Dell Inspiron One 19 (Mid 2009) - Manual (Page 61)

3. Press the up- and down-arrow keys to move through the list of devices.
4. Press plus (+) or minus (–) to change the boot priority of the device.
Clearing Forgotten Passwords and CMOS Settings
1. Follow the procedures in Before You Begin .
2. Remove the system-board shield (see Removing the System-Board Shield ).
3. Locate the 3-pin CMOS connector (CMOS1) on the system board (see System Board Components ).
4. Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.
5. Wait for approximately five seconds to clear the CMOS setting.
6. Remove the 2-pin jumper plug from pins 1 and 2 and replace it on pins 2 and 3.
7. Replace the system-board shield (see Replacing the System-Board Shield ).
8. Connect your computer and devices to electrical outlets, and turn them on.
Flashing the BIOS
1. Turn on the computer.
WARNING: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.
WARNING: The computer must be disconnected from the electrical outlet to clear the CMOS setting.
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™
is not covered by your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on your computer).
CAUTION: Clearing the CMOS settings will also clear the password.
NOTE: The computer must be disconnected from the electrical outlet to clear the CMOS setting.
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may
result in damage to the computer.