Clearing cmos, Disabling a forgotten password – Dell PowerVault 715N (Rackmount NAS Appliance) User Manual
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9. When the Send File dialog appears, click Browse, and then select the downloaded BIOS file.
10. Select XModem on the Protocol menu, and then click Send.
The client system sends the file to the NAS system and automatically updates the BIOS. The NAS system beeps four
times and then reboots.
Disabling a Forgotten Password
If you forget your supervisor password, you cannot operate your system or change settings in the BIOS Setup utility until
a trained service technician opens the system chassis, changes the password jumper setting to disable the password, and
erases the existing password.
To disable the password, perform the following steps.
CAUTION:
See "Protecting Against Electrostatic Discharge" in the safety instructions of your System
Information document.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the cover, and then remove the battery.
See your Installation and Troubleshooting Guide for more information about removing the battery.
3. Remove the jumper plug from jumpers 1-2, move it to jumpers 2-3, and leave the jumper plug on jumpers 2-3 for
at least 5 seconds.
The jumpers are located next to the battery, with jumper 1 the closest to the battery and jumper 3 the farthest
from the battery.
4. Move the jumper plug back to jumpers 1-2.
5. Replace the battery and system cover.
6. Reconnect the system to an electrical outlet and to the client system.
7. Turn on the system .
The system beeps twice to indicate that the password has been cleared.
8. If you want, enter a new supervisor password.
For information about assigning a password, see "
."
Clearing CMOS
Clearing the CMOS memory allows you to clear a forgotten password or re-enable console redirection. If the
administrator forgets the supervisor password, you cannot operate the system or change settings in the BIOS Setup utility
until you change the password jumper setting to disable the passwords and erase the existing passwords.
To clear the CMOS, perform the following steps.
CAUTION:
Read the safety instructions in your System Information document.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the
3.
4. Locate the
password jumper (labeled "JP1") on the system board
Jumper JP1 is located beside the system battery.
5. Remove the JP1 jumper plug from pins 1-2, move it to jumpers 2-3, and leave the jumper plug on jumpers 2-3 for
at least 5 seconds.