Clearing Cmos Settings - Dell Precision 490 Desktop User Manual

RTCRST
The real-time clock is being reset.
jumpered unjumpered
2. Remove the computer cover (see
3. Locate the 2-pin password jumper (PSWD) on the system board, and remove the jumper plug; set the plug aside. For help locating the jumper, see
System Board Components.
NOTE: When you receive your computer, the password jumper plug is on the password jumper.
4. Replace the computer cover (see
5. Connect your computer and monitor to electrical outlets, and turn them on.
6. After the Microsoft® Windows® desktop appears on your computer, shut down your computer (see
7. Turn off the monitor and disconnect it from the electrical outlet.
8. Disconnect the computer power cable from the electrical outlet, and press the power button to ground the system board.
9. Remove the computer cover (see
10. Locate the 2-pin password jumper on the system board and attach the jumper plug to its pins to re-enable the password feature. For more information
see System Board Components.
11. Replace the computer cover (see
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
12. Connect your computer and devices to electrical outlets, and turn them on.
NOTE: This procedure enables the password feature. When you enter the system setup program (see
password options appear as Not Set—meaning that the password feature is enabled but no password is assigned.
13. Assign a new system and/or setup password. See
Clearing CMOS Settings
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
1. Follow the procedures in Before You
2. Remove the computer cover (see
3. Reset the current CMOS settings:
a. Locate the password and CMOS jumpers (RTCRST) on the system board (see
b. Remove the password jumper plug from its pins.
c. Place the password jumper plug on the RTCRST pins and wait approximately 5 seconds.
d. Remove the jumper plug from the RTCRST pins and place it back upon the password pins.
4. Replace the computer cover (see
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
5. Connect your computer and devices to electrical outlets, and turn them on.
Removing the Computer Cover).
Replacing the Computer Cover).
Removing the Computer Cover).
Replacing the Computer Cover).
Password Protection.
Begin.
Removing the Computer Cover).
Replacing the Computer Cover).
Turning Off Your Computer).
System Setup), both system and administrator
System Board Components.