Jumper Settings; System And Setup Password - Dell Precision Tower 3420 Owner's Manual

NOTE: If you cannot find your Service Tag, click Detect My Product. Proceed with the
instructions on screen.
4. If you are unable to locate or find the Service Tag, click the Product Category of your computer.
5. Choose the Product Type from the list.
6. Select your computer model and the Product Support page of your computer appears.
7. Click Get drivers and click View All Drivers.
The Drivers and Downloads page opens.
8. On the Drivers and Downloads screen, under the Operating System drop-down list, select BIOS.
9. Identify the latest BIOS file and click Download File.
You can also analyze which drivers need an update. To do this for your product, click Analyze
System for Updates and follow the instructions on the screen.
10. Select your preferred download method in the Please select your download method below window,
click Download File.
The File Download window appears.
11. Click Save to save the file on your computer.
12. Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.

Jumper Settings

To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated on
the system board.
Table 17. Jumper Settings
Jumper
PSWD
RTCRST
SERVICE_MODE

System and Setup Password

You can create a system password and a setup password to secure your computer.
Password Type Description
System password Password that you must enter to log on to your system.
Setup password Password that you must enter to access and make changes to the BIOS settings of
your computer.
36
Setting
Default
Default
Default
Description
Short: Default
Open: Clear Password
Open: Default
Short: Real-time clock reset. Can be used for
troubleshooting
Open: Default
Short: ME disable