten Passwords
NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the
steps in
Before working inside your computer
. After working inside your computer, follow the instructions in
After working
inside your computer
. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/
regulatory_compliance
.
1.
Lay the chassis on the left side.
2.
Remove the
stability foot
3.
Remove the left and right side-panels. See "
Removing the side panels
”.
4.
Locate the password reset jumper (PASSWORD_CLR1) on the system board. See “
system-board components
”.
5.
Remove the jumper plug from pins 2 and 3 and fix it on pins 1 and 2.
6.
Wait for approximately five seconds to clear the password setting.
7.
Remove the jumper plug from pins 1 and 2 and replace it on pins 2 and 3.
1.
pin 1
2.
pin 2
3.
pin 3
4.
jumper plug
8.
Replace the left and right side panels. See "
Replacing the side panels
”.
9.
Replace the
stability foot
.
Clearing CMOS Settings
NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the
steps in
Before working inside your computer
. After working inside your computer, follow the instructions in
After working
inside your computer
. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/
regulatory_compliance
.
NOTE: The computer must be disconnected from the electrical outlet to clear the CMOS setting.
1.
Lay the system on the right side.
2.
Remove the
stability foot
124